顔写真

PHOTO

Shoji Hiroto
庄司 博人
Shoji Hiroto
庄司 博人
Graduate School of Engineering Division of Materials and Manufacturing Science,Associate Professor (Lecturer)

Research History 3

  1. 2025/04 - Present
    The University of Osaka Graduate School of Engineering Associate Professor (Lecturer)

  2. 2017/02 - 2025/03
    Osaka University Graduate School of Engineering Assistant Professor

  3. 2015/09 - 2017/01
    Osaka University Graduate School of Engineering

Education 3

  1. Osaka University Graduate School of Engineering

    2012/04 - 2015/08

  2. Osaka University Graduate School of Engineering

    2010/04 - 2012/03

  3. Osaka University School of Engineering

    2006/04 - 2010/03

Committee Memberships 6

  1. 溶接学会 溶接構造研究委員会 委嘱委員 Academic society

    2018/06 - Present

  2. 溶接学会若手会員の会 グローバルネットワーク関係活動委員

    2022/04 - 2024/03

  3. 溶接学会 若手会員の会 委員長 Academic society

    2020/05 - 2022/04

  4. 日本溶接協会 鉄鋼部会CRB委員会 委員 Academic society

    2018/07 - 2021/12

  5. 溶接学会 若手会員の会 副委員長 Academic society

    2018/06 - 2020/02

  6. 溶接学会 若手会員の会 委員 Academic society

    2017/04 - 2018/02

Professional Memberships 3

  1. 日本機械学会

  2. 日本鉄鋼協会

  3. 溶接学会

Research Areas 3

  1. Nanotechnology/Materials / Material fabrication and microstructure control /

  2. Nanotechnology/Materials / Structural and functional materials /

  3. Manufacturing technology (mechanical, electrical/electronic, chemical engineering) / Machine materials and mechanics /

Awards 8

  1. 核融合炉工学共同研究優秀賞

    大畑充, 庄司博人, 清水万真, 加藤太一朗 国立研究開発法人 量子科学技術研究開発機構 2024/07

  2. 俵論文賞

    安富隆, 川田裕之, 海藤宏志, 桜田栄作, 米村繁, 樋渡俊二, 庄司博人, 大畑充 日本鉄鋼協会 2024/03

  3. 溶接学会論文賞

    Hiroto SHOJI, Toshihiro HAYAMIZU, Koki MORI, Kento OZAKI, Hayato NAGAKI, Toru OHMAE, Dai SAGOU, Mitsuru OHATA Japan Welding Society 2023/04

  4. Best Oral Presentation Award

    Hiroto SHOJI Japan Welding Society 2020/12

  5. 溶接学会論文奨励賞

    庄司 博人 溶接学会 2016/04

  6. 俵論文賞

    大畑 充, 庄司 博人, 南 二三吉 日本鉄鋼協会 2015/03

  7. 自動車技術会大学院研究奨励賞

    庄司 博人 自動車技術会 2012/03

  8. 溶接学会奨学賞

    庄司 博人 溶接学会 2010/04

Papers 31

  1. Relationship between Ductility and Microstructure for Heat Affected Zone of Steel for Building Structure

    Toshihiro UMEDA, Kota NAKAGIKU, Hiroto SHOJI, Mitsuru OHATA

    Quarterly Journal of the Japan Welding Society Vol. 43 No. 2 p. 247-259 2025/07 Research paper (scientific journal)

  2. Ductile Damage Model for Predicting Crack Growth in Structural Component Subjected to Large Cyclic Deformation

    Hiroto SHOJI, Kota NAKAGIKU, Toshihiro UMEDA, Mitsuru OHATA

    Quarterly Journal of the Japan Welding Society Vol. 43 No. 2 p. 301-311 2025/07 Research paper (scientific journal)

  3. Temperature Dependence of Critical Weibull Stress Distribution in Ductile-to-Brittle Transition Temperature Region

    Kazuma SHIMIZU, Hiroki YAGO, Hiroto SHOJI, Mitsuru OHATA, Yasuto NAGOSHI, Takatoshi HIROTA, Kiminobu HOJO, Fumiyoshi MINAMI

    Quarterly Journal of the Japan Welding Society Vol. 43 No. 2 p. 260-271 2025/07 Research paper (scientific journal)

  4. The Effect of Hydrogen on Fracture Toughness of High Strength Linepipe Steel

    GAMO Hiroto, AZUMA Masaya, SHOJI Hiroto, SHIMIZU Kazuma, OHATA Mitsuru

    Quarterly Journal of the Japan Welding Society Vol. 43 No. 2 p. 272-282 2025/07

  5. Mechanical Properties and Fracture Characteristics in High Mn Austenitic Steel for Cryogenic Applications

    Daichi Izumi, Keiji Ueda, Hiroto Shoji, Mitsuru Ohata, Tetsuya Tagawa

    Tetsu-to-Hagane Vol. 111 No. 7 p. 368-377 2025/05/01 Research paper (scientific journal)

    Publisher: Iron and Steel Institute of Japan
  6. INFLUENCE OF THE DIFFERENCE OF DUCTILE CRACK GROWTH BEHAVIOR ON THE DEFORMATION CAPACITY OF WELDED JOINTS

    Toshihiro UMEDA, Masato TAKEUCHI, Hiroto SHOJI, Mitsuru OHATA

    Steel Construction Engineering Vol. 32 No. 125 p. 94-109 2025/03 Research paper (scientific journal)

  7. INFLUENCE OF LARGE DEFORMATION CYCLIC LOADING HISTORY ON DUCTILE CRACK GROWTH OF STEEL MEMBERS

    Toshihiro Umeda, Kota Nakagiku, Hiroto Shoji, Mitsuru Ohata

    Journal of Structural and Construction Engineering Vol. 90 No. 827 p. 144-154 2025/01 Research paper (scientific journal)

  8. Significance of fracture toughness for linear friction welded joint of weathering steel

    Kazuma Shimizu, Shota Nakayama, Hiroto Shoji, Takumi Kawakubo, Tomoya Nagira, Mitsuru Ohata, Hidetoshi Fujii

    Welding in the World Vol. 69 No. 3 p. 739-750 2024/12/26 Research paper (scientific journal)

    Publisher: Springer Science and Business Media LLC
  9. Prediction method for ductile crack initiation and growth resistance for pre-strained steel based on ductile damage model

    Mitsuru OHATA, Hiroto SHOJI, Kazuma SHIMIZU, Hiroyasu TANIGAWA, Taichiro KATO, Takashi NOZAWA

    Transactions of the JSME Vol. 89 No. 926 2023/09 Research paper (scientific journal)

  10. Modeling of Loading-path Dependent Martensitic Transformation in a Low-alloy TRIP Steel

    Takashi Yasutomi, Hiroyuki Kawata, Hiroshi Kaido, Eisaku Sakurada, Shigeru Yonemura, Shunji Hiwatashi, Hiroto Shoji, Mitsuru Ohata

    ISIJ International Vol. 63 No. 12 p. 2066-2077 2023 Research paper (scientific journal)

  11. Mesoscopic numerical study on ductile fracture in TRIP steel under reverse loading

    Takashi Yasutomi, Hiroyuki Kawata, Hiroshi Kaido, Eisaku Sakurada, Shigeru Yonemura, Hiroto Shoji, Mitsuru Ohata

    Forces in Mechanics Vol. 9 p. 100113-100113 2022/12 Research paper (scientific journal)

    Publisher: Elsevier BV
  12. Ductile Fracture Behavior for Two-phase Steel under Tensile Deformation with Strain Path Change

    Takashi Yasutomi, Takashi Matsuno, Eisaku Sakurada, Shigeru Yonemura, Hiroto Shoji, Mitsuru Ohata

    Tetsu-to-Hagane Vol. 108 No. 10 p. 772-783 2022/10 Research paper (scientific journal)

    Publisher: Iron and Steel Institute of Japan
  13. Modeling of Loading-path Dependent Martensitic Transformation in a Low-alloy TRIP Steel

    Takashi Yasutomi, Hiroyuki Kawata, Hiroshi Kaido, Eisaku Sakurada, Shigeru Yonemura, Shunji Hiwatashi, Hiroto Shoji, Mitsuru Ohata

    Tetsu-to-Hagane Vol. 108 No. 9 p. 666-678 2022/09 Research paper (scientific journal)

    Publisher: Iron and Steel Institute of Japan
  14. Identification of ductile fracture design curve for hardened quasi-brittle AISI-D2 tool steel to predict shearing tool failure

    Takashi Matsuno, Kouta Nakagiri, Tomoko Matsuda, Toshiyuki Tanaka, Takashi Yasutomi, Hiroto Shoji, Mitsuru Ohata

    Journal of Materials Processing Technology Vol. 307 p. 117680-117680 2022/09 Research paper (scientific journal)

    Publisher: Elsevier BV
  15. Evaluation of Fracture Strain for Cold Drawn Thin-Walled Steel Tubes via Small Round-Bar Tensile Test

    Takashi Matsuno, Tomoko Matsuda, Hiroto Shoji, Mitsuru Ohata

    Metals Vol. 12 No. 5 p. 776-776 2022/04/30 Research paper (scientific journal)

    Publisher: MDPI AG
  16. Simulation-Based Fracture Control Design of Knock-Off Bolts for Bridges

    SHOJI Hiroto, HAYAMIZU Toshihiro, MORI Koki, OZAKI Kento, NAGAKI Hayato, OHMAE Toru, SAGOU Dai, OHATA Mitsuru

    QUARTERLY JOURNAL OF THE JAPAN WELDING SOCIETY Vol. 40 No. 4 p. 175-185 2022

    Publisher: JAPAN WELDING SOCIETY
  17. Brittle fracture assessment of narrow weld part in steel pipe joint structure by using Weibull stress concept

    SHIMIZU Kazuma, KUBOTA Kyohei, SHOJI Hiroto, ABE Yohei, NAKATANI Mitsuyoshi, OHATA Mitsuru, MINAMI Fumiyoshi

    QUARTERLY JOURNAL OF THE JAPAN WELDING SOCIETY Vol. 40 No. 3 p. 134-148 2022

    Publisher: JAPAN WELDING SOCIETY
  18. Friction stir spot welding of aluminum and carbon fiber reinforced thermoplastic using hybrid surface treatment improving interfacial properties

    Eri Ota, Tomoki Matsuda, Hiroto Shoji, Tomo Ogura, Fumikazu Miyasaka, Tomokazu Sano, Mitsuru Ohata, Akio Hirose

    Materials & Design p. 110221-110221 2021/11 Research paper (scientific journal)

    Publisher: Elsevier BV
  19. Loading mode effect on brittle fracture resistance of cracked component under large-scale yielding

    Kazuma Shimizu, Mitsuru Ohata, Hiroto Shoji, Hiroyasu Tanigawa, Taichiro Kato

    Mechanics of Materials p. 104115-104115 2021/10 Research paper (scientific journal)

    Publisher: Elsevier BV
  20. Work Hardening and Fracture Strain Evaluation of Hardened SKD11 Steel Using Shear Punching Test

    Takashi Matsuno, Kouta Nakagiri, Hiroto Shoji, Mitsuru Ohata

    Minerals, Metals and Materials Series p. 1999-2007 2021 Research paper (international conference proceedings)

    Publisher: Springer Science and Business Media Deutschland GmbH
  21. Analysis of Local Fracture Driving Force for a Micro-crack under Combined Stress Field in Plastic Zone

    Kazuma SHIMIZU, Mitsuru OHATA, Hiroto SHOJI, Hiroyasu TANIGAWA, Taichiro KATO

    QUARTERLY JOURNAL OF THE JAPAN WELDING SOCIETY Vol. 39 No. 3 p. 171-179 2021 Research paper (scientific journal)

    Publisher: Japan Welding Society
  22. Effect of mismatch in mechanical properties on interfacial strength of aluminum alloy/steel dissimilar joints

    Tomoki Matsuda, Ryoichi Hatano, Tomo Ogura, Reo Suzuki, Hiroto Shoji, Tomokazu Sano, Mitsuru Ohata, Akio Hirose

    Materials Science and Engineering A Vol. 786 2020/06/01 Research paper (scientific journal)

  23. Influence of interfacial structure on the fracture behavior of friction stir spot welded dissimilar joints

    Tomoki Matsuda, Kiriko Owada, Asahi Numata, Hiroto Shoji, Tomokazu Sano, Mitsuru Ohata, Akio Hirose

    Materials Science and Engineering: A Vol. 772 p. 138743-138743 2020/01 Research paper (scientific journal)

    Publisher: Elsevier BV
  24. Study on identification of critical Weibull stress distribution by using miniature specimen

    SHIMIZU Kazuma, SHOJI Hiroto, KATO Taichiro, TANIGAWA Hiroyasu, OHATA Mitsuru

    Transactions of the JSME (in Japanese) 2020

    Publisher: The Japan Society of Mechanical Engineers
  25. Study on Fracture Modeling to Predict Brittle Fracture Resistance under Mixed Mode Loading

    Kazuma SHIMIZU, Hiroto SHOJI, Taichiro KATO, Hiroyasu TANIGAWA, Mitsuru OHATA

    Quarterly Journal of the Japan Welding Society Vol. 36 No. 4 p. 274-284 2018/12 Research paper (scientific journal)

    Publisher: Japan Welding Society
  26. Simulation-based method for hierarchal material design to improve ductile crack growth resistance of structural component

    Hiroto Shoji, Mitsuru Ohata, Fumiyoshi Minami

    Inernational Journal of Fracture Vol. 192 p. 167-178 2015/02 Research paper (scientific journal)

  27. Ductile fracture mechanism for dual phase steel with high strength second phase

    Hiroto Shoji, Keiichi Hino, Mitsuru Ohata, Yasuhiro Shinohara, Fumiyoshi Minami

    Yosetsu Gakkai Ronbunshu/Quarterly Journal of the Japan Welding Society Vol. 33 No. 4 p. 341-348 2015 Research paper (scientific journal)

    Publisher: Japan Welding Society
  28. Evaluation method for Charpy impact toughness of laser welds based on lateral contraction analysis

    Yasuhito Takashima, Tatsuya Nishi, Hiroto Shoji, Mitsuru Ohata, Fumiyoshi Minami

    Welding in the World Vol. 58 No. 3 p. 289-295 2014 Research paper (scientific journal)

    Publisher: Institut International de la Soudure
  29. Prediction of the effect of micro-structural characteristics of two-phase steel on ductile properties controlling ductile crack growth resistance of structural component

    Hiroto Shoji, Mitsuru Ohata, Fumiyoshi Minami

    Tetsu-To-Hagane/Journal of the Iron and Steel Institute of Japan Vol. 100 No. 5 p. 668-677 2014 Research paper (scientific journal)

    Publisher: Iron and Steel Institute of Japan
  30. Hierarchical damage simulation to correlate micro-structural characteristics of steel with ductile crack growth resistance of component

    Mitsuru Ohata, Hiroto Shoji, Fumiyoshi Minami

    13th International Conference on Fracture 2013, ICF 2013 Vol. 7 p. 6033-6042 2013 Research paper (international conference proceedings)

    Publisher: Chinese Society of Theoretical and Applied Mechanics
  31. 3D-simulation of ductile damage evolution in multi-phase steel with heterogeneous microstructures

    Mitsuru Ohata, Hiroto Shoji, Fumiyoshi Minami

    Tetsu-To-Hagane/Journal of the Iron and Steel Institute of Japan Vol. 99 No. 9 p. 573-581 2013 Research paper (scientific journal)

Misc. 46

  1. 幅広いアプローチ(BA)活動における核融合炉構造材料開発—Fusion Structural Materials Development in Broader Approach (BA) Activities

    野澤 貴史, 渡辺 淑之, 中島 基樹, 安堂 正己, 加藤 太一朗, 阮 小勇, 黒滝 宏紀, 黄 彦瑞, 谷川 博康, 鎌田 康寛, 清水 一行, 大畑 充, 庄司 博人, 清水 万真, 中田 隼矢, 鈴木 茂和, 長坂 琢也, 申 晶潔, 伊藤 隆基, 何 磊, 旭吉 雅健, 福元 謙一, 森下 和功, 陳 昱婷, 佐藤 紘一, 加藤 太治, 宮本 光貴, 岩切 宏友, 沖田 泰良, 叶野 翔, 阿部 弘亨, 近藤 創介, 笠田 竜太, 岡 弘, 柴山 環樹, 橋本 直幸, 駒崎 慎一, 遊佐 訓孝, 櫻井 浩, 鈴木 宏輔, 中里 直史, 岸本 弘立, 芹澤 久, 森 裕章, 大塚 哲平, 原 正憲, 近田 拓未

    プラズマ・核融合学会誌 = Journal of plasma and fusion research / プラズマ・核融合学会編集委員会 編 Vol. 100 No. 2 p. 77-102 2024/02

    Publisher: 名古屋 : プラズマ・核融合学会編集委員会
  2. MECHANICAL PROPERTIES OF API 5L X65 LINEPIPE AND GIRTH WELDS UNDER HIGH-PRESSURE HYDROGEN GAS ENVIRONMENT

    Yuji Kisaka, Yuki Kiyokawa, Fumiaki Kimura, Yasuhiro Kawai, Keigo Manabe, Shusuke Fujita, Hiroto Shoji, Mitsuru Ohata

    Proceedings of the Biennial International Pipeline Conference, IPC Vol. 3 2024

  3. XFEMに基づく薄鋼板部材の垂直/せん断モード延性亀裂発生・進展解析手法の提案

    庄司博人, 中井昂世, 畑本麻斗, 島貫広志, 大畑充

    溶接構造シンポジウム2023講演論文集 p. 282-292 2023/11

  4. 建築構造用鋼の熱影響部における延性と材料組織の関係

    梅田敏弘, 中菊光太, 庄司博人, 大畑充

    溶接構造シンポジウム2023講演論文集 p. 353-363 2023/11

  5. 延性-脆性遷移温度域における限界ワイブル応力分布の温度依存性に関する検討

    矢後裕基, 清水万真, 庄司博人, 大畑充, 名越康人, 廣田貴俊, 北条公伸, 南二三吉

    溶接構造シンポジウム2023講演論文集 p. 293-303 2023/11

  6. 鋼多層溶接継手の脆性亀裂伝播停止特性向上策に関する実験・解析的検討

    山野友也, 庄司博人, 大畑充, 兵間賢吾, 田辺祥大, 猪瀬幸太郎

    溶接構造シンポジウム2023講演論文集 p. 276-281 2023/11

  7. 鋼/アルミニウム合金の摩擦撹拌点接合継手の破壊挙動に及ぼす影響因子の数値シミュレーション

    WOO DONGCHUL, 中村陵馬, 清水万真, 庄司博人, 松田朋己, 大畑充, 廣瀬明夫

    溶接構造シンポジウム2023講演論文集 p. 533-537 2023/11

  8. ラインパイプ用高強度鋼の破壊靭性に及ぼす水素の影響

    蒲生大翔, 東真也, 庄司博人, 清水万真, 大畑充

    溶接構造シンポジウム2023講演論文集 p. 26-38 2023/11

  9. 高圧水素ガス環境下におけるAPI 5L X65鋼管およびその円周溶接部の機械的特性

    清川裕樹, 木坂有治, 木村文映, 河合康博, 藤田周亮, 真鍋圭吾, 庄司博人, 大畑充

    溶接構造シンポジウム2023講演論文集 p. 16-21 2023/11

  10. 耐候性鋼の線形摩擦接合継手の破壊靭性に及ぼす接合条件の影響

    中山翔太, 清水万真, 庄司博人, 大畑充, 柳樂知也, 川久保拓海, 藤井英俊

    溶接構造シンポジウム2023講演論文集 p. 266-271 2023/11

  11. Technical Commission on Welded Structure

    Mitsuyoshi Nakatani, Mitsuru Ohata, Hiroshi Shimanuki, Ninshu Ma, Yoshiki Mikami, Masakazu Shibahara, Shigetaka Okano, Kazuki Ikushima, Hiroto Shoji

    Yosetsu Gakkai Shi/Journal of the Japan Welding Society Vol. 92 No. 5 p. 334-345 2023

  12. Experiments for Evaluating Critical Condition for Ductile Cracking

    Hiroto SHOJI

    JOURNAL OF THE JAPAN WELDING SOCIETY Vol. 91 No. 4 p. 267-270 2022/06

    Publisher: Japan Welding Society
  13. Method for fracture toughness assessment by using miniature specimen

    YAGO Hiroki, SHIMIZU Kazuma, SHOJI Hiroto, OHATA Mitsuru, KUBOTA Kyohei, KATO Taichiro, NOZAWA Takashi

    Preprints of the National Meeting of JWS Vol. 2022f p. 238-239 2022

    Publisher: JAPAN WELDING SOCIETY
  14. Prediction of Fracture Behavior for Friction Stir Spot Welded joint of Steel and Aluminum Alloy based on Multi-Fracture Model

    NAKAMURA Ryoma, SHIMIZU Kazuma, SHOJI Hiroto, HIROSE Akio, OHATA Mitsuru

    Preprints of the National Meeting of JWS Vol. 2022f p. 56-57 2022

    Publisher: JAPAN WELDING SOCIETY
  15. Fracture Modeling to Predict Brittle Fracture Resistance under Mixed Mode Loading

    Kazuma SHIMIZU, Hiroto SHOJI, Mitsuru OHATA

    p. 145-148 2019/12

  16. Ductile Damage Simulation for Predicting Tensile Strain Limit for Leakage of Girth Welds of High-Pressure Pipe with Weld Flaws

    Hiroto SHOJI, Tetsuya SHIBATANI, Mitsuru OHATA, Satoshi MIKI, Fumiaki KIMURA

    2019/12

  17. Simulation-Based Fracture Control Design of Knock-Off Bolt for Bridges

    Kento OZAKI, Hayato NAGAKI, Toru OMAE, Dai SAGO, Koki MORI, Hiroto SHOJI, Mitsuru OHATA

    2019/12

  18. The full-scale tensile test for girth welded joint of X65 pipe in order to reveal the effects of weld flaw location and internal pressure on ductile fracture behavior

    Satoshi MIKI, Fumiaki KIMURA, Hiroto SHOJI, Tetuya SHIBATANI, Mitsuru OHATA

    2019/12

  19. Local Approach for Elastic-Plastic Fracture Assessment of Cracked Component under Mixed Mode Loading

    Kazuma Shimizu, Mitsuru Ohata, Hiroto Shoji, Taichiro Kato, Hiroyasu Tanigawa

    Proceedings of the 29th International Offshore and Polar Engineering Conference 2019/06

  20. Simulation-Based Design of Girth Welds of High-Pressure Pipeline to Improve Tensile Strain Limit for Leakage from Weld Flaws

    Hiroto Shoji, Tetsuya Shibatani, Mitsuru Ohata, Satoshi Miki, Kohsuke Inagaki, Fumiaki Kimura

    Proceedings of the 29th International Offshore and Polar Engineering Conference 2019/06

  21. Effects of Weld Flaw and Internal Pressure on Ductile Crack Growth of Girth Welded Joints in X65 Pipelines

    Fumiaki Kimura, Kohsuke Inagaki, Satoshi Miki, Hiroto Shoji, Tetsuya Shibatani, Mitsuru Ohata

    Proceedings of the 29th International Offshore and Polar Engineering Conference 2019/06

  22. Fracture Toughness Evaluation with Small-Size Specimen Based on the Master Curve Approach

    Mitsuru Ohata, Hiroyasu Tanigawa, Hideo Sakasegawa, Taichiro Kato, Hiroto Shoji, Kazuma Shimizu

    Proceedings of 19th International ASTM/ESIS Symposium on Fatigue and Fracture Mechanics, May 15-17, Denver, CO., USA p. 1-6 2019/05

  23. Damage Model for Predicting the Effect of Combined Stress State on Ductile Fracture

    Hiroto Shoji, Mitsuru Ohata, Daisuke Tatani, Kei Hirota, Shoma Onuki, Yasuhito Imai

    Proceedings of 19th International ASTM/ESIS Symposium on Fatigue and Fracture Mechanics, May 15-17, Denver, CO., USA p. 1-6 2019/05

  24. Numerical simulation of fracture strength in friction stir spot-welding joint between zinc coated steel and aluminum alloy

    Mitsuru Ohata, Hiroto Shoji, Akio Hirose

    Vol. 20195078 2019/05

  25. Fracture-strain measurement of steel sheets under high hydrostatic pressure

    Takashi Matsuno, Hiroto Shoji, Mitsuru Ohata

    Procedia Manufacturing Vol. 15 p. 869-876 2018/09

  26. Simulation-based Method for Prediction of Leak Limit of X65 Girth Welded Joint

    Hiroto SHOJI, Tetsuya SHIBATANI, Mitsuru OHATA, Kohsuke INAGAKI, Fumiaki KIMURA

    2017/12

  27. Evaluation Method for Material Properties of Local Area for Predicting Ductile Crack Growth of Welded Joint

    Tetsuya SHIBATANI, Hiroto SHOJI, Mitsuru OHATA, Kohsuke INAGAKI, Fumiaki KIMURA

    2017/12

  28. Effects of weld flaw location and internal pressure on ductile fracture behavior for circumferential weld joints in X65 pipelines

    Kohsuke INAGAKI, Fumiaki KIMURA, Hiroto SHOJI, Tetsuya SHIBATANI, Mitsuru OHATA

    2017/12

  29. Ductile Damage Model for Predicting the Behavior of Multi-Modal Ductile Crack Growth

    Kei HIROTA, Daisuke TATANI, Hiroto SHOJI, Mirsuru OHATA, Yasuhito IMAI, Takashi SAKANOUE

    2017/12

  30. Multi-Fracture Model to Study on the Effect of Surface Layer Toughening on the Brittle Crack Arrest Behavior

    Alisa SUGA, Hiroto SHOJI, Mitsuru OHATA, Katsuyuki ICHIMIYA, Takao AKATSUKA, Satoshi IGI, Tetsuya NAMEGAWA, Hiroshi SHIMANUKI, Tomoya KAWABATA

    2017/12

  31. Ductile Fracture Behavior with Focused on Internal Stress-Field of Ferrite-Martensite Dual-Phase Steel

    Yusuke OTA, Hiroto SHOJI, Keiichi HINO, Mitsuru OHATA, Yasuhiro SHINOHARA

    2017/12

  32. Study on Shear Fracture Behavior of Circumferentially Notched Bolt

    Koki MORI, Hiroto SHOJI, Mitsuru OHATA, Kento OZAKI, Hayato NAGAKI, Toru OMAE, Dai SAGO

    2017/12

  33. Prediction of Ductile Crack Growth for Structural Component Subjected to Large Scale Cyclic Loading

    Narumi KOTSUJI, Hiroto SHOJI, Mitsuru OHATA, Tekahisa YAMADA

    2017/12

  34. Development of Allowable Weld Flaw Size Prediction Method for Circumferential Weld Jints in High Pressure Gas Pipelines Subjected to Large Strain Deformation ~Applicability of Ductile Crack Growth Simulation ~

    Kohsuke Inagaki, Fumiaki Kimura, Masahiko Kanno, Hiroto Shoji, Mitsuru Ohata

    NIPPON STEEL & SUMIKIN ENGINEERING CO., LTD. TECHNICAL REVIEW Vol. 9 p. 32-40 2017/12

  35. Analysis of strength in friction stir spot welding of steel/aliminum alloy

    Asahi NUMATA, Hiroto SHOJI, Tomoki MATSUDA, Tomokazu SANO, Akio HIROSE, Mitsuru OHATA

    2017/12

  36. 脆性亀裂のアレスト挙動に及ぼす表層高靭化効果の解析的検討

    大畑充, 庄司博人, 一宮克行, 赤塚隆男, 伊木聡, 滑川哲也, 島貫広志, 川畑友弥

    材料とプロセス(CD-ROM) Vol. 30 No. 2 2017

  37. Development of prediction technique of fracture performance of welded joint

    Mitsuru Ohata, Hiroto Shoji, Seiichiro Tsutsumi, Tomokazu Sano

    Yosetsu Gakkai Shi/Journal of the Japan Welding Society Vol. 86 No. 1 p. 52-55 2017

    Publisher: Japan Welding Society
  38. Hierarchical Ductile Damage Simulation for Structural Performance-Based Material Design

    Mitsuru Ohata, Hiroto Shoji, Fumiyoshi Minami

    Proceeding of the 4th International Symposium on Steel Science –ISSS2014 2014/11

  39. Numerical simulation of flat-to-slant ductile fracture transition in notched plate

    Mitsuru Ohata, Shugo Masai, Hiroto Shoji, Yasuhito Imai, Hiroyuki Motohashi, Fumiyoshi Minami

    Procedia Materials Science Vol. 3 p. 793-798 2014/06

  40. Simulation model to correlate micro-structural characteristics of two-phase steel with ductile crack growth resistance

    Hiroto Shoji, Mitsuru Ohata, Fumiyoshi Minami

    20TH EUROPEAN CONFERENCE ON FRACTURE Vol. 3 p. 1573-1578 2014

  41. Damage Model for Simulating Large Ductile Crack Extension Accompanied by Flat and Slant Surface

    Mitsuru Ohata, Ken Ikawa, Shugo Masai, Hiroto Shoji, Fumiyoshi Minami, Yasuhito Imai, Hiroyuki Motohashi

    Proceedings of the 6th International Pipeline Technology Conference 2013/10

  42. Simulation Method for Predicting the Effect of Characteristics of Heterogeneous Microstructures on Strength and Ductile Properties of Two-Phase Steel

    SHOJI Hiroto, OHATA Mitsuru, MINAMI Fumiyoshi

    Preprints of the National Meeting of JWS Vol. 93 p. 276-277 2013/08/12

    Publisher: JAPAN WELDING SOCIETY
  43. Egg of Welding

    SHOJI Hiroto

    QUARTERLY JOURNAL OF THE JAPAN WELDING SOCIETY Vol. 82 No. 4 p. 290-291 2013/06/05

    Publisher: JAPAN WELDING SOCIETY
  44. Evaluation of Ductile Damage Evolution for Heterogeneous Micro-structural Material Based on Local Damage Criterion

    Hiroto SHOJI, Mitsuru OHATA, Fumiyoshi MINAMI

    2011/11

  45. Evaluation Method for Charpy Impact Toughness of Laser Welds Based on Lateral Contraction Analysis

    TAKASHIMA Yasuhito, NISHI Tatsuya, SHOJI Hiroto, OHATA Mitsuru, MINAMI Fumiyoshi

    Preprints of the National Meeting of JWS Vol. 88 p. 192-193 2011/03/28

    Publisher: JAPAN WELDING SOCIETY
  46. Evaluation Method of Charpy Impact Toughness of Laser Welds using Side-Grooved Specimen

    Yasuhito TAKASHIMA, Hiroto SHOJI, Mitsuru OHATA, Fumiyoshi MINAMI

    63th annual assembly International Institute of Welding 2010/07

Presentations 34

  1. 薄鋼板部材の垂直/せん断モード延性亀裂進展解析手法の提案

    庄司博人, 中井昂世, 畑本 麻斗, 島貫 広志, 大畑充

    溶接学会2023年度秋季全国大会 2023/09/15

  2. LOCAL APPROACH TO CORRELATE CLEAVAGE FRACTURE TOUGHNESS WITH MICROSTRUCTURE OF STEEL

    Mitsuru Ohata, Hiroto Shoji, Kazuma Shimizu

    15th International Conference on Fracture 2023/06/15

  3. MICRO-STRUCTURAL DAMAGE ANALYSIS FOR PREDICTING THE EFFECT OF LOADING PATH ON DUCTILITY OF TWO-PHASE STEELS

    Hiroto Shoji, Mitsuru Ohata, Takashi Yasutomi, Eisaku Sakurada, Shigeru Yonemura, Takashi Matsuno

    15th International Conference on Fracture 2023/06/13

  4. Method for fracture toughness assessment by using miniature specimen

    YAGO Hiroki, SHIMIZU Kazuma, SHOJI Hiroto, OHATA Mitsuru, KUBOTA Kyohei, KATO Taichiro, NOZAWA Takashi

    Preprints of the National Meeting of JWS 2022

  5. Prediction of Fracture Behavior for Friction Stir Spot Welded joint of Steel and Aluminum Alloy based on Multi-Fracture Model

    NAKAMURA Ryoma, SHIMIZU Kazuma, SHOJI Hiroto, HIROSE Akio, OHATA Mitsuru

    Preprints of the National Meeting of JWS 2022

  6. Work Hardening and Fracture Strain Evaluation of Hardened SKD11 Steel Using Shear Punching Test

    Takashi Matsuno, Kouta Nakagiri, Hiroto Shoji, Mitsuru Ohata

    Forming the Future 2021

  7. Study on Fracture Model for evaluating Biaxial Loading Effect on Brittle Fracture Resistance

    YAMAMOTO Yuta, SHIMIZU Kazuma, SHOJI Hiroto, OHATA Mitsuru

    Preprints of the National Meeting of JWS 2021

  8. Application of Local-Approach for plastic constraint correction on brittle fracture limit using miniature specimen

    久保田恭平, 清水万真, 庄司博人, 大畑充, 加藤太一郎, 野澤貴史, 谷川博康

    溶接学会全国大会講演概要(Web) 2021

  9. New Local Approach for Assessment of Mixed Mode Loading Effect on Brittle Fracture Resistance

    清水万真, 庄司博人, 大畑充

    溶接学会全国大会講演概要(Web) 2021

  10. Numerical Simulation for Joint Strength of Friction Stir Spot Welds of Galvanized Steel and 6061 Aluminum Alloy

    中村陵馬, 中井拓成, 清水万真, 庄司博人, 松田朋己, 廣瀬明夫, 大畑充

    溶接学会全国大会講演概要(Web) 2021

  11. Local Approach for Predicting Brittle Fracture Resistance under Large Scale Mixed Mode Loading

    SHIMIZU Kazuma, SHOJI Hiroto, OHATA Mitsuru

    Preprints of the National Meeting of JWS 2020

  12. Study on Brittle Fracture Performance of Welded Joint Assumed Steel Pipe Joint with Narrow Welds

    KUBOTA Kyohei, SHIMIZU Kazuma, SHOJI Hiroto, OHATA Mitsuru, MINAMI Fumiyoshi, ABE Yohei, NAKATANI Mitsuyoshi

    Preprints of the National Meeting of JWS 2020

  13. Study on Evaluation Method for Hydrogen Embrittlement Fracture of 1500 MPa Class Ultra-High Strength Steel for Automobiles

    KURIMOTO Arata, SHIMIZU Kazuma, SHOJI Hiroto, OHATA Mitsuru, MORIHARA Ryuji

    Preprints of the National Meeting of JWS 2020

  14. Relashinship between joint strength and interfacial microstructure on friction stir spot welding joint of galvanized steel and aluminum alloy

    Tomohito Uchikawa, Tomoki Matsuda, Tomokazu Sano, Akio Hirose, Hiroto Shoji, Mitsuru Ohata

    Preprints of the National Meeting of JWS 2019/09

  15. Elastic-Plastic Fracture Driving Force for Cracked Component under Mixed Mode Loading based on Local Approach

    Kazuma SHIMIZU, Hiroto SHOJI, Mitsuru OHATA

    Preprints of the National Meeting of JWS 2019/09

  16. Dynamic Ductile Damage Simulation for Predicting Charpy Upper Shelf Energy

    Yusuke OTA, Hiroto SHOJI, Mitsuru OHATA, Shoma ONUKI, Yasuhito IMAI

    Preprints of the National Meeting of JWS 2019/09

  17. The effects of weld flaw location and internal pressure on ductile fracture behavior in full-scale tensile test for girth welded joint of X65 pipe

    Satoshi MIKI, Fumiaki KIMURA, Hiroto SHOJI, Tetuya SHIBATANI, Mitsuru OHATA

    Preprints of the National Meeting of JWS 2019/09

  18. Simulation for Predicting Leak Limit for Girth Welded Joint of X65 Pipe Based on the Ductile Damage Model

    Hiroto SHOJI, Tetsuya SHIBATANI, Mitsuru OHATA, Satoshi MIKI, Fumiaki KIMURA

    Preprints of the National Meeting of JWS 2019/09

  19. Simulation for Improving Leak Limit of Pipe Girth Welded Joint by Controlling Properties of Welds

    Hiroto SHOJI, Tetsuya SHIBATANI, Mitsuru OHATA, Kohsuke INAGAKI, Fumiaki KIMURA

    Preprints of the National Meeting of JWS 2018/09

  20. Simulation-Based Evaluation of Ductile Fracture Performance of Welded Component from Materials Properties of Local Area in Welds

    Hiroto SHOJI, Tetsuya SHIBATANI, Mitsuru OHATA, Kohsuke INAGAKI, Fumiaki KIMURA

    Preprints of the National Meeting of JWS 2018/04

  21. Analysis for the effect of surface layer toughening of steel plate on brittle-crack arrestability

    Mitsuru OHATA, Hiroto SHOJI, Katsuyuki ICHIMIYA, Takao AKATSUKA, Satoshi IGI, Tetsuya NAMEGAWA, Hiroshi SHIMANUKI, Tomoya KAWABATA

    CAMP-ISIJ 2017/09

  22. Study on the Effects of Mixed Mode Loading on Brittle Fracture Resistance for Cracked Component

    Kazuma SHIMIZU, Hiroto SHOJI, Mitsuru OHATA, Takeshi MIYAZAWA, Taichiro KATO, Hiroyasu TANIGAWA

    Preprints of the National Meeting of JWS 2017/09

  23. Critical Strain for Ductile Fracture under Various Stress-Field and its Dependency on Materials

    Kei HIROTA, Daisuke TATANI, Hiroto SHOJI, Mirsuru OHATA, Yasuhito IMAI, Takashi SAKANOUE

    Preprints of the National Meeting of JWS 2017/09

  24. Evaluation of Strength and Ductile Properties for Local Area in Welded Joint by Using Small Size Specimen - Prediction of Leak Limit for Girth Welded Joint of High Pressure Pipeline -

    Hiroto SHOJI, Tetsuya SHIBATANI, Mitsuru OHATA, Kohsuke INAGAKI, Fumiaki KIMURA

    Preprints of the National Meeting of JWS 2017/09

  25. Numerical analysis on the effect of interface structure on the tensile strength on the Fe-Al dissimilar metal joint by friction stir welding

    Reo SUZUKI, Ryoichi HATANO, Tomokazu SANO, Tomo OGURA, Akio HIROSE, Hiroto SHOJI, Mitsuru OHATA

    Preprints of the National Meeting of JWS 2016/09

  26. Effect of Meso-/Macro-scale Material Properties on Ductile Crack Growth Resistance for Two-phase Steel

    Hiroto SHOJI, Fumiyoshi MINAMI, Mitsuru OHATA

    Preprints of the National Meeting of JWS 2016/09

  27. Prediction of the Effect of Micro-structual Properties on Mechanical Properties for Dual-phase Steel

    Keiichi HINO, Hiroto SHOJI, Fumiyoshi MINAMI, Takashi MATSUNO, Mitsuru OHATA

    Preprints of the National Meeting of JWS 2016/09

  28. Ductile damage model for predicting the influence of stress-field on ductile fracture

    Daisuke TATANI, Hiroto SHOJI, Mitsuru OHATA, Yasuhito IMAI, Takashi SAKANOUE, Fumiyoshi MINAMI

    Preprints of the National Meeting of JWS 2016/09

  29. Behavior of Fracture Path Deviation on Fracture Test for Laser-beam Welds of High Strength Steel

    Kei HIROTA, Daisuke TATANI, Hiroto SHOJI, Mirsuru OHATA, Fumiyoshi MINAMI, Tsunehisa HANDA, Koutarou INOSE

    Preprints of the National Meeting of JWS 2016/09

  30. Prediction of Ductile Crack Initiation and Growth Resistance for Pre-strained Steel based on Ductile Damage Model

    Narumi KOTSUJI, Suguru YAMADA, Hiroto SHOJI, Mitsuru OHATA, Taichiro KATO, Hiroyasu TANIGAWA, Fumiyoshi MINAMI

    Preprints of the National Meeting of JWS 2016/09

  31. Effect of High Strength Second Phase in Ferrite-Martensite Dual-Phase Steel on Ductile Fracture Behavior

    Hiroto SHOJI, Keiichi HINO, Mitsuru OHATA, Yasuhiro SHINOHARA, Fumiyoshi MINAMI

    Preprints of the National Meeting of JWS 2015/09

  32. Simulation for Predicting the Effect of Micro-structural Characteristics of Two-phase Steel on Ductile Crack Initiation and Growth Resistance

    Hiroto SHOJI, Mitsuru OHATA, Fumiyoshi MINAMI

    Preprints of the National Meeting of JWS 2014/09

  33. Simulation Method for Predicting the Effect of Characteristics of Heterogeneous Microstructures on Strength and Ductile Properties of Two-Phase Steel

    Hiroto SHOJI, Mitsuru OHATA, Fumiyoshi MINAMI

    Preprints of the National Meeting of JWS 2013/09

  34. Unified Evaluation of Ductile Cracking Limit from Ductile Damage Properties of Material Constants

    Hiroto SHOJI, Mitsuru OHATA, Fumiyoshi MINAMI

    Preprints of the National Meeting of JWS 2011/09

Industrial Property Rights 1

  1. ノックオフ型ボルトの取付構造

    尾嵜 健人, 永木 勇人, 大前 暢, 佐合 大, 小林 雄紀, 大畑 充, 庄司 博人

    特許第7128786号

    出願日:2019/09/13

    登録日:2022/08/23

Institutional Repository 1

Content Published in the University of Osaka Institutional Repository (OUKA)
  1. Significance of fracture toughness for linear friction welded joint of weathering steel

    Shimizu Kazuma, Nakayama Shota, Shoji Hiroto, Kawakubo Takumi, Nagira Tomoya, Ohata Mitsuru, Fujii Hidetoshi

    Welding in the World Vol. 69 p. 739-750 2025/03/01