Application of Simple Numerical Simulation of Welding Distortion Using Thermal Shrinkage Technique to Multi-layer Welded Joint

Hiroki MURAKAMI, Hikaru YAMAMOTO, Shigetaka OKANO, Masahito MOCHIZUKI

Quarterly Journal of the Japan Welding Society　Vol. 41　No. 2　p. 11s-15s　2023　Research paper (scientific journal)

Simplified Numerical Simulation for Weld Distortion Using Thermal Shrinkage Technique

Hiroki MURAKAMI, Masahito MOCHIZUKI

JOURNAL OF THE JAPAN WELDING SOCIETY　Vol. 91　No. 8　p. 563-566　2022　Research paper (scientific journal)

Improvement of Applicability of Thermal Shrinkage Technique by Setting Shrinkage Zone Based on Theoretical Solution of Weld Heat Conduction-Application to the Study on Stacking Sequence of Wire Arc Additive Manufacturing Structures for Reducing Residual Stress and Weld Distortion-

MURAKAMI Hiroki, OKANO Shigetaka, MATSUDA Jumpei, MOCHIZUKI Masahito, UYAMA Kenta, TAKIGAWA Shunsuke, HAYABUSA Keisuke, GO Tetsu

Preprints of the National Meeting of JWS　Vol. 2022f　p. 234-235　2022

Effect of Welding Conditions on Residual Stress Distributions in Multi-Layer Welded Pipe Joints

MURAKAMI Hiroki, Okano Shigetaka, KATAYAMA Kouichi, MOCHIZUKI Masahito

Preprints of the National Meeting of JWS　Vol. 2022f　p. 232-233　2022

An assessment of welding distortion analysis using thermal shrinkage technique for a construction machinery structure

MURAKAMI Hiroki, YAMAMOTO Hikaru, MIYAZAKI Katsumasa, OKANO Shigetaka, MOCHIZUKI Masahito

Transactions of the JSME (in Japanese)　Vol. 88　No. 906　p. 21-00301-21-00301　2022

Parameter Optimization of Thermal Shrinkage Technique for Simple Numerical Simulation of Welding Angular Distortion

Murakami Hiroki, Miyazaki Katsumasa, Honnami Kenji, Okano Shigetaka, Mochizuki Masahito

ISIJ International　Vol. 61　No. 7　p. 2143-2149　2021/07/15

Quantitative evaluation of augmented strain at the weld metal during the Trans-Varestraint test

Shotaro Yamashita, Shigetaka Okano, Masahito Mochizuki, Kazuyoshi Saida

Welding in the World　2021/06/23　Research paper (scientific journal)

Measurement of through-thickness residual stress in thick-section weldment by advanced deep hole drilling technique

Masahito Mochizuki, Shigetaka Okano, Houichi Kitano

Zairyo/Journal of the Society of Materials Science, Japan　Vol. 70　No. 4　p. 315-322　2021/04/15　Research paper (scientific journal)

Numerical Simulation on Effect of Microstructure on Hydrogen-induced Cracking Behavior in Duplex Stainless Steel Weld Metal

Gen Ogita, Koki Matsumoto, Masahito Mochizuki, Yoshiki Mikami, Kazuhiro Ito

ISIJ International　Vol. 61　No. 4　p. 1236-1244　2021/04/15　Research paper (scientific journal)

Long Term Stability Evaluation of Stress Improvement Effect on Ni-Based Alloy Welds by Various Residual Stress Improvement Methods

Li Na Yu, Kazuyoshi Saida, Masahito Mochizuki, Kazutoshi Nishimoto, Naoki Chigusa

Materials Science Forum　Vol. 1016　p. 819-825　2021/01/05　Research paper (scientific journal)

Assessment of residual stress for thick butt-welded plate of a reactor pressure vessel steel

Yoosung Ha, Shigetaka Okano, Hisashi Takamizawa, Jinya Katsuyama, Masahito Mochizuki

American Society of Mechanical Engineers, Pressure Vessels and Piping Division (Publication) PVP　Vol. 4　2021　Research paper (international conference proceedings)

Evaluation of hydrogen-induced cracking behavior in duplex stainless steel by numerical simulation of stress and diffusible hydrogen distribution at the microstructural scale

Ogita Gen, Matsumoto Koki, Mochizuki Masahito, Mikami Yoshiki, Ito Kazuhiro

ISIJ International　Vol. 61　No. 4　p. 1135-1142　2021　Research paper (scientific journal)

Residual stress analysis of dissimilar weld joint between cast iron pipe and steel flange

Tomohiro Murata, Shigetaka Okano, Shimpei Tsutsumi, Kenji Sawada, Koji Nakamoto, Masahito Mochizuki

Yosetsu Gakkai Ronbunshu/Quarterly Journal of the Japan Welding Society　Vol. 38　No. 2　p. 144-148　2021　Research paper (scientific journal)

Application of MIRS Method for Residual Stress Evaluation of WAAM

Takuya NAGAI, Takahito NAKAMURA, Koji MURAKAMI, Junpei MATSUDA, Shigetaka OKANO, Masahito MOCHIZUKI

The Proceedings of the Materials and Mechanics Conference　Vol. 2021　p. OS1608-OS1608　2021　Research paper (scientific journal)

Effect of welding conditions on stress–strain curves at welds through ball indentation techniques

Shigetaka OKANO, Tsubasa DANJO, Masahito MOCHIZUKI

The Proceedings of the Materials and Mechanics Conference　Vol. 2021　p. OS1611-OS1611　2021　Research paper (scientific journal)

Development of welding simulation technology using general-purpose finite element analysis code-Effects of various analysis conditions on the instantaneous heat source model-

HAYABUSA Keisuke, Okano Shigetaka, MOCHIZUKI Masahito, UYAMA Kenta, TAKIGAWA Syunsuke, GO Tetsu

The Proceedings of the Materials and Mechanics Conference　Vol. 2021　2021

Simple Simulation Technique with Thermal Shrinkage Method for Wire Arc Additive Manufacturing Process-Comparison with Coupled Analysis among Shape, Residual Stress and Deformation-

MATSUDA Jumpei, OKANO Shigetaka, MOCHIZUKI Masahito, UYAMA Kenta, TAKIGAWA Shunsuke, HAYABUSA Keisuke, GO Tetsu

Preprints of the National Meeting of JWS　Vol. 2021f　p. 236-237　2021

Application of Simple Numerical Simulation of Welding Distortion by Thermal Shrinkage Technique to the Construction Machinery Structure

MURAKAMI Hiroki, YAMAMOTO Hikaru, MIYAZAKI Katsumasa, OKANO Shigetaka, MOCHIZUKI Masahito

The Proceedings of the Materials and Mechanics Conference　Vol. 2021　2021

Numerical simulation on effect of microstructure on hydrogen-induced cracking behavior in duplex stainless steel weld metal

Gen Ogita, Koki Matsumoto, Masahito Mochizuki, Yoshiki Mikami, Kazuhiro Ito

Tetsu-To-Hagane/Journal of the Iron and Steel Institute of Japan　Vol. 106　No. 4　p. 224-234　2020/04　Research paper (scientific journal)

Evaluation of hydrogen-induced cracking behavior in duplex stainless steel by numerical simulation of stress and diffusible hydrogen distribution at the microstructural scale

Gen Ogita, Koki Matsumoto, Masahito Mochizuki, Yoshiki Mikami, Kazuhiro Ito

Tetsu-To-Hagane/Journal of the Iron and Steel Institute of Japan　Vol. 106　No. 4　p. 214-223　2020/04　Research paper (scientific journal)

Application of Weld Distortion Analysis Based on Thermal Shrinkage Technique to Buttering Welding of Cylindrical Structure

MURAKAMI Hiroki, TERASAKI Takeshi, MIYAZAKI Katsumasa, MAEDA Yoshihisa, OKANO Shigetaka, MOCHIZUKI Masahito

Journal of High Pressure Institute of Japan　Vol. 58　No. 2　p. 93-100　2020/03　Research paper (scientific journal)

Numerical simulation of microscopic residual stress evolution in polycrystalline aggregate subjected to weld thermal cycle

Y. MIkami, W. Sadakane, M. Mochizuki

Welding in the World　Vol. 64　p. 105-114　2019/11/15　Research paper (scientific journal)

Hydrogen diffusion simulation model considering thermal and stress changes in spot welds

KAWABE Nao, MATSUDA Hiroshi, OKITA Yasuaki, IKEDA Rinsei, MIKAMI Yoshiki, MOCHIZUKI Masahito

QUARTERLY JOURNAL OF THE JAPAN WELDING SOCIETY　Vol. 37　No. 3　p. 125-132　2019/08　Research paper (scientific journal)

Application of Instrumented Spherical Indentation Technique to Estimate Mechanical Properties of Steels used in Gas Pipelines

TAKEUCHI Shuhei, OKANO Shigetaka, IMAI Yasuhito, MOCHIZUKI Masahito

Journal of High Pressure Institute of Japan　Vol. 57　No. 4　p. 182-190　2019/07

Accuracy Validation of Measurement of Through-Thickness Residual Stress in Multi-Pass Welded Joints of Very Thick Plate by Deep Hole Drilling Techniques

KAWAI Shinji, OKANO Shigetaka, MURATA Tomohiro, MOCHIZUKI Masahito, NAGAI Takuya

Journal of High Pressure Institute of Japan　Vol. 57　No. 3　p. 162-170　2019/05

Lab X-ray In-situ Measurement of Relaxation Behavior of Compressive Residual Stress within Mechanical Surface Modified Layer under High Temperature Environments

OKANO Shigetaka, HASHIMOTO Tadafumi, TANIGUCHI Yuu, MOCHIZUKI Masahito

Journal of The Japanese Society for Non-Destructive Inspection　Vol. 68　No. 5　p. 242-247　2019/05

Accuracy Validation of Measurement of Transient Thermal Stress at Steel Welds by Synchrotron X-ray Diffraction Techniques

OKANO Shigetaka, TSUJI Akihiro, ZHANG Shuoyuan, HASHIMOTO Tadafumi, SHOUBU Takahisa, MOCHIZUKI Masahito

Journal of the Society of Materials Science, Japan　Vol. 68　No. 4　p. 325-331　2019/04　Research paper (scientific journal)

Evaluation of Thermal Ageing of Surface-modified Layer by X-ray Diffraction Techniques

OKANO Shigetaka, HASHIMOTO Tadafumi, TANIGUCHI Yuu, MOCHIZUKI Masahito

Journal of the Society of Materials Science, Japan　Vol. 68　No. 4　p. 338-345　2019/04　Research paper (scientific journal)

Applicability Evaluation of X-ray Stress Measurement at Weld Metal of Austenitic Stainless Steel based on Dependence of Crystal Grain Coarsening on Welding Conditions

OKANO Shigetaka, TOKUMARU Hiroki, MOCHIZUKI Masahito

Journal of the Society of Materials Science, Japan　Vol. 68　No. 4　p. 318-324　2019/04　Research paper (scientific journal)

Hydrogen diffusion simulation model considering thermal and stress changes in sport welds.

Nao Kawabe, Hiroshi Matsuda, Yasuaki Okita, Rinsei Ikeda, Yoshiki Mikami, Masahito Mochizuki

Welding International　Vol. 33　No. 4-6　p. 135-149　2019　Research paper (scientific journal)

深穴穿孔法による鋼構造柱梁接合部の準破壊的残留応力計測

村田友宏, 岡野成威, 河合真二, 望月正人

鋼構造年次論文報告集　Vol. 26　p. 440-447　2018/11

圧子押込み法による経年橋梁部材の機械的特性推定に関する検討

竹内周平, 岡野成威, 廣畑幹人, 望月正人

鋼構造年次論文報告集　Vol. 26　p. 341-348　2018/11

Suggestion of welding procedure for compressive residual stress induction by using low transformation temperature welding materials

Junji Yamamoto, Kazuo Hiraoka, Masahito Mochizuki

Welding International　Vol. 32　No. 7　p. 497-504　2018/07/03　Research paper (scientific journal)

Coupling computation between weld mechanics and arc plasma process for residual stress analysis

Shigetaka Okano, Hitoshi Tsuji, Ryohei Ihara, Masahito Mochizuki

Materials Performance and Characterization　Vol. 7　No. 4　p. 559-573　2018/06/12　Research paper (scientific journal)

Influence of thickness of flange plate on the reduction of angular distortion by welding with trailing reverse-side flame line

Kotani Yuki, Okano Shigetaka, Tsuyama Tadahisa, Mochizuki Masahito

Welding International　Vol. 32　No. 5　p. 345-352　2018/05/04　Research paper (scientific journal)

A simplified methodology for estimating residual stresses in powder-bed electron beam additive manufacturing

Satoshi Tadano, Shigetaka Okano, Takehisa Hino, Haruki Ohnishi, Masahito Mochizuki, Yujiro Nakatani

Materials Transactions　Vol. 59　No. 3　p. 420-424　2018/03　Research paper (scientific journal)

Effect of welding process conditions on angular distortion induced by bead-on-plate welding

Masahito Mochizuki, Shigetaka Okano

ISIJ International　Vol. 58　No. 1　p. 153-158　2018/01　Research paper (scientific journal)

An estimation of factors influencing residual stress characteristics of fillet welded lap joints

Takuya Nagai, Ryu Kasai, Reiichi Suzuki, Masahito Mochizuki, Tetsuo Suga

Welding International　Vol. 31　No. 12　p. 920-928　2017/12/02　Research paper (scientific journal)

Numerical simulation of residual stress modification by reverse bending of notched fracture toughness test specimens of multipass welds

Yoshiki Mikami, Tomoya Kawabata, Tetsuya Tagawa, Houichi Kitano, Akira Kiuchi, Yoichi Kayamori, Sohei Kanna, Tsuyoshi Sakurai, Yasuhito Imai, Mitsuru Ohata, Masahito Mochizuki, Fumiyoshi Minami, Shuji Aihara, Yukito Hagihara

Theoretical and Applied Fracture Mechanics　Vol. 92　p. 214-222　2017/12　Research paper (scientific journal)

Neural network-based HAZ hardness prediction system for multi-layer welding extended its application to various steels

YU Lina, SAIDA Kazuyoshi, MOCHIZUKI Masato, NISHIMOTO Kazutoshi, HIRANO Shinro, CHIGUSA Naoki

QUARTERLY JOURNAL OF THE JAPAN WELDING SOCIETY　Vol. 35　No. 4　p. 179-193　2017/11

X-ray Evaluation of Residual Stress Distributions within Surface Machined Layer generated by Surface Machining and Sequential Welding

TANIGUCHI Yuu, OKANO Shigetaka, MOCHIZUKI Masahito

Journal of the Society of Materials Science, Japan　Vol. 66　No. 7　p. 502-507　2017/07　Research paper (scientific journal)

Comparative study on internal residual stresses in electron beam welds

Takuya Nagai, Shinji Kawai, Masatoshi Shindo, Shigetaka Okano, Masahito Mochizuki, Tetsuo Suga

ISIJ International　Vol. 57　No. 6　p. 1072-1079　2017/06　Research paper (scientific journal)

Engineering model of metal active gas welding process for efficient distortion analysis

Shigetaka Okano, Masahito Mochizuki

ISIJ International　Vol. 57　No. 3　p. 511-516　2017/05　Research paper (scientific journal)

Application of neural network-based hardness prediction method to HAZ of A533B steel produced by laser temper bead welding

Lina Yu, Kazuyoshi Saida, Shinro Hirano, Naoki Chigusa, Masahito Mochizuki, Kazutoshi Nishimoto

Welding in the World　Vol. 61　No. 3　p. 483-498　2017/05/01　Research paper (scientific journal)

Transient distortion behavior during TIG welding of thin steel plate

Shigetaka Okano, Masahito Mochizuki

Journal of Materials Processing Technology　Vol. 241　p. 103-111　2017/03/01　Research paper (scientific journal)

Numerical simulation of relationship between member dimension and weld-induced stress in plate-fin type heat exchanger

Shunta Yamagishi, Yoshiki Mikami, Kenji Otani, Norihiro Hisada, Shigeru Aoki, Masahito Mochizuki

Yosetsu Gakkai Ronbunshu/Quarterly Journal of the Japan Welding Society　Vol. 35　No. 1　p. 71S-74S　2017/02　Research paper (scientific journal)

Numerical simulation of hydrogen diffusion and accumulation behavior under residual stress distribution in resistance spot welds

Takeharu Kizaki, Yoshiki Mikami, Nao Kawabe, Hiroshi Matsuda, Rinsei Ikeda, Masahito Mochizuki

Yosetsu Gakkai Ronbunshu/Quarterly Journal of the Japan Welding Society　Vol. 35　No. 1　p. 108S-111S　2017/02　Research paper (scientific journal)

Modeling of hydrogen diffusion behavior considering the microstructure of duplex stainless steel weld metal

Yuhei Shibamoto, Yoshiki Mikami, Masahito Mochizuki

Yosetsu Gakkai Ronbunshu/Quarterly Journal of the Japan Welding Society　Vol. 35　No. 1　p. 23S-27S　2017/02　Research paper (scientific journal)

Effect of process variable on temperature distribution in the heat-affected zone of temper bead welds

Tadayoshi Kashiyama, Shigetaka Okano, Masahito Mochizuki

Yosetsu Gakkai Ronbunshu/Quarterly Journal of the Japan Welding Society　Vol. 35　No. 1　p. 13S-17S　2017/02　Research paper (scientific journal)

X-ray investigation of the effect of machining condition on residual stress distribution due to welding after surface machining

Yuu Taniguchi, Shigetaka Okano, Masahito Mochizuki

Yosetsu Gakkai Ronbunshu/Quarterly Journal of the Japan Welding Society　Vol. 35　No. 1　p. 18S-22S　2017/02　Research paper (scientific journal)

Numerical analysis of residual stress distribution generated by welding after surface machining based on hardness variation in surface machined layer due to welding thermal cycle

Ryohei Ihara, Shigetaka Okano, Masahito Mochizuki

Welding International　Vol. 31　No. 2　p. 111-121　2017/02/01　Research paper (scientific journal)

Temperature distribution effect on relation between welding heat input and angular distortion

S. Okano, H. Tsuji, M. Mochizuki

Science and Technology of Welding and Joining　Vol. 22　No. 1　p. 59-65　2017/01/02　Research paper (scientific journal)

Estimation of Local Mechanical Property in Weld Heat-Affected Zone through Spherical Indentation Technique

Shigetaka OKANO, Shuhei TAKEUCHI, Masahito MOCHIZUKI

The Proceedings of Mechanical Engineering Congress, Japan　Vol. 2017　p. G0300502-G0300502　2017　Research paper (scientific journal)

Distortion Control by Welding with Trailing Reverse-Side Flame Heating Near-net-shape manufacturing of plate girders in bridge construction was demonstrated by welding with trailing reverse-side flame heating

S. Okano, Y. Kotani, T. Tsuyama, M. Mochizuki

WELDING JOURNAL　Vol. 96　No. 1　p. 31S-38S　2017/01　Research paper (scientific journal)

Distortion control by welding with trailing reverse-side flame heating

S. Okano, Y. Kotani, T. Tsuyama, M. Mochizuki

Welding Journal　Vol. 96　No. 1　p. 31s-38s　2017/01　Research paper (scientific journal)

Suggestion of welding procedure for compressive residual stress induction by using low transformation temperature welding materials.

YAMAMOTO Junji, HIRAOKA Kazuo, MOCHIZUKI Masahito

QUARTERLY JOURNAL OF THE JAPAN WELDING SOCIETY　Vol. 34　No. 4　p. 260-266　2016/11　Research paper (scientific journal)

Study on prevention of angular distortion in fillet-welded T-joint by welding with a trailing reverse-side gas heating

Yuki Kotani, Shigetaka Okano, Shinji Kobayashi, Tadahisa Tsuyama, Masahito Mochizuki

Welding International　Vol. 30　No. 11　p. 826-834　2016/11/01　Research paper (scientific journal)

Experimental and numerical investigation on generation characteristics of welding deformation in compressor impeller

Shigetaka Okano, Shinji Kobayashi, Kenyu Kimura, Akiyoshi Ando, Esao Yamada, Tetsu Go, Hidekazu Murakawa, Masahito Mochizuki

Materials and Design　Vol. 101　p. 160-169　2016/07/05　Research paper (scientific journal)

Numerical simulation of weld distortion by considering convective heat transfer in weld pools

H. Tsuji, S. Okano, M. Tanaka, M. Mochizuki

69th Annual Assembly of Int. Inst. Welding (IIW)　2016/07　Research paper (international conference proceedings)

Evaluation of Cold Cracking in High-Strength Steel Weld Metal Based on Local Critical Conditions Incorporating Stress and Diffusible Hydrogen Distributions

MIKAMI Yoshiki, KAWABE Nao, ISHIKAWA Nobuyuki, MOCHIZUKI Masahito

QUARTERLY JOURNAL OF THE JAPAN WELDING SOCIETY　Vol. 34　No. 2　p. 67-80　2016/05　Research paper (scientific journal)

Relation between residual stress and fatigue strength for electron beam welded joints of sheet metal

Takuya Nagai, Ryu Kasai, Kunika Ueno, Masahito Mochizuki, Tetsuo Suga

ISIJ International　Vol. 56　No. 5　p. 835-843　2016/05　Research paper (scientific journal)

Experimental study on generation characteristics of weld buckling distortion in thin plate

OKANO Shigetaka, MOCHIZUKI Masahito

Transactions of the JSME (in Japanese)　Vol. 82　No. 834　p. 15-00314-15-00314　2016

Dominant parameter of weld angular distortion in structural materials based on theory of inherent strain (Development of accuracy management system for high quality construction in welded structures on the basis of advanced theory of inherent strain)

MOCHIZUKI Masahito, OKANO Shigetaka

Transactions of the JSME (in Japanese)　Vol. 82　No. 835　p. 15-00567-15-00567　2016

Assembling a database of inherent strain for simplified distortion analysis in multi-layer and multi-pass welding of heavy section plate (Development of accuracy management system for high quality construction in welded structures on the basis of advanced theory of inherent strain)

OKANO Shigetaka, TADANO Satoshi, NAKATANI Yujiro, MOCHIZUKI Masahito

Transactions of the JSME (in Japanese)　Vol. 82　No. 837　p. 16-00005-16-00005　2016

Influence of Thickness of Flange Plate on the Reduction of Angular Distortion by Welding with Trailing Reverse-side Flame Line Heating

KOTANI Yuki, OKANO Shigetaka, TSUYAMA Tadahisa, MOCHIZUKI Masahito

QUARTERLY JOURNAL OF THE JAPAN WELDING SOCIETY　Vol. 34　No. 1　p. 1-7　2016　Research paper (scientific journal)

A Discussion about Opening and Closing Behavior of Root Gap during Butt Welding and Its Affectors

OKANO Shigetaka, MOCHIZUKI Masahito

QUARTERLY JOURNAL OF THE JAPAN WELDING SOCIETY　Vol. 34　No. 1　p. 26-34　2016　Research paper (scientific journal)

Advanced Preventive/Proactive Maintenance and Repair Techniques for Nuclear Power Plants by Controlling Weld Residual Stress Fields in Embedded Flaw Repair Process

MOCHIZUKI Masahito, OKANO Shigetaka, CHIGUSA Naoki

Journal of the Society of Materials Science, Japan　Vol. 65　No. 3　p. 212-219　2016　Research paper (scientific journal)

On the Distinction between Instrumented Indentation Technique and X-ray Diffraction Method in Nondestructive or Semi-Nondestructive Surface Stress Measurement

OKANO Shigetaka, KANAMARU Daisuke, IHARA Ryohei, MOCHIZUKI Masahito

Journal of the Society of Materials Science, Japan　Vol. 65　No. 4　p. 319-324　2016　Research paper (scientific journal)

In-Situ Measurement of Transitional Stress in Welds Metal of Steel Using Synchrotron Radiation

TSUJI Akihiro, ZHANG Shuoyuan, HASHIMOTO Tadafumi, OKANO Shigetaka, SHOBU Takahisa, MOCHIZUKI Masahito

Journal of the Society of Materials Science, Japan　Vol. 65　No. 9　p. 665-671　2016　Research paper (scientific journal)

Numerical investigation of the influence of heat source modeling on simulated residual stress distribution in weaving welds

Yoshiki Mikami, Terumi Nakamura, Masahito Mochizuki

Welding in the World　Vol. 60　No. 1　p. 41-49　2016/01/01　Research paper (scientific journal)

Experimental and numerical investigation of trailing heat sink effect on weld residual stress and distortion of austenitic stainless steel

Shigetaka Okano, Masahito Mochizuki

ISIJ International　Vol. 56　No. 4　p. 647-653　2016　Research paper (scientific journal)

Effect of reference point selection on microscopic stress measurement using EBSD

Yoshiki Mikami, Kazuo Oda, Masayuki Kamaya, Masahito Mochizuki

Materials Science and Engineering A　Vol. 647　p. 256-264　2015/10/28　Research paper (scientific journal)

固有ひずみ理論に基づいた溶接角変形の支配因子と定量化 – アルミニウム合金における溶接変形・残留応力の高精度予測・評価技術に関する研究

岡野成威, 望月正人

軽金属溶接　Vol. 53　No. 10　p. 402-407　2015/10　Research paper (scientific journal)

Semi-nondestructive Measurement of Weld Residual Stress Distribution using Indentation Technique without Reference Load under Non-stressed State according to Measurement Positions:―Studies on Accurate Prediction and Evaluation Techniques of Weld Distortion and Residual Stress generated by Welding of Aluminum Alloys―

Okano Shigetaka, Mochizuki Masahito

Journal of Light Metal Welding　Vol. 53　No. 10　p. 408-415　2015/10

Estimation of Stress Corrosion Cracking Growth Behavior under Weld Residual Stress in the Bottom of a Reactor Pressure Vessel by Finite Element Analysis

Fuminori Iwamatsu, Katsumasa Miyazaki, Masahito Mochizuki

Journal of Pressure Vessel Technology, Transactions of the ASME　Vol. 137　No. 4　2015/08/01　Research paper (scientific journal)

Method of X-ray residual stress measurement for phase transformed welds

Akihiro Tsuji, Shigetaka Okano, Masahito Mochizuki

Welding in the World　Vol. 59　No. 4　p. 577-583　2015/07/11　Research paper (scientific journal)

Welding-Induced Local Maximum Residual Stress in Heat Affected Zone of Low-Carbon Austenitic Stainless Steel with Machined Surface Layer and Its Influential Factors

OKANO Shigetaka, IHARA Ryohei, KANAMARU Daisuke, MOCHIZUKI Masahito

Journal of the Society of Materials Science, Japan　Vol. 64　No. 7　p. 548-553　2015/07　Research paper (scientific journal)

Hydrogen diffusion simulation in dual phase microstructure considering the difference in diffusion constants

Gen Ogita, Yoshiki Mikami, Masahito Mochizuki

Quarterly Journal of the Japan Welding Society　Vol. 33　No. 2　p. 6s-10s　2015/06　Research paper (scientific journal)

An Estimation of Factors Influencing Residual Stress Characteristics of Fillet Welded Lap Joints

NAGAI Takuya, KASAI Ryu, SUZUKI Reiichi, MOCHIZUKI Masahito, SUGA Tetsuo

QUARTERLY JOURNAL OF THE JAPAN WELDING SOCIETY　Vol. 33　No. 2　p. 202-210　2015/05　Research paper (scientific journal)

Influence of Fatigue Strength for Electron Beam Weld Joint with Thin Steel Plate

Takuya Nagai, Ryu Kasai, Kunika Ueno, Masahito Mochizuki, Tetsuo Suga

Quarterly J. Japan Welding Soc.　p. 120s-124s　2015/04　Research paper (scientific journal)

Residual Stress Analysis and Validation in Repair Welds of Dissimilar Pipe Joints Using Temper Bead Technique

OKANO Shigetaka, KAWAGUCHI Akihiro, ITOH Shinsuke, MOCHIZUKI Masahito

Journal of High Pressure Institute of Japan　Vol. 53　No. 4　p. 179-186　2015/04

Numerical Simulation of Weld Distortion and Residual Stress on the Basis of Heat Source Modeling for AC TIG Arc Welding Numerical Simulation of Weld Distortion and Residual Stress n the Basis of Heat Source Modeling for AC TIG Arc Welding:―Studies on Accurate Prediction and Evaluation Techniques of Weld Distortion and Residual Stress generated by Welding of Aluminum Alloys―

Okano Shigetaka, Mochizuki Masahito

Journal of Light Metal Welding　Vol. 53　No. 3　p. 96-103　2015/03

Development and Validation of Predictive Simulation Model of Multi-layer Repair Welding Process by Temper Bead Technique

OKANO Shigetaka, MIYASAKA Fumikazu, TANAKA Manabu, MOCHIZUKI Masahito

Journal of High Pressure Institute of Japan　Vol. 53　No. 2　p. 88-95　2015/03　Research paper (scientific journal)

Semi-Nondestructive Measurement of Weld Residual Stress Distribution in Austenitic Stainless Steel using Indentation Technique Without Reference Load under Non-stress State

D. Kanamaru, S. Okano, M. Mochizuki

E-Journal of Advanced Maintenance　Vol. 7　No. 1　p. 14-19　2015　Research paper (scientific journal)

Semi-Nondestructive Determination of Anisotropic Stress-Strain Curve Using Asymmetric Indenters with Different Vertical Angles

S. Okano, M. Miyabe, M. Mochizuki

E-Journal of Advanced Maintenance,　Vol. 7　No. 1　p. 96-101　2015　Research paper (scientific journal)

Development of an evaluation method utilizing numerical simulation to assure long-term reliability of residual stress improvement by surface treatment

Vol. 13　No. 4　p. 79-86　2015/01　Research paper (scientific journal)

Dominant factors and quantification of Tendon Force in welded structural materials (Development of accuracy management system for high quality construction in welded structures on the basis of advanced theory of inherent strain)

OKANO Shigetaka, MOCHIZUKI Masahito

Transactions of the JSME (in Japanese)　Vol. 81　No. 830　p. 15-00277-15-00277　2015

Dominant factors influencing weld angular distortion from a viewpoint of generation characteristics of inherent strain (Development of accuracy management system for high quality construction in welded structures on the basis of advanced theory of inherent strain)

OKANO Shigetaka, MOCHIZUKI Masahito

Transactions of the JSME (in Japanese)　Vol. 81　No. 826　p. 15-00118-15-00118　2015

Effects of metal types on residual stress in electron-beam welding joints with sheet metals

Takuya Nagai, Ryu Kasai, Kunika Ueno, Masahito Mochizuki, Tetsuo Suga

ISIJ International　Vol. 55　No. 1　p. 241-249　2015/01　Research paper (scientific journal)

Evaluation of the effect of strength mismatch in undermatched joints on the static tensile strength of welded joints by considering microstructure: Mechanical Discussion on 950 MPa Class Steel Plate Welded Joint

Houichi Kitano, Shigetaka Okano, Masahito Mochizuki, Kazushi Onishi, Tomoya Kawabata, Hideo Sakaibori

Welding International　Vol. 28　No. 10　p. 766-774　2014/10　Research paper (scientific journal)

A discussion of the relationship between heat input parameter and angular distortion by considering moving heat source effect

Shigetaka Okano, Kazunori Matsushita, Masahito Mochizuki, Masao Toyoda

Welding International　Vol. 28　No. 9　p. 683-692　2014/09　Research paper (scientific journal)

Thermal conduction theoretical analysis of temperature distribution during multiple-electrode submerged arc welding

Nobuhisa Ochi, Shigetaka Okano, Masahito Mochizuki, Junji Shimamura, Nobuyuki Ishikawa

Welding International　Vol. 28　No. 3　p. 174-183　2014/03　Research paper (scientific journal)

FEM-MD combined method for evaluation of microscopic stress distribution by considering microscopic heterogeneity and deformation in close vicinity to grain boundary of steels

Ryota Higuchi, Masahito Mochizuki, Masao Toyoda

Welding International　Vol. 28　No. 2　p. 114-124　2014/02　Research paper (scientific journal)

Hardness Prediction of HAZ in Temper Bead Welding by Non-Consistent Layer Technique

L. Yu, K. Saida, M. Mochizuki, M. Kameyama, N. Chigusa, K. Nishimoto

E-Journal of Advanced Maintenance　Vol. 6　p. 34-47　2014　Research paper (scientific journal)

Effect of Crystal Plasticity Parameters on Microscopic Stress Distribution in Polycrystalline Aggregate Model

Y. Mikami, K. Oda, M. Mochizuki

Journal of Multiscale Modelling, DOI: 10.1142/S1756973713500030　Vol. 5　No. 1　2014　Research paper (scientific journal)

Proposing a new semi-nondestructive measurement of non-equiaxial residual stress field using indentation technique without reference value of hardness under non-stress state

OKANO Shigetaka, MOCHIZUKI Masahito

Transactions of the JSME (in Japanese)　Vol. 80　No. 820　p. SMM0355-SMM0355　2014

Hardness prediction for temper bead welding of non-consistent layer technique

Li Na Yu, Kazuyoshi Saida, Masahito Mochizuki, Masashi Kameyama, Takehiko Sera, Shinro Hirano, Kazutoshi Nishimoto

Materials Science Forum　Vol. 783-786　p. 2851-2856　2014　Research paper (international conference proceedings)

Experimental study on relationship between heat parameter and angular distortion

Shigetaka Okano, Kazunori Matsushita, Masahito Mochizuki, Masao Toyoda, Tomoyuki Ueyama

Welding International　Vol. 28　No. 4　p. 289-300　2014　Research paper (scientific journal)

Study on Prevention of Angular Distortion in Fillet welded T-joint by Welding with a Trailing Reverse-side Gas Heating

KOTANI Yuki, OKANO Shigetaka, KOBAYASHI Shinji, TSUYAMA Tadahisa, MOCHIZUKI Masahito

QUARTERLY JOURNAL OF THE JAPAN WELDING SOCIETY　Vol. 32　No. 3　p. 148-155　2014　Research paper (scientific journal)

Weld residual distortion produced due to locally cooled temperature distribution and its reduction effect

Shigetaka Okano, Masahito Mochizuki, Masao Toyoda

Welding International　Vol. 28　No. 4　p. 281-288　2014　Research paper (scientific journal)

Numerical Analysis of Residual Stress Distribution Generated by Welding After Surface Machining Based on Hardness Variation in Surface Machined Layer due to Welding Thermal Cycle

IHARA Ryohei, OKANO Shigetaka, MOCHIZUKI Masahito

QUARTERLY JOURNAL OF THE JAPAN WELDING SOCIETY　Vol. 32　No. 4　p. 267-275　2014　Research paper (scientific journal)

Effect of Processing Conditions on Residual Stress Distributions by Bead-on-plate Welding after Surface Machining

IHARA Ryohei, MOCHIZUKI Masahito

Journal of the Society of Materials Science, Japan　Vol. 63　No. 7　p. 551-556　2014　Research paper (scientific journal)

Numerical Simulation of Microscopic Stress Distribution in Steel Weld Metal Considering Anisotropic Crystal Orientation

Mikami Yoshiki, Mochizuki Masahito

Tetsu-to-Hagane　Vol. 100　No. 10　p. 1281-1288　2014　Research paper (scientific journal)

Application of Gas Metal Arc Welding Process Model to Computational Welding Mechanics

OKANO Shigetaka, MIYASAKA Fumikazu, TANAKA Manabu, MOCHIZUKI Masahito

QUARTERLY JOURNAL OF THE JAPAN WELDING SOCIETY　Vol. 32　No. 4　p. 276-283　2014　Research paper (scientific journal)

Development of three-dimensional welding deformation measurement based on stereo imaging technique

Masakazu Shibahara, Eri Kawamura, Kazuki Ikushima, Shinsuke Itoh, Masahito Mochizuki, Koji Masaoka

Welding International　Vol. 27　No. 12　p. 920-928　2013/12　Research paper (scientific journal)

The effect of martensitic transformation on residual stress in resistance spot welded high-strength steel sheets

Muneyoshi Iyota, Yoshiki Mikami, Tadafumi Hashimoto, Koichi Taniguchi, Rinsei Ikeda, Masahito Mochizuki

Journal of Alloys and Compounds　Vol. 577　No. SUPPL. 1　p. S684-S689　2013/11/15　Research paper (scientific journal)

Effect of Weld Imperfection on Fracture Assessment of Undermatched Joint of High Strength Steel for Penstocks

M. Mochizuki, S. Okano

High Strength Steels for Hydraulic Plants – Design Concepts – Pressure Conduits, H. Cerjak, N. Enzinger, R. Greiner and G. Genz, Eds., Verlag der Technische Universität Graz, ISBN 978-3-85125-292-7　p. 273-282　2013/09　Part of collection (book)

A study on changes of principal stress in welding residual stress fields

Akihiro Tsuji, Tadafumi Hashimoto, Shigetaka Okano, Masahito Mochizuki

Zairyo/Journal of the Society of Materials Science, Japan　Vol. 62　No. 7　p. 424-429　2013/07　Research paper (scientific journal)

Evaluation of residual stress distribution in Ni base alloy clad welds by numerical simulation and X-ray stress measurement

Y. Mikami, K. Sogabe, T. Hashimoto, S. Nishikawa, M. Mochizuki

Science and Technology of Welding and Joining　Vol. 18　No. 2　p. 114-119　2013/02　Research paper (scientific journal)

Neural network based toughness prediction in HAZ of low alloy steel produced by temper bead welding repair technology

L. Yu, M. Sasa, K. Ohnishi, M. Kameyama, S. Hirano, N. Chigusa, T. Sera, K. Saida, M. Mochizuki, K. Nishimoto

Science and Technology of Welding and Joining　Vol. 18　No. 2　p. 120-134　2013/02　Research paper (scientific journal)

Evaluation of varying extent on the residual stress distribution by effect of varied welding application and repair welding

Vol. 11　No. 4　p. 98-104　2013/01　Research paper (scientific journal)

Advanced numerical simulations of micro-, macro-, and mega-scale structurization

Masahito Mochizuki

Progress in Advanced Structural and Functional Materials Design　p. 83-91　2013/01/01　Part of collection (book)

Neural network-based hardness and toughness prediction in HAZ of temper bead welding repair technology

Lina Yu, Masato Sasa, Kenta Ohnishi, Masashi Kameyama, Shinro Hirano, Naoki Chigusa, Takehiko Sera, Kazuyoshi Saida, Masahito Mochizuki, Kazutoshi Nishimoto

Yosetsu Gakkai Ronbunshu/Quarterly Journal of the Japan Welding Society　Vol. 31　No. 4　2013　Research paper (scientific journal)

Long-term reliability of improvement of residual stresses by preventive maintenance using surface finishing

Takehiko Sera, Shinro Hirano, Naoki Chigusa, Shigetaka Okano, Kazuyoshi Saida, Masahito Mochizuki, Kazutoshi Nishimoto

Yosetsu Gakkai Ronbunshu/Quarterly Journal of the Japan Welding Society　Vol. 31　No. 4　2013　Research paper (scientific journal)

Numerical model of multi-pass repair process by temper bead welding

Hiroki Murakami, Shigetaka Okano, Masahi Kameyama, Takehiko Sera, Masahito Mochizuki

Yosetsu Gakkai Ronbunshu/Quarterly Journal of the Japan Welding Society　Vol. 31　No. 4　2013　Research paper (scientific journal)

Semi-destructive method for evaluation of local mechanical properties in the notch-tip region using an indentation technique

Misa Miyabe, Muneyoshi Iyota, Shigetaka Okano, Masahito Mochizuki

Yosetsu Gakkai Ronbunshu/Quarterly Journal of the Japan Welding Society　Vol. 31　No. 4　2013　Research paper (scientific journal)

A new welding process simulation using a hybrid particle and grid method with explicit MPS

Nobuhisa Ochi, Shigetaka Okano, Masahito Mochizuki

Yosetsu Gakkai Ronbunshu/Quarterly Journal of the Japan Welding Society　Vol. 31　No. 4　2013　Research paper (scientific journal)

Estimation of three-dimensional microscopic strain components by digital image correlation and crystal orientation analysis

Kazuo Oda, Yoshiki Mikami, Masahito Mochizuki

Yosetsu Gakkai Ronbunshu/Quarterly Journal of the Japan Welding Society　Vol. 31　No. 4　2013　Research paper (scientific journal)

High accurate residual stress evaluation by deep hole drilling technique considering three-dimensional stress fields

Houichi Kitano, Shigetaka Okano, Masahito Mochizuki

Yosetsu Gakkai Ronbunshu/Quarterly Journal of the Japan Welding Society　Vol. 31　No. 4　2013　Research paper (scientific journal)

Effects of welding condition on controlling the residual stress in resistance spot welds

Muneyoshi Iyota, Masahito Mochizuki

Yosetsu Gakkai Ronbunshu/Quarterly Journal of the Japan Welding Society　Vol. 31　No. 4　2013　Research paper (scientific journal)

Experimental study on effects of root gap and fillet size of welds on joint strength

Daisuke Sugitani, Masahito Mochizuki

Yosetsu Gakkai Ronbunshu/Quarterly Journal of the Japan Welding Society　Vol. 31　No. 4　2013　Research paper (scientific journal)

Analytical evaluation of effect on residual stress improvement by freezing process for small bore butt welded pipe

Fuminori Iwamatsu, Satoru Aoike, Yuka Fukuda, Masahito Mochizuki

Nihon Kikai Gakkai Ronbunshu, A Hen/Transactions of the Japan Society of Mechanical Engineers, Part A　Vol. 79　No. 798　p. 130-141　2013　Research paper (scientific journal)

Welding process simulation using hybrid explicit MPS and Grid Method

Nobuhisa Ochi, Shigetaka Okano, Masahito Mochizuki

Transactions of the Japan Society for Computational Engineering and Science　Vol. 2013　No. 0　p. 20130005-20130005　2013　Research paper (scientific journal)

Long-term stability of residual stress improvement by water jet peening considering working processes

Tadafumi Hashimoto, Yusuke Osawa, Shinsuke Itoh, Masahito Mochizuki, Kazutoshi Nishimoto

Journal of Pressure Vessel Technology, Transactions of the ASME　Vol. 135　No. 3　2013　Research paper (scientific journal)

Variation behavior of residual stress distribution by manufacturing processes in welded pipes of austenitic stainless steel

Ryohei Ihara, Tadafumi Hashimoto, Masahito Mochizuki

Zairyo/Journal of the Society of Materials Science, Japan　Vol. 61　No. 12　p. 961-966　2012/12　Research paper (scientific journal)

Prediction method of long-term reliability in improving residual stresses by means of surface finishing

Vol. 11　No. 3　p. 79-85　2012/10　Research paper (scientific journal)

Porosity Reduction of Aluminum Alloy in Electron Beam Welding with Pulse Control

Ueno Kunika, Shindo Minoru, Mochizuki Masahito

Journal of Light Metal Welding　Vol. 50　No. 10　p. 389-394　2012/10

Development of joining process between aluminium alloy and stainless steel by using plastic flow in automotive parts

Hideaki Shirai, Masahito Mochizuki, Masao Toyoda

Welding International　Vol. 26　No. 9　p. 665-671　2012/09　Research paper (scientific journal)

Residual stress and distortion in electron beam weld joint with thin steel plate

SUGA Tetsuo, KASAI Ryu, NAGAI Takuya, UENO Kunika, SHINDO Minoru, MOCHIZUKI Masahito

QUARTERLY JOURNAL OF THE JAPAN WELDING SOCIETY　Vol. 30　No. 3　p. 262-273　2012/08　Research paper (scientific journal)

Consideration of microstructure evolution and residual stress measurement near severe worked surface using high energy X-ray

Tadafumi Hashimoto, Takahisa Shobu, Masahito Mochizuki

Zairyo/Journal of the Society of Materials Science, Japan　Vol. 61　No. 7　p. 612-619　2012/07　Research paper (scientific journal)

Effect of welding conditions on reduction in angular distortion by welding with trailing heat sink

S. Okano, M. Mochizuki, M. Toyoda, T. Ueyama

Science and Technology of Welding and Joining　Vol. 17　No. 4　p. 264-268　2012/05　Research paper (scientific journal)

Thermal Conduction Analysis using Hybrid Particle-Grid Method for Integrated Simulation on Welding

ochi nobuhisa, okano shigetaka, mochizuki masahito

Preprints of the National Meeting of JWS　Vol. 2012f　p. 236-237　2012

Effect of electrode force condition on nugget diameter and residual stress in resistance spot welded high-strength steel sheets

M. Iyota, Y. Mikami, T. Hashimoto, K. Taniguchi, R. Ikeda, M. Mochizuki

Journal of Physics: Conference Series　Vol. 379　No. 1　2012　Research paper (international conference proceedings)

Residual stress variation due to piping processes of austenitic stainless steel

R. Ihara, T. Hashimoto, M. Mochizuki

Journal of Physics: Conference Series　Vol. 379　No. 1　2012　Research paper (international conference proceedings)

Investigation of factors influencing welding deformation of ship block by inherent strain analysis using idealized explicit FEM

Masashi Hata, Shinsuke Itoh, Taketoshi Sugihiro, Yasuo Yamashita, Atsushi Kamio, Masakazu Shibahara, Masahito Mochizuki

Journal of Physics: Conference Series　Vol. 379　No. 1　2012　Research paper (international conference proceedings)

A study for high accuracy measurement of residual stress by deep hole drilling technique

Houichi Kitano, Shigetaka Okano, Masahito Mochizuki

Journal of Physics: Conference Series　Vol. 379　No. 1　2012　Research paper (international conference proceedings)

Numerical simulation of the effect of low-temperature transformation expansion on residual stress in cold cracking test specimens of different restraint factors

Noriyoshi Kubota, Yoshiki Mikami, Masahito Mochizuki, Kazuo Hiraoka

Journal of Physics: Conference Series　Vol. 379　No. 1　2012　Research paper (international conference proceedings)

Effect of columnar grain shape modeling on the microscopic stress distribution at the clad weld metal surface of Ni base alloy

Takahiro Sakai, Yoshiki Mikami, Masahito Mochizuki

Journal of Physics: Conference Series　Vol. 379　No. 1　2012　Research paper (international conference proceedings)

Comparison of weld residual stress measurement results in low alloy welds between X-ray diffraction and stress relief methods

Asahi Sugahara, Shigetaka Okano, Tadafumi Hashimoto, Masahito Mochizuki

Journal of Physics: Conference Series　Vol. 379　No. 1　2012　Research paper (international conference proceedings)

Neural network based toughness prediction in CGHAZ of low-alloy steel produced by temper bead welding

Lina Yu, Masato Sasa, Kenta Ohnishi, Masashi Kameyama, Shinro Hirano, Naoki Chigusa, Kazuyoshi Saida, Masahito Mochizuki, Kazutoshi Nishimoto

Applied Mechanics and Materials　Vol. 117-119　p. 1880-1887　2012　Research paper (international conference proceedings)

Effect of Weld Heat Input Conditions on Reduction of Angular Distortion by Heat-Sink Welding

OKANO Shigetaka, MOCHIZUKI Masahito, TOYODA Masao, UEYAMA Tomoyuki

QUARTERLY JOURNAL OF THE JAPAN WELDING SOCIETY　Vol. 29　No. 1　p. 55-60　2011/12/31

高強度鋼柱梁接合部軟質溶接継手の変形強度バランスに関する検討

鳥形啓輔, 岡野成威, 望月正人

鋼構造年次論文報告集　Vol. 19　p. 176-185　2011/11　Research paper (scientific journal)

Neural network prediction of hardness in HAZ of temper bead welding using the proposed thermal cycle tempering parameter (TCTP)

Lina Yu, Yuma Nakabayashi, Masato Sasa, Shinsuke Itoh, Masashi Kameyama, Shinro Hirano, Naoki Chigusa, Kazuyoshi Saida, Masahito Mochizuki, Kazutoshi Nishimoto

ISIJ International　Vol. 51　No. 9　p. 1506-1515　2011/09/15　Research paper (scientific journal)

Accuracy Improvement of X-Ray stress measurement on GTA weld of type 600 Ni based alloy

Tadafumi Hashimoto, Yusuke Osawa, Shinro Hirano, Masahito Mochizuki, Kazutoshi Nishimoto

Zairyo/Journal of the Society of Materials Science, Japan　Vol. 60　No. 7　p. 604-609　2011/07　Research paper (scientific journal)

Welding-metallurgical evaluation for residual stress measurement accuracy of multi-pass girth welded pipe joint in austenitic stainless steel by X-ray diffraction

Tadafumi Hashimoto, Shigetaka Okano, Masahito Mochizuki

Zairyo/Journal of the Society of Materials Science, Japan　Vol. 60　No. 7　p. 610-616　2011/07　Research paper (scientific journal)

Prediction of residual stress distributions due to surface machining and welding and crack growth simulation under residual stress distribution

Ryohei Ihara, Jinya Katsuyama, Kunio Onizawa, Tadafumi Hashimoto, Yoshiki Mikami, Masahito Mochizuki

Nuclear Engineering and Design　Vol. 241　No. 5　p. 1335-1344　2011/05　Research paper (international conference proceedings)

Study on implementing newly developed repair welding technique within a limited time frame for nuclear power plant

Maintenology　Vol. 10　No. 1　p. 35-43　2011/04　Research paper (scientific journal)

Accuracy improvement of X-ray residual stress measurement in welds of Ni based alloy by two-dimensional detector with multiaxial rocking

T. Hashimoto, Y. Osawa, S. Hirano, M. Mochizuki, K. Nishimoto

Science and Technology of Welding and Joining　Vol. 16　No. 3　p. 261-266　2011/04　Research paper (scientific journal)

Arc physics based heat source modelling for numerical simulation of weld residual stress and distortion

S. Okano, M. Tanaka, M. Mochizuki

Science and Technology of Welding and Joining　Vol. 16　No. 3　p. 209-214　2011/04　Research paper (scientific journal)

Large-Scale Computation of Welding Residual Stress

A. Kawaguchi, S. Itoh, M. Mochizuki, M. Kameyama

Progress in Nuclear Science and Technology　Vol. 2　p. 613-619　2011　Research paper (scientific journal)

An attempt to enhance NUMERICAL MODELS of ANGULAR DISTORTION by considering the physics of the welding arc

S. Okano, M. Mochizuki, K. Yamamoto, M. Tanaka

Welding in the World　Vol. 55　No. 5-6　2011　Research paper (scientific journal)

Minimizing angular distortion in welding by reverse-side heating

M. Mochizuki

Minimization of Welding Distortion and Buckling: Modeling and Implementation, P. Michaleris, Ed., Woodhead Publishing Limited, Cambridge, United Kingdom　p. 273-288　2011/01/01　Part of collection (book)

EBSP-based crystal plasticity FEM simulation of microscopic stress distribution in weld metal

Yoshiki Mikami, Keisuke Sogabe, Masahito Mochizuki

Yosetsu Gakkai Ronbunshu/Quarterly Journal of the Japan Welding Society　Vol. 29　No. 3　2011　Research paper (scientific journal)

Effect of weld shrinkage on root gap behavior during butt welding with additional cooling behind weld heat source

Okano Shigetaka, Mochizuki Masahito, Toyoda Masao, Ueyama Tomoyuki

Yosetsu Gakkai Ronbunshu/Quarterly Journal of the Japan Welding Society　Vol. 29　No. 2　p. 70-76　2011　Research paper (scientific journal)

Numerical simulation of nugget size and residual stress of resistance spot welded HT980 steel sheet

Iyota Muneyoshi, Mikami Yoshiki, Hashimoto Tadafumi, Taniguchi Kouichi, Ikeda Rinsei, Mochizuki Masahito

Yosetsu Gakkai Ronbunshu/Quarterly Journal of the Japan Welding Society　Vol. 29　No. 2　p. 86-95　2011　Research paper (scientific journal)

Quantitative Consideration for the Tempering Effect during Multi-pass Thermal Cycle in HAZ of Low-Alloy Steel

YU Lina, NAKABAYASHI Yuma, SAIDA Kazuyoshi, MOCHIZUKI Masahito, NISHIMOTO Kazutoshi, KAMEYAMA Masashi, HIRANO Shinro, CHIGUSA Naoki

QUARTERLY JOURNAL OF THE JAPAN WELDING SOCIETY　Vol. 29　No. 2　p. 107-113　2011　Research paper (scientific journal)

Anisotropic mechanical behavior of Ni-base alloy weld metal considering crystal orientation distribution

Yoshiki Mikami, Keisuke Sogabe, Satoru Nishikawa, Takahiro Sakai, Masahito Mochizuki

Procedia Engineering　Vol. 10　p. 1621-1626　2011　Research paper (international conference proceedings)

The effects of residual stress distribution and component geometry on the stress intensity factor of surface cracks

Katsumasa Miyazaki, Masahito Mochizuki

Journal of Pressure Vessel Technology, Transactions of the ASME　Vol. 133　No. 1　2011　Research paper (scientific journal)

Prediction of ductile-to-brittle transition under different strain rates in undermatched welded joints

Masahito Mochizuki, Masao Toyoda

Journal of Pressure Vessel Technology, Transactions of the ASME　Vol. 133　No. 3　2011　Research paper (scientific journal)

Numerical analysis of weld distortion using arc physics based heat source modeling - A discussion about relationship between heat input parameter and angular distortion

Okano Shigetaka, Tanaka Manabu, Mochizuki Masahito

Yosetsu Gakkai Ronbunshu/Quarterly Journal of the Japan Welding Society　Vol. 29　No. 2　p. 77-85　2011　Research paper (scientific journal)

Prediction of hardness in HAZ of multi-pass welds in low-alloy steel using Neural Network

YU Lina, CHIGUSA Naoki, NAKABAYASHI Yuma, SASA Masato, ITOH Shinsuke, SAIDA Kazuyoshi, MOCHIZUKI Masahito, NISHIMOTO Kazutoshi, KAMEYAMA Masashi, HIRANO Shinro

QUARTERLY JOURNAL OF THE JAPAN WELDING SOCIETY　Vol. 29　No. 3　p. 154-161　2011

Distortion Analysis by Combining Arc Plasma Process with Weld Mechanics

M. Mochizuki, M. Tanaka, S. Okano

Mathematical Modelling of Weld Phenomena 9, Edited by H. Cerjak and N. Enzinger, TU Graz Publishing, Graz, Austria, ISBN 978-3-85125-127-2　Vol. 9　p. 551-578　2010/12　Research paper (scientific journal)

SCC Prediction in Weld Components by Multi-Scale Analysis Incorporating Crystal Plasticity

Y. Mikami, R. Uraguchi, K. Sogabe, M. Mochizuki

Mathematical Modelling of Weld Phenomena 9, Edited by H. Cerjak and N. Enzinger, TU Graz Publishing, Graz, Austria, ISBN 978-3-85125-127-2　p. 551-578　2010/12　Research paper (scientific journal)

高強度鋼の適用拡大に向けた溶接部軟化許容設計の基礎的検討

北野萌一, 岡野成威, 望月正人

鋼構造年次論文報告集　Vol. 18　p. 165-172　2010/11　Research paper (scientific journal)

Development of Joining Process between Aluminum Alloy and Stainless Steel by Using Plastic Flow in Automotive Parts

Shirai Hideaki, Mochizuki Masahito, Toyoda Masao

Journal of Light Metal Welding　Vol. 48　No. 8　p. 286-292　2010/08　Research paper (scientific journal)

Analysis of martensite transformation behaviour in welded joint using low transformation temperature welding wire

J. Yamamoto, K. Hiraoka, M. Mochizuki

Science and Technology of Welding and Joining　Vol. 15　No. 2　p. 104-110　2010/02/01　Research paper (scientific journal)

A method for evaluating the stress-strain relationship of materials in the microstructural region using a triangular pyramidal indenter

Ryota Higuchi, Masahito Mochizuki, Masao Toyoda

Welding International　Vol. 24　No. 8　p. 611-619　2010　Research paper (scientific journal)

A Methodology of Appropriate Weld Procedures for Axial Compressive Residual Stress on Inner Surface in Multi-Pass Girth Welded Pipe Joint

OKANO Shigetaka, MOCHIZUKI Masahito

Journal of High Pressure Institute of Japan　Vol. 48　No. 2　p. 86-96　2010

FEM-MD combined method for evaluation of microscopic stress distribution by considering microscopic heterogeneity and deformation in close vicinity to grain boundary of steels?

Ryota Higuchi, Masahito Mochizuki, Masao Toyoda

Yosetsu Gakkai Ronbunshu/Quarterly Journal of the Japan Welding Society　Vol. 28　No. 1　p. 28-38　2010　Research paper (scientific journal)

Weld residual distortion produced due to locally cooled temperature distribution and its reduction effect?

Shigetaka Okano, Masahito Mochizuki, Masao Toyoda

Yosetsu Gakkai Ronbunshu/Quarterly Journal of the Japan Welding Society　Vol. 28　No. 1　p. 72-79　2010　Research paper (scientific journal)

Experimental study on relationship between heat input parameter and angular distortion?

Shigetaka Okano, Kazunori Matsushita, Masahito Mochizuki, Masao Toyoda, Tomoyuki Ueyama

Yosetsu Gakkai Ronbunshu/Quarterly Journal of the Japan Welding Society　Vol. 28　No. 1　p. 97-107　2010　Research paper (scientific journal)

Development of 3-dimensional welding deformation measurement based on stereo imaging technique?

Masakazu Shibahara, Eri Kawamura, Kazuki Ikushima, Shinsuke Itoh, Masahito Mochizuki, Koji Masaoka

Yosetsu Gakkai Ronbunshu/Quarterly Journal of the Japan Welding Society　Vol. 28　No. 1　p. 108-115　2010　Research paper (scientific journal)

Thermal conduction theoretical analysis of temperature distribution during multiple-electrode submerged arc welding?

Nobuhisa Ochi, Shigetaka Okano, Masahito Mochizuki, Junji Shimamura, Nobuyuki Ishikawa

Yosetsu Gakkai Ronbunshu/Quarterly Journal of the Japan Welding Society　Vol. 28　No. 1　p. 158-166　2010　Research paper (scientific journal)

A Discussion about Relationship between Heat Input Parameter and Angular Distortion by Considering Moving Heat Source Effect

OKANO Shigetaka, MATSUSHITA Kazunori, MOCHIZUKI Masahito, TOYODA Masao

QUARTERLY JOURNAL OF THE JAPAN WELDING SOCIETY　Vol. 28　No. 3　p. 272-280　2010　Research paper (scientific journal)

Evaluation of the Effect of Strength Mismatch in Under-matched Joints on the Static Tensile Strength of Welded Joints by Considering Microstructure - Mechanical Discussion on 950MPa Class Steel Plate Welded Joint -:- Mechanical Discussion on 950MPa Class Steel Plate Welded Joint -

KITANO Houichi, OKANO Shigetaka, MOCHIZUKI Masahito, ONISHI Kazushi, KAWABATA Tomoya, SAKAIBORI Hideo

QUARTERLY JOURNAL OF THE JAPAN WELDING SOCIETY　Vol. 28　No. 3　p. 288-295　2010　Research paper (scientific journal)

Effect of Undermatched Joint on Brittle Fracture Behavior of High Strength Steel Plate - Mechanical Discussion on 950MPa Class Steel Plate Welded Joint for Penstock -:- Mechanical Discussion on 950MPa Class Steel Plate Welded Joint for Penstock -

KAWABATA Tomoya, SAKAIBORI Hideo, ONISHI Kazushi, MOCHIZUKI Masahito, OKANO Shigetaka, KITANO Houichi

QUARTERLY JOURNAL OF THE JAPAN WELDING SOCIETY　Vol. 28　No. 3　p. 296-304　2010　Research paper (scientific journal)

Analytical study on effects of strain distribution in welding start/end on welding distortion

Masahito Mochizuki, Yoshiki Mikami, Hiroki Yamasaki, Masao Toyoda

Welding International　Vol. 23　No. 9　p. 654-661　2009/09　Research paper (scientific journal)

Approach to Link Between Arc Physics and Weld Distortion Through Heat Transport Phenomena

S. Okano, M. Mochizuki, K. Yamamoto, M. Tanaka

62nd Annual Assembly of Int. Inst. Welding (IIW)　2009/07　Research paper (international conference proceedings)

Thermal elastic-plastic analysis considering temperature rise by rapid plastic deformation in undermatched joints

Masahito Mochizuki, Gyu Baek An, Masao Toyoda

Journal of Pressure Vessel Technology, Transactions of the ASME　Vol. 131　No. 3　2009/06　Research paper (scientific journal)

The effect of the distance from the center of a weld to the fixed end on the residual stress and stress intensity factor of a piping weld

Katsumasa Miyazaki, Masanori Numata, Koichi Saito, Masahito Mochizuki

Journal of Pressure Vessel Technology, Transactions of the ASME　Vol. 131　No. 2　2009/04　Research paper (scientific journal)

Angular distortion of fillet welded T joint using low transformation temperature welding wire

Y. Mikami, Y. Morikage, M. Mochizuki, M. Toyoda

Science and Technology of Welding and Joining　Vol. 14　No. 2　p. 97-105　2009/02　Research paper (scientific journal)

Study on Heat Characteristics in Multi-Electrode Submerged Arc Welding for Temperature Distribution Control

Ochi Nobuhisa, Okano Shigetaka, Mochizuki Masahito, Shimamura Junji, Ishikawa Nobuyuki

Preprints of the National Meeting of JWS　Vol. 2009s　p. 229-229　2009

Computational simulation of weld microstructure and distortion by considering process mechanics

M. Mochizuki, Y. Mikami, S. Okano, S. Itoh

Journal of Physics: Conference Series　Vol. 165　2009　Research paper (international conference proceedings)

Numerical simulation of transformation-induced microscopic residual stress in ferrite-martensite lamellar steel

Y. Mikami, A. Inao, M. Mochizuki, M. Toyoda

Journal of Physics: Conference Series　Vol. 165　2009　Research paper (international conference proceedings)

Effect of transformation temperature and restraint intensity on the reduction of restraint stress by transformation expansion

Yoshiki Mikami, Masaya Nakamura, Masahito Mochizuki, Masao Toyada

Yosetsu Gakkai Ronbunshu/Quarterly Journal of the Japan Welding Society　Vol. 27　No. 2　2009　Research paper (scientific journal)

Effect of welding conditions on reduction of angular distortion by in-process control welding using back heating source

Shigetaka Okano, Masahito Mochizuki, Masao Toyoda

Yosetsu Gakkai Ronbunshu/Quarterly Journal of the Japan Welding Society　Vol. 27　No. 2　2009　Research paper (scientific journal)

Evaluation Method for Stress-Strain Relationship of Materials in Microstructural Region Using Triangular Pyramidal Indenter

HIGUCHI Ryota, MOCHIZUKI Masahito, TOYODA Masao

QUARTERLY JOURNAL OF THE JAPAN WELDING SOCIETY　Vol. 27　No. 2　p. 115-123　2009　Research paper (scientific journal)

Analytical Study on Effects of Strain Distribution in Welding Start/End on Welding Distortion

MOCHIZUKI Masahito, MIKAMI Yoshiki, YAMASAKI Hiroki, TOYODA Masao

QUARTERLY JOURNAL OF THE JAPAN WELDING SOCIETY　Vol. 26　No. 2　p. 145-151　2008/05　Research paper (scientific journal)

Effect of residual stress and hardening on grain boundary sliding in welds of low-carbon stainless steels with surface machining

Maintenology　Vol. 7　No. 1　p. 36-41　2008/04

Measurement of through-thickness residual stress in primary piping of girth welded joint

M. Mochizuki, S. Okano, G. B. An, M. Toyoda

Materials Science Forum　Vol. 580-582　p. 577-580　2008　Research paper (international conference proceedings)

Investigation of wall thinning measurement in steel plates by electromagnetic acoustic resonance

Kinya Mitani, Masahito Mochizuki, Masao Toyoda

Materials Science Forum　Vol. 580-582　p. 113-116　2008　Research paper (international conference proceedings)

Angular distortion reduction by in-process control welding using back heating source

Shigetaka Okano, Masahito Mochizuki, Masao Toyoda

Materials Science Forum　Vol. 580-582　p. 585-588　2008　Research paper (international conference proceedings)

Study of weldability for circularly input heat

Hideaki Shirai, Shigetaka Okano, Masahito Mochizuki, Masao Toyoda

Materials Science Forum　Vol. 580-582　p. 667-670　2008　Research paper (international conference proceedings)

Geometrical and welding conditions on through-thickness residual stress in primary piping of girth welded joints

J. Katsuyama, M. Mochizuki, H. Mori, W. Asano, G. B. An, M. Toyoda

Materials Science Forum　Vol. 580-582　p. 573-576　2008　Research paper (international conference proceedings)

Study on mechanism of intergranular stress corrosion cracking and analysis of residual stress and work hardening in welds of low-carbon austenitic stainless steel with hard surface machining

Hiroaki Mori, Jinya Katsuyama, Masahito Mochizuki, Kazutoshi Nishimoto, Masao Toyoda

Zairyo to Kankyo/ Corrosion Engineering　Vol. 56　No. 12　p. 568-576　2007/12　Research paper (scientific journal)

Elastic predicting method of weld distortion of large structures using numerical simulation results by thermal-elastic-plastic analysis of small components

M. Mochizuki, Y. Mikami, H. Yamasaki, M. Toyoda

Welding in the World　Vol. 51　No. 11-12　p. 60-64　2007/12　Research paper (scientific journal)

ミクロ組織分布に注目した多層溶接金属の靭性評価に関する研究

三上欣希, 中津康博, 橋場裕治, 望月正人, 豊田政男

鋼構造年次論文報告集　Vol. 15　p. 659-667　2007/11　Research paper (scientific journal)

Evaluation of wall thinning for steel plates by electromagnetic acoustic resonance spectrum - Investigation of thickness and stress evaluation method for steel structures using electromagnetic acoustic transducer

Kinya Mitani, Yoshiharu Nakayama, Eiichi Kanai, Masahito Mochizuki, Masao Toyoda

Yosetsu Gakkai Ronbunshu/Quarterly Journal of the Japan Welding Society　Vol. 25　No. 4　p. 507-513　2007/11　Research paper (scientific journal)

Strategy of considering microstructure effect on weld residual stress analysis

Masahito Mochizuki, Masao Toyoda

Journal of Pressure Vessel Technology, Transactions of the ASME　Vol. 129　No. 4　p. 619-629　2007/11　Research paper (scientific journal)

Thermal conductivity theoretical examination concerning characteristics of welding distortion produced by multiple heat sources

S. Okano, M. Mochizuki, M. Toyoda

Welding International　Vol. 21　No. 10　p. 710-717　2007/10/01　Research paper (scientific journal)

Measurement and numerical simulation of angular distortion of fillet welded T-joints - Welding angular distortion control by transformation expansion of weld metals (Report 1)

Y. Mikami, M. Mochizuki, M. Toyoda, Y. Morikage

Welding International　Vol. 21　No. 8　p. 547-560　2007/08　Research paper (scientific journal)

FEM-MD combined method for investigation on effects of microscopic heterogeneity near weld zone on strength characteristics

R. Higuchi, M. Mochizuki, M. Toyoda

Welding in the World　Vol. 51　No. 7-8　p. 29-34　2007/08　Research paper (scientific journal)

Weld distortion control during welding process with reverse-side heating

Masahito Mochjzuki, Masao Toyoda

Journal of Engineering Materials and Technology, Transactions of the ASME　Vol. 129　No. 2　p. 265-270　2007/04　Research paper (scientific journal)

Basic study of the plant maintenance model considering plant improvement/modification

Maintenology　Vol. 6　No. 1　p. 34-39　2007/04

Study on Metallurgical and Mechanical Heterogeneity in Weld Materials Considering Multiple Heat Cycles and Phase Transformation

M. Mochizuki, Y. Mikami, M. Toyoda

Mathematical Modelling of Weld Phenomena 8, Edited by H. Cerjak, TU Graz Publishing, Graz, Austria　Vol. 8　p. 287-294　2007/03　Research paper (scientific journal)

In-Process Control of Weld Distortion by Using Phase Transformation Effects

Y. Mikami, M. Mochizuki, M. Toyoda

Mathematical Modelling of Weld Phenomena 8, Edited by H. Cerjak, TU Graz Publishing, Graz, Austria　Vol. 8　p. 981-1001　2007/03　Research paper (scientific journal)

Effect of Characteristics of Transformation Expansion of Weld Metals on Angular Distortion Behavior of Welded Joints:- Welding Angular Distortion Control by Transformation Expansion of Weld Metals (Report 2) -

MIKAMI Yoshiki, MOCHIZUKI Masahito, TOYODA Masao

QUARTERLY JOURNAL OF THE JAPAN WELDING SOCIETY　Vol. 25　No. 1　p. 59-67　2007/02　Research paper (scientific journal)

Effect of Heat Input Condition on Reduction of Angular Distortion by Transformation Expansion of Weld Metals:-Welding Distortion Control by Transformation Expansion of Weld Metals (Report 3) -

MIKAMI Yoshiki, MOCHIZUKI Masahito, TOYODA Masao

QUARTERLY JOURNAL OF THE JAPAN WELDING SOCIETY　Vol. 25　No. 1　p. 68-73　2007/02　Research paper (scientific journal)

Reduction of Angular Distortion by Transformation Expansion of Weld Metals in Joints with External Restraints:- Welding Angular Distortion Control by Transformation Expansion of Weld Metals (Report 4) -

MIKAMI Yoshiki, MOCHIZUKI Masahito, TOYODA Masao

QUARTERLY JOURNAL OF THE JAPAN WELDING SOCIETY　Vol. 25　No. 1　p. 74-79　2007/02　Research paper (scientific journal)

Study on Angular Distortion Reduction by Temperature Distribution Control Using Back Heating Source:- Studies on Welding Distortion Control by Temperature Distribution Control Using Multiple Heat Sources (Report 2) -

OKANO Shigetaka, MOCHIZUKI Masahito, TOYODA Masao

QUARTERLY JOURNAL OF THE JAPAN WELDING SOCIETY　Vol. 25　No. 1　p. 95-105　2007/02　Research paper (scientific journal)

Control of welding residual stress for ensuring integrity against fatigue and stress-corrosion cracking

Masahito Mochizuki

Nuclear Engineering and Design　Vol. 237　No. 2　p. 107-123　2007/01　Research paper (scientific journal)

Numerical analysis method considering modeling for morphology of microstructure and deformation in close vicinity to grain boundary for evaluation of strength characteristics of steels

Ryota Higuchi, Masahito Mochizuki, Masao Toyoda

Zairyo/Journal of the Society of Materials Science, Japan　Vol. 55　No. 12　p. 1117-1124　2006/12　Research paper (scientific journal)

MAG溶接によるT継手完全溶込み溶接技術の開発

安田修, 永木勇人, 望月正人

鋼構造年次論文報告集　Vol. 14　p. 661-666　2006/11　Research paper (scientific journal)

Evaluation of through thickness residual stress in multipass butt welded joint by using inherent strain

M. Mochizuki

Science and Technology of Welding and Joining　Vol. 11　No. 5　p. 496-501　2006/09　Research paper (scientific journal)

Numerical simulations of weld hardness distributions in ultra-narrow gap GMA welding. Evaluation of weld hardness distributions by numerical simulations of welding thermal cycles and microstructural phase fractions (1^st report)

Y. Mikami, M. Mochizuki, M. Toyoda, T. Nakamura, K. Hiraoka

Welding International　Vol. 20　No. 9　p. 677-683　2006/09/01　Research paper (scientific journal)

Evaluation of microstructural phase fractions and hardness distributions of weld metal subjected to multiple thermal cycles. Evaluation of weld hardness distributions by numerical simulations of welding thermal cycles and microstructural phase fractions (2^nd report)

Y. Mikami, M. Mochizuki, M. Toyoda, Y. Hashiba, T. Hasegawa, S. Okita

Welding International　Vol. 20　No. 9　p. 684-691　2006/09/01　Research paper (scientific journal)

Surface crack propagation analysis under residual stress field

M. Mochizuki, K. Miyazaki

Welding in the World　Vol. 50　No. 5-6　p. 38-45　2006/06　Research paper (scientific journal)

Fracture toughness of structural aluminium alloy thick plate joints by friction stir welding

M. Mochizuki, M. Inuzuka, H. Nishida, K. Nakata, M. Toyoda

Science and Technology of Welding and Joining　Vol. 11　No. 3　p. 366-370　2006/05　Research paper (scientific journal)

Fundamental study of thermal stress generation during welding heat cycles. Studies on numerical simulation of temperature, microstructure and thermal stress histories during welding, and their application to welded structures

M. Mochizuki, S. Matsushima, M. Toyoda, C. Thaulow

Welding Research Abroad　Vol. 52　No. 5　p. 14-22　2006　Research paper (scientific journal)

Effects of Residual Stress Distribution and Geometry of Components on Stress Intensity Factor and Crack Growth Behavior of Surface Crack-Evaluation of SCC Growth under Residual Stress Field (Report 2)-:- Evaluation of SCC Growth under Residual Stress Field (Report 2) -

MIYAZAKI Katsumasa, MOCHIZUKI Masahito

QUARTERLY JOURNAL OF THE JAPAN WELDING SOCIETY　Vol. 24　No. 1　p. 78-86　2006

Effects of Distance from Center of a Weld to Fixed End on Residual Stress and Stress Intensity Factor of a Piping Weld-Evaluation of SCC Growth under Residual Stress Field (Report 1)-:- Evaluation of SCC Growth under Residual Stress Field (Report 1) -

MIYAZAKI Katsumasa, NUMATA Masanori, SAITO Koichi, MOCHIZUKI Masahito

QUARTERLY JOURNAL OF THE JAPAN WELDING SOCIETY　Vol. 24　No. 1　p. 70-77　2006

Metallurgical and mechanical heterogeneity in weld materials considering multiple heat cycles and phase transformation

Masao Toyoda, Masahito Mochizuki, Yoshiki Mikami

Materials Science Forum, ISBN: 0-87849-996-2　Vol. 512　p. 19-24　2006　Research paper (scientific journal)

Application of numerical simulation considering the effect of phase transformation to the estimation of hardness distribution in welds

Yoshiki Mikami, Masahito Mochizuki, Terumi Nakamura, Kazuo Hiraoka, Masao Toyoda

Materials Science Forum, ISBN: 0-87849-996-2　Vol. 512　p. 379-382　2006　Research paper (scientific journal)

Thermal Conductivity Theoretical Examination Concerning Characteristics of Welding Distortion Produced by Multiple Heat Sources: Studies on Welding Distortion Control by Temperature Distribution Control Using Multiple Heat Sources (Report 1)-:- Studies on Welding Distortion Control by Temperature Distribution Control Using Multiple Heat Sources (Report 1) -

OKANO Shigetaka, MOCHIZUKI Masahito, TOYODA Masao

QUARTERLY JOURNAL OF THE JAPAN WELDING SOCIETY　Vol. 24　No. 4　p. 324-330　2006

Measurement and Numerical Simulation of Angular Distortion of Fillet Welded T-joints-Welding Angular Distortion Control by Transformation Expansion of Weld Metals (Report 1)-:—Welding Angular Distortion Control by Transformation Expansion of Weld Metals (Report 1)—

MIKAMI Yoshiki, MORIKAGE Yasushi, MOCHIZUKI Masahito, TOYODA Masao

QUARTERLY JOURNAL OF THE JAPAN WELDING SOCIETY　Vol. 24　No. 4　p. 312-323　2006

Study of residual stress distribution at start-finish point of circumferential welding studied by 3D-FEM analysis

M. Mochizuki, J. Katsuyama, R. Higuchi, M. Toyoda

Welding in the World　Vol. 49　No. 11-12　p. 40-49　2005/12　Research paper (scientific journal)

Evaluation of Fraction of Microstructure and Hardness Distribution in Weld Metal Subjected to Multiple Thermal Cycles-Evaluation of Hardness Distribution in Welds by Numerical Simulation of Weld Thermal Cycles and Fraction of Microstructure (Report 2)-:-Evaluation of Hardness Distribution in Welds by Numerical Simulation of Weld Thermal Cycles and Fraction of Microstructure (Report 2)-

MIKAMI Yoshiki, MOCHIZUKI Masahito, HASHIBA Yuji, HASEGAWA Toshiei, OHKITA Shigeru, TOYODA Masao

QUARTERLY JOURNAL OF THE JAPAN WELDING SOCIETY　Vol. 23　No. 4　p. 564-570　2005/11

Numerical Simulation of Hardness Distribution in Welds of Ultra-Narrow Gap GMA Welding-Evaluation of Hardness Distribution in Welds by Numerical Simulation of Weld Thermal Cycles and Fraction of Microstructure (Report 1)-:-Evaluation of Hardness Distribution in Welds by Numerical Simulation of Weld Thermal Cycles and Fraction of Microstructure (Report 1)-

MIKAMI Yoshiki, MOCHIZUKI Masahito, NAKAMURA Terumi, HIRAOKA Kazuo, TOYODA Masao

QUARTERLY JOURNAL OF THE JAPAN WELDING SOCIETY　Vol. 23　No. 4　p. 558-563　2005/11

保全学構築/体系化 社会からの要求と規格・基準

宮 健三, 望月 正人

保全学　Vol. 4　No. 2　p. 7-14　2005/07

Reduction of welding deformation with twin beams method -study of deformation behavior by laser welding in micron or sub-micron levelin automobile parts (report 3)

Hideaki Shirai, Mamoru Urushizaki, Masahito Mochizuki, Masao Toyoda

Yosetsu Gakkai Ronbunshu/Quarterly Journal of the Japan Welding Society　Vol. 23　No. 1　p. 137-142　2005/02　Research paper (scientific journal)

Study on residual stress reduction by using phase transformation phenomena in welding material - Studies on numerical simulation of temperature, microstructure, and thermal stress histories during welding process and their application to welded structures (report 2)

Masahito Mochizuki, Shogo Matsushima, Yasushi Morikage, Takahiro Kubo, Masao Toyoda

Yosetsu Gakkai Ronbunshu/Quarterly Journal of the Japan Welding Society　Vol. 23　No. 1　p. 112-121　2005/02　Research paper (scientific journal)

Fundamental Study on Thermal Stress Generation during Simulated Welding Heat Cycles:—Studies on Numerical Simulation of Temperature, Microstructure, and Thermal Stress Histories during Welding Process and Their Application to Welded Structures (Report 1)—

MOCHIZUKI Masahito, MATSUSHIMA Shogo, Thaulow Christian, TOYODA Masao

QUARTERLY JOURNAL OF THE JAPAN WELDING SOCIETY　Vol. 23　No. 1　p. 103-111　2005/02

Fundamental study of thermal stress generation during welding heat cycles. Studies on numerical simulation of temperature, microstructure and thermal stress histories during welding, and their application to welded structures

M. Mochizuki, S. Matsushima, M. Toyoda, C. Thaulow

Welding International　Vol. 19　No. 9　p. 702-710　2005

Reduction of welding deformation by the twin beams method. A study of deformation behaviour due to laser welding of automotive parts at micron or submicron level

H. Shirai, M. Urushizaki, M. Mochizuki, M. Toyoda

Welding International　Vol. 19　No. 9　p. 711-716　2005　Research paper (scientific journal)

Study of Residual Stress Reduction in Welded Joints Using Phase Transformation Behaviour of Welding Material, Studies on Numerical Simulation of Temperature, Microstructure, and Thermal Stress Histories during Welding and Their Application to Welded St・・・

Welding International, Vol. 19, No. 10, pp. 773-782　Vol. 19　No. 10　p. 773-782　2005

Challenge to Active In-Process Control of Welding Distortion

M. Mochizuki, M. Toyoda

Mathematical Modelling of Weld Phenomena 7, Edited by H. Cerjak, TU Graz Publishing, Graz, Austria, ISBN 3-901351-99-X　Vol. 7　p. 697-711　2005

Numerical Simulation of Stress-Strain Relation and Ductile-to-Brittle Transition in Welded Joints Subjected to Different Strain Rate

M. Mochizuki

Mathematical Modelling of Weld Phenomena 7, Edited by H. Cerjak, TU Graz Publishing, Graz, Austria, pp. 435-461　Vol. 7　p. 435-461　2005

Active in-process control of welding distortion by reverse-side heating

Masahito Mochizuki, Baek An Gyu, Masao Toyoda

Key Engineering Materials　Vol. 297-300 IV　No. XIII/XV-RSDP-86-03　p. 2784-2789　2005　Research paper (international conference proceedings)

Effect of strength mismatch on ductile crack initiation behavior from notch root under static loading

Gyu Baek An, Mituru Ohata, Masahito Mochizuki, Han Sur Bang, Masao Toyoda

Key Engineering Materials　Vol. 297-300 II　p. 756-761　2005　Research paper (international conference proceedings)

The effect of beam profile at a focal point on welding deformation. A study of the deformation behaviour by laser welding at micron or submicron level in automobile parts

H. Shirai, M. Urushizaki, M. Mochizuki, M. Toyoda

Welding International　Vol. 19　No. 9　p. 681-686　2005

Effect of beam profile at focal point on welding deformation - Study of deformation behavior by laser welding in micron or sub-micron level in automobile parts (report 2)

Hideaki Shirai, Mamoru Urushizaki, Masahito Mochizuki, Masao Toyoda

Yosetsu Gakkai Ronbunshu/Quarterly Journal of the Japan Welding Society　Vol. 22　No. 4　p. 509-514　2004/11　Research paper (scientific journal)

Investigation of effective damage evaluation under repeated prestraining of tension and compression in 780MPa class High tensile strength steel plate - Studies of safety against fracture on 780MPa class high tensile strength steel plate after prestrain (report 3)

Tomoya Kawabata, Kazushige Arimochi, Mitsuru Ohata, Masahito Mochizuki, Masao Toyoda

Yosetsu Gakkai Ronbunshu/Quarterly Journal of the Japan Welding Society　Vol. 22　No. 4　p. 515-523　2004/11　Research paper (scientific journal)

Analytical Study on Deformation and Strength in HAZ-Softened Weld Joints of Fine-Grained Steels

M. Mochizuki

Welding in the World　Vol. 48　No. 9/10　p. 2-12　2004/10

Numerical Simulation of Microstructure and Distortion in Welded Components

International Seminar on Weld Simulation, Munich, Germany　2004/09

Analysis of bending deformation behaviour during circumferential welding of cylindrical parts: Study of deformation behaviour at micron to sub-micron level of laser-welded automotive parts

H. Shirai, M. Urushizaki, S. Sawamoto, M. Mochizuki, M. Toyoda

Welding International　Vol. 18　No. 8　p. 626-634　2004/08　Research paper (scientific journal)

Analytical study on the effects of welding deposition sequence on microstructure and hardness in beam-to-column welded connection of steel framed structures

M. Mochizuki, Y. Mikami, M. Toyoda

Welding Research Abroad　Vol. 50　No. 6-7　p. 1-9　2004/06　Research paper (scientific journal)

Effects of welding multiple heat cycles on joint performance in beam-to-column welded connection of steel framed structures

M. Mochizuki, M. Toyoda

Welding International　Vol. 18　No. 3　p. 173-180　2004/03　Research paper (scientific journal)

Analytical study on the effects of welding deposition sequence on microstructure and hardness in beam-to-column welded connection of steel framed structures

M. Mochizuki, Y. Mikami, M. Toyoda

Welding International　Vol. 18　No. 2　p. 103-111　2004/02　Research paper (scientific journal)

Control of mechanical properties in structural steel welds by numerical simulation of coupling among temperature, microstructure, and macro-mechanics

Masao Toyoda, Masahito Mochizuki

Science and Technology of Advanced Materials　Vol. 5　No. 1-2　p. 255-266　2004/01　Research paper (scientific journal)

Thermal stress history in high-tensile strength steels during weld process

M. Mochizuki, M. Toyoda

Journal De Physique. IV　Vol. 120　p. 635-648　2004　Research paper (international conference proceedings)

Residual Stress and Distortion by Pipeline Welding

M. Mochizuki, M. Toyoda

Pipeline Technology, Edited by R. Denys, Scientific Surveys Ltd, Beaconsfield, United Kingdom, ISBN 0-901360-34-1, Vol. 2, pp. 897-915　Vol. Vol. 2, pp. 897-915/,　2004

Analytical Examination of Ductile Crack Initiation with Strength Mismatch under Dynamic Loading - Criterion for Ductile Crack Initiation Effect of Strength Mismatch and Dynamic Loading

Gyu-Baek An, Mitsuru Ohata, Masahito Mochizuki, Han-Sur Bang, Masao Toyoda

Journal of the Korean Welding Society (in Korean), Vol. 21, No. 7, pp. 755-764　2003/12

Investigation on enhancement of uniform elongation in 780 MPa class high tensile strength steel plate - Studies of safety against fracture on 780 MPa class high tensile strength steel plate after prestrain (report 2)

Tomoya Kawabata, Kazushige Arimochi, Mitsuru Ohata, Masahito Mochizuki, Masao Toyoda

Yosetsu Gakkai Ronbunshu/Quarterly Journal of the Japan Welding Society　Vol. 21　No. 3　p. 433-441　2003/08　Research paper (scientific journal)

Deformation and ductile crack initiation in weld HAZ softening joints - Studies on deformation and strength in welded joints of fine grain steel (report 3)

Tatsuya Shintomi, Yoshikazu Hashimoto, Ichiro Chikushi, Masahito Mochizuki, Masao Toyoda

Yosetsu Gakkai Ronbunshu/Quarterly Journal of the Japan Welding Society　Vol. 21　No. 3　p. 411-418　2003/08　Research paper (scientific journal)

Prediction of tensile strength of welded joints for fine grain steel with softened HAZ - Studies on deformation and strength in welded joints of fine grain steel (report 2)

Tatsuya Shintomi, Ichiro Chikushi, Yoshikazu Hashimoto, Masahito Mochizuki, Masao Toyoda

Yosetsu Gakkai Ronbunshu/Quarterly Journal of the Japan Welding Society　Vol. 21　No. 3　p. 404-410　2003/08　Research paper (scientific journal)

Effect of weld HAZ softening on tensile strength - Studies on deformation and strength in welded joints of fine grain steel (report 1)

Tatsuya Shintomi, Ichiro Chikushi, Yoshikazu Hashimoto, Mitsuru Ohata, Masahito Mochizuki, Masao Toyoda

Yosetsu Gakkai Ronbunshu/Quarterly Journal of the Japan Welding Society　Vol. 21　No. 3　p. 397-403　2003/08　Research paper (scientific journal)

Analysis of bending deformation behavior in cylindrical parts by circumferential welding - Study of deformation behavior by laser welding in micron or sub-micron level in automobile parts (report 1)

Hideaki Shirai, Mamoru Urushizaki, Setsuo Sawamoto, Masahito Mochizuki, Masao Toyoda

Yosetsu Gakkai Ronbunshu/Quarterly Journal of the Japan Welding Society　Vol. 21　No. 3　p. 389-396　2003/08　Research paper (scientific journal)

Analytical Study on Effects of Microscopic Heterogeneity on Crack Generation in Ferrite/Martensite Dual-Phase Steels

Masahito Mochizuki, Masaru Kohara, Hiroshi Shimanuki, Yukito Hagiwara, Masao Toyoda

Zairyo/Journal of the Society of Materials Science, Japan　Vol. 52　No. 8　p. 939-945　2003/08

Crack Initiation and Propagation in Ferrite/Martensite Dual-Phase Steel with Microscopic Heterogeneity by Fracture Toughness Tests

Masahito Mochizuki, Masaru Kohara, Hiroshi Shimanuki, Yukito Hagiwara, Masao Toyoda

Zairyo/Journal of the Society of Materials Science, Japan　Vol. 52　No. 8　p. 932-938　2003/08　Research paper (scientific journal)

Analytical study on effects of welding deposition sequence on microstructure and hardness in beam-to-column welded connection of steel framed structures - Studies on relation between joint performance and welding heat cycles in welded joints (report 2)

Masahito Mochizuki, Yoshiki Mikami, Masao Toyoda

Yosetsu Gakkai Ronbunshu/Quarterly Journal of the Japan Welding Society　Vol. 21　No. 1　p. 54-61　2003/02　Research paper (scientific journal)

Effects of welding multiple heat cycles on joint performance in beam-to-column welded connection of steel framed structures - Studies on relation between joint performance and welding heat cycles in welded joints (Report 1)

Masahito Mochizuki, Masao Toyoda

Yosetsu Gakkai Ronbunshu/Quarterly Journal of the Japan Welding Society　Vol. 21　No. 1　p. 46-53　2003/02　Research paper (scientific journal)

Characteristics of Strength and Fracture in Strength Mismatched Joint by Dynamic Loading

Journal of the Korean Welding Society　Vol. 21　No. 6　p. 661-669　2003

Thermal Elastic-Plastic Analysis of Strength Considering Temperature Rise due to Plastic Deformation by Dynamic Loading in Welded Joint

Journal of the Korean Welding Society　Vol. 21　No. 3　p. 324-333　2003

数値シミュレーションによる溶接継手部の機械的性質の評価

鋼構造年次論文報告集　Vol. 10　p. 35-42　2002/11

Behavior of Deformation in 780MPa Class High Tensile Strength Steel Plate After Prestrain. Studies of Safety Against Fracture on 780MPa Class High Tensile Strength Steel Plate After Prestrain. (Report 1).:—Studies of Safety Against Fracture on 780 MPa Class High Tensile Strength Steel Plate After Prestrain (Report 1)—

KAWABATA Tomoya, ARIMOCHI Kazushige, OHATA Mitsuru, MOCHIZUKI Masahito, TOYODA Masao

QUARTERLY JOURNAL OF THE JAPAN WELDING SOCIETY　Vol. 20　No. 3　p. 398-407　2002/08　Research paper (scientific journal)

Analysis of stress intensity factor due to surface crack propagation in residual stress fields caused by welding (Comparison of influence function method and inherent strain analysis)

Katsumasa Miyazaki, Masahito Mochizuki, Satoshi Kanno, Makoto Hayashi, Masaki Shiratori, Qiang Yu

JSME International Journal, Series A: Solid Mechanics and Material Engineering　Vol. 45　No. 2　p. 199-207　2002/04　Research paper (scientific journal)

Analysis of deformation behavior of pipe under laser welding

Hideaki Shirai, Setsuo Sawamoto, Takafumi Sato, Masao Toyoda, Masahito Mochizuki

ICALEO 2002 - 21st International Congress on Applications of Laser and Electro-Optics, Congress Proceedings　2002　Research paper (international conference proceedings)

Strength and fracture properties of undermatched joints under dynamic loading study of dynamic deformation and fracture properties of welded joints with strength heterogeneity (Report 2)

M. Mochizuki, G. B. An, M. Toyoda, T. Omura

Welding International　Vol. 16　No. 5　p. 376-384　2002　Research paper (scientific journal)

Thermal elastic‐plastic stress‐strain analysis considering temperature rise due to plastic deformation under dynamic loading in undermatched joints study of dynamic deformation and fracture properties of welded joints with strength heterogeneity (Report 1)

M. Mochizuki, G. B. An, M. Toyoda, T. Omura

Welding International　Vol. 16　No. 5　p. 366-375　2002　Research paper (scientific journal)

Numerical Simulation of Welding Heat Cycles during Multi-Pass Welding and their Effects on Joint Performance

M. Mochizuki, M. Toyoda, P. Pasquale, C. Veneziano, W. Burget

Mathematical Modelling of Weld Phenomena 6, Edited by H. Cerjak, Series Edited by H. K. D. H. Bhadeshia, Maney Publishing, London, United Kingdom, ISBN 1-902653-56-4　Vol. 6　No. 4-3　p. 678-683　2002

Residual stress control for assuring integrity against fatigue and stress-corrosion cracking in welded components

M Mochizuki, K Enomoto, M Toyoda

Mathematical Modelling of Weld Phenomena 6　Vol. 6　p. 539-571　2002　Research paper (international conference proceedings)

Strength and Fracture in Undermatched Joint by Dynamic Loading. Studies on Characteristics of Dynamic Deformation and Fracture in Welded Joint with Strength Heterogeneity. Report 2.:Studies on Characteristics of Dynamic Deformation and Fracture in Welded Joint with Strength Heterogeneity (Report 2)

MOCHIZUKI Masahito, AN Gyu-Baek, OHMURA Takeshi, TOYODA Masao

QUARTERLY JOURNAL OF THE JAPAN WELDING SOCIETY　Vol. 19　No. 3　p. 547-555　2001/08　Research paper (scientific journal)

Thermal Elastic-Plastic Stress and Strain Analysis Considering Temperature Rise due to Plastic Deformation by Dynamic Loading in Undermatched Joint. Studies on Characteristics of Dynamic Deformation and Fracture in Welded Joint with Strength Heterogeneity. Report 1.:Studies on Characteristics of Dynamic Deformation and Fracture in Welded Joint with Strength Heterogeneity (Report 1)

MOCHIZUKI Masahito, AN Gyu-Baek, OHMURA Takeshi, TOYODA Masao

QUARTERLY JOURNAL OF THE JAPAN WELDING SOCIETY　Vol. 19　No. 3　p. 537-546　2001/08　Research paper (scientific journal)

Numerical Analysis of Residual Stress in Welded Structures Using Inherent Strain

M. Mochizuki, M. Toyoda

Mathematical Modelling of Weld Phenomena 5, Edited by H. Cerjak, Series Edited by H. K. D. H. Bhadeshia, IOM Communications, London, United Kingdom, ISBN 1-86125-115-7　Vol. 5　p. 549-580　2001

アルミニウム合金溶接継手の溶接変形特性と先行加熱法によるインプロセス制御 (特集:アルミニウム溶接における変形と残留応力)

望月 正人, 大畑 充, 竹野 親二

軽金属溶接　Vol. 38　No. 11　p. 536-543　2000/11

Residual stress distribution depending on welding sequence in multi-pass welded joints with X-shaped groove

Masahito Mochizuki, Makoto Hayashi, Toshio Hattori

Journal of Pressure Vessel Technology, Transactions of the ASME　Vol. 122　No. 1　p. 27-32　2000/02　Research paper (scientific journal)

Modeling of helium bubble formation during welding of irradiated stainless steels

Tsuneyuki Hashimoto, Masahito Mochizuki

ASTM Special Technical Publication　No. 1366　p. 973-987　2000　Research paper (international conference proceedings)

Residual stress reduction and fatigue strength improvement by controlling welding pass sequences

Masahito Mochizuki, Toshio Hattori, Kimiaki Nakakado

Journal of Engineering Materials and Technology, Transactions of the ASME　Vol. 122　No. 1　p. 108-112　2000/01　Research paper (scientific journal)

Numerical analysis of welding residual stress and its verification using neutron diffraction measurement

Masahito Mochizuki, Makoto Hayashi, Toshio Hattori

Journal of Engineering Materials and Technology, Transactions of the ASME　Vol. 122　No. 1　p. 98-103　2000/01　Research paper (scientific journal)

Residual stress analysis by simplified inherent strain at welded pipe junctures in a pressure vessel

M. Mochizuki, M. Hayashi, T. Hattori

Journal of Pressure Vessel Technology, Transactions of the ASME　Vol. 121　No. 4　p. 353-357　1999/11　Research paper (scientific journal)

Comparison of five evaluation methods of residual stress in a welded pipe joint

M Mochizuki, M Hayashi, T Hattori

JSME INTERNATIONAL JOURNAL SERIES A-SOLID MECHANICS AND MATERIAL ENGINEERING　Vol. 42　No. 1　p. 104-110　1999/01　Research paper (scientific journal)

Analysis of stress intensity factor due to surface crack propagation by using influence function method and inherent strain analysis in residual stress fields caused by welding

Katsumasa Miyazaki, Satoshi Kanno, Masahito Mochizuki, Makoto Hayashi, Masaki Shiratori, Qiang Yu

Nihon Kikai Gakkai Ronbunshu, A Hen/Transactions of the Japan Society of Mechanical Engineers, Part A　Vol. 65　No. 636　p. 1709-1715　1999　Research paper (scientific journal)

A Simplified Method for Residual Stress Analysis in Welded Structures with Complicated Shape.

MOCHIZUKI Masahito, HAYASHI Makoto

Journal of High Pressure Institute of Japan　Vol. 37　No. 1　p. 27-37　1999/01

Simplified analysis of welding residual stress in a box structure fabricated with plural welded joints

Masahito Mochizuki, Toshio Hattori, Munetoshi Zen, Junji Yamamoto, Kimiaki Nakakado

Nihon Kikai Gakkai Ronbunshu, A Hen/Transactions of the Japan Society of Mechanical Engineers, Part A　Vol. 65　No. 633　p. 989-995　1999　Research paper (scientific journal)

Comparison of five evaluation methods of residual stress in a welded pipe joint

Masahito Mochizuki, Makoto Hayashi, Toshio Hattori

JSME International Journal, Series A: Solid Mechanics and Material Engineering　Vol. 42　No. 1　p. 104-110　1999　Research paper (scientific journal)

Improvement of fatigue strength through residual stress reduction by controlling the sequence of welding pass

Masahito Mochizuki, Munetoshi Zen, Toshio Hattori, Michihiro Watanabe, Kimiaki Nakakado, Akira Hashimoto

Nihon Kikai Gakkai Ronbunshu, A Hen/Transactions of the Japan Society of Mechanical Engineers, Part A　Vol. 64　No. 626　p. 2514-2520　1998　Research paper (scientific journal)

Welding Residual Stress Estimation by Inherent Strain Analysis and Thermal Elastic Plastic Analysis and Its Verification Using Neutron Diffraction Measurement

MOCHIZUKI Masahito, HAYASHI Makoto, HATTORI Toshio

TRANSACTIONS OF THE JAPAN SOCIETY OF MECHANICAL ENGINEERS Series A　Vol. 63　No. 612　p. 1675-1680　1997/08/25

A simplified analysis of residual stress at welded joints between plate and penetrating pipe

Masahito Mochizuki, Makoto Hayashi, Masaki Nakagawa, Nobuo Tada, Sadato Shimizu

JSME International Journal, Series A: Mechanics and Material Engineering　Vol. 40　No. 1　p. 8-14　1997/01　Research paper (scientific journal)

Effect of Welding Sequence on Residual Stress in Multi-Pass Butt-Welded Pipe Joints

MOCHIZUKI Masahito, HAYASHI Makoto, HATTORI Toshio

TRANSACTIONS OF THE JAPAN SOCIETY OF MECHANICAL ENGINEERS Series A　Vol. 62　No. 604　p. 2719-2725　1996/12/25　Research paper (scientific journal)

Improvement of residual stress on material surface by water jet peening

Kunio Enomoto, Katsuhiko Hirano, Masahito Mochizuki, Koichi Kurosawa, Hideyo Saito, Eisaku Hayashi

Zairyo/Journal of the Society of Materials Science, Japan　Vol. 45　No. 7　p. 734-739　1996/07　Research paper (scientific journal)

Residual Stress Estimation at Welded Joint of a Pipe Penetrating a Thick Plate

MOCHIZUKI Masahito, HAYASHI Makoto, NAKAGAWA Masaki, TADA Nobuo, SHIMIZU Sadato

TRANSACTIONS OF THE JAPAN SOCIETY OF MECHANICAL ENGINEERS Series A　Vol. 62　No. 597　p. 1250-1255　1996/05/25

Study on Residual Stress at Butt-Welded Pipe Joints and Plate Joints Using Inherent Strain Analysis

MOCHIZUKI Masahito, SAITO Naoto, SAKATA Shinji, UOZUMI Hiroto

TRANSACTIONS OF THE JAPAN SOCIETY OF MECHANICAL ENGINEERS Series A　Vol. 62　No. 595　p. 808-813　1996/03/25

Study on Internal Residual Stress of Multi-Pass Butt-Welded Plate Joint Using Inherent Strain Analysis

MOCHIZUKI Masahito, SAITO Naoto, ENOMOTO Kunio, SAKATA Shinji, SAITO Hideyo

TRANSACTIONS OF THE JAPAN SOCIETY OF MECHANICAL ENGINEERS Series A　Vol. 61　No. 587　p. 1568-1573　1995/07/25　Research paper (scientific journal)

Generation of welding residual stress when a pipe penetrates a thick plate

M. Mochizuki, K. Enomoto, N. Okamoto, H. Saito, E. Hayashi

Welding International　Vol. 9　No. 7　p. 538-545　1995　Research paper (scientific journal)

Study on Production Mechanism of Welding Residual Stress at the Juncture of a Pipe Penetrating a Thick Plate.

Mochizuki Masahito, Enomoto Kunio, Okamoto Noriaki, Saitoh Hideyo, Hayashi Eisaku

QUARTERLY JOURNAL OF THE JAPAN WELDING SOCIETY　Vol. 12　No. 4　p. 561-567　1994

Welding residual stresses at the intersection of a small diameter pipe penetrating a thick plate

Masahito Mochizuki, Kunio Enomoto, Noriaki Okamoto, Hideyo Saito, Eisaku Hayashi

Nuclear Engineering and Design　Vol. 144　No. 3　p. 439-447　1993/11/01　Research paper (scientific journal)

Experimental verification of a method for prediction of welding residual stresses in T joints using inherent strains 4th report: Method for prediction using source of residual stress

Y. Ueda, M. G. Yuan, M. Mochizuki, S. Umezawa, K. Enomoto

Welding International　Vol. 7　No. 11　p. 863-869　1993/01/01　Research paper (scientific journal)

A Predicting Method of Welding Residual Stress Using Source of Residual Stress. Report 4. Experimental Verification for Predicting Method of Welding Residual Stresses in T-joints Using Inherent Strains.:A Predicting Method of Welding Residual Stress Using Source of Residual Stress (Report 4)

Ueda Yukio, Yuan Min Gang, Mochizuki Masahito, Umezawa Sadao, Enomoto Kunio

QUARTERLY JOURNAL OF THE JAPAN WELDING SOCIETY　Vol. 11　No. 2　p. 327-333　1993　Research paper (scientific journal)

Fracture behavior of ceramic coating produced by detonation method under biaxial stresses.

HOSHIDE Toshihiko, MOCHIDUKI Masahito, INOUE Tatsuo

Journal of the Society of Materials Science, Japan　Vol. 39　No. 439　p. 387-392　1990　Research paper (scientific journal)