抵抗スポットナゲット径のレーザ超音波法による非接触測定に関する研究

K. Nomura, S. Mishima, T. Sano

第146回軽構造接合加工研究委員会　2024/09/11

A study on extraction of molten pool feature using U-net for estimating overlay welding quality

Naoya IWATA, Kazufumi NOMURA, Takamitsu MARUYAMA, Kazunori HATTORI

National Meeting of JWS　2024/09/05

Effect of current waveform in MIG arc on weld bead formation in plasma-MIG hybrid welding

S. Tashiro, K. Ishida, K. Nomura, D. Wu, A. B. Murphy, T. Yuji, M. Tanaka

iiw2024 Annual Assembly　2024/07/09

Study on Non-Contact Measurement of Nugget Diameter in RSW by Laser Ultrasonic Method

K. Nomura, S. Mishima, T. Sano

iiw2024 Annual Assembly　2024/07/10

Weld quality estimation using welding monitoring and CNN in square groove weaving welding

K. Nomura, R. Ota, M. Mochizuki, F. Imura, M. Amano, H. Mori

iiw2024 Annual Assembly　2024/07/08

内部の欠陥・品質をインプロセスで診る技術～モニタリング×AIやレーザ超音波法に関する研究～

2024/06/05

Microstructures evaluation of steel based on laser ultrasonics technique

Hongjun Sun, Hiroyuki Takamatsu, Kazufumi Nomura

20th World Conference on Non-Destructive Testing (20th WCNDT)　2024/05/27

I型開先ウィービング溶接における溶接モニタリングとCNNを用いた溶接品質推定

K. Nomura, R. Ota, M. Mochizuki, F. Imura, M. Amano, H. Mori

2024/05/08

Development of Dynamic Laser Ultrasonic System Mounted on Robot Arm Using Microchip Laser

K. Nomura, N. Okuyama, T. Inoue, T. Sano

The 10th Tiny Integrated Laser and Laser Ignition Conference 2024 (TILA-LIC2024)　2024/04/26

Study on laser parameter dependence of laser ultrasonic excitation intensity

K. Nomura, S. Deno, T. Sano

2024/03/18

溶融池モニタリング画像とAIを用いた溶込み推定手法に関する研究

Kazufumi Nomura

2024/03/11

薄板ステンレス鋼TIG溶接における高速化と溶接裕度拡大技術の開発

T. Imai, T. Monodane, K. Nomura

2024/01/30

Study on laser parameters and excitation intensity characteristics in laser ultrasonic method

K. Nomura, S. Deno, T. Sano

31st Symposium on Ultrasonic Testing　2024/01/23

Finite element analysis of defect detectability in scanning measurement of internal defects in thin plate welds by laser ultrasonic method

N. Okuyama, K. Nomura, T. Sano, K. Kadota, S. Nitta, T. Era, S. Asai

31st Symposium on Ultrasonic Testing　2024/01/23

Research on non-contact defect detection using laser ultrasonic method for friction stir welded Cu-Al dissimilar material joints

S. Ishifuro, K. Nomura, T. Sano, S. Asai

31st Symposium on Ultrasonic Testing　2024/01/23

レーザ超音波による非接触UT法～スポット溶接部のナゲット径計測

Kazufumi Nomura

溶接法研究委員会 若手・中堅WG 2023年度 見学会・研究会　2023/12/19

レーザ超音波による非接触UT法を用いた溶接欠陥検出と品質計測

Kazufumi Nomura

電気溶接機部会 溶接技術講演会　2023/12/01

溶接プロセスにおけるAI活用事例と今後の展望

Kazufumi Nomura

溶接学会R5年度秋季全国大会　2023/09/14

Study on defect detection in friction stirred joints of Cu-Al dissimilar materials using laser ultrasonics

Shogo Ishifuro, Kazufumi Nomura, Tomokazu Sano, Satoru Asai

溶接学会R5年度秋季全国大会　2023/09/14

Weld quality estimation using Convolutional Neural Network in square groove with weaving welding

Ryota Ota, Kazufumi Nomura, Masahito Mochizuki, Masaharu Amano, Hiroki Mori, Fumiya Imura

溶接学会R5年度秋季全国大会　2023/09/14

Time-shift Effects of Input Images in Weld Depth Estimation Model using CNN through Molten Pool Monitoring in GMAW

K. Nomura, W. Tanahara, T. Matsumura, T. Sano

iiw2023 Annual Assembly　2023/07/17

Development of Laser Ultrasonic Robotic System and Detection Method for Internal Flaw Detection of Sheet Joints

K. Kadota, S. Nitta, K. Nomura, T. Era, S. Asai

iiw2023 Annual Assembly　2023/07/17

Time-shift Effects of Input Images in Machine Learning-based Melting Depth Estimation Model and Discussion of Melting Phenomena

K. Fujiwara, T. Tsuyama, Y. Kotani, K. Nomura, W. Tanahara

2023/04/25

In-line Detection of Internal Defects in Fillet Welded Sheet of Lap Joint by Laser Ultrasonic and Its Robotic Application Using Microchip Laser

K. Nomura, T. Matsuida, K. Kadota, S. Nitta, T. Era, S. Asai

Quantum Beam Application for Sciences and Industries 2023 (Q-BASIS 2023)　2023/04/26

Development of Laser Ultrasonic Robotic System for Internal Flaw Detection of Sheet Joints

S. Nitta, K. Kadota, K. Nomura, T. Era, S. Asai

IIW Commission I IV XII Intermediate Meeting　2023/03/27

Development of Laser Ultrasonic Robotic System for Internal Flaw Detection of Sheet Joints

S. Nitta, K. Kadota, K. Nomura, T. Era, S. Asai

30th Symposium on Ultrasonic Testing　2023/01/25

Measurement of Resistance Spot Welding Nugget Diameter Measurement of Resistance Spot Welding Nugget Diameter

S. Mishima, K. Nomura, T. Sano

30th Symposium on Ultrasonic Testing　2023/01/25

深層学習を用いた鋼床版Uリブ溶込み深さ推定法の検討

Y. Kotani, T. Tsuyama, K. Fujiwara, K. Nomura, W. Tanahara

2023/01/24

In-situ Detection of Weld Quality Using Laser Ultrasonics toward Intelligent Manufacturing

S. Asai, K. Nomura

2022 International Conference on Robotic Welding, Intelligence and Automation (RWIA2022) & The 14th Chinese Conference on Robotic Welding (CCRW2020)　2022/12/17

Study on Non-contact In-situ Measurement Method of Weld Joint Quality by Laser Ultrasonic Method

K. Nomura

The 24th Annual Academic Exchange Seminar between Shanghai Jiao Tong University and Osaka University --- 2022 Academic Exchange Workshop on Materials Joining ---　2022/11/29

アーク溶接現象の可視化

K. Nomura

2022/11/28

In-line Detection of Blowholes in Lap Joint Welding of Galvanized Steel Sheet by Laser Ultrasonic Technique and Its Robotic Application Using Microchip Laser

K. Nomura, T. Matsuida, K. Kadota, S. Nitta, T. Era, S. Asai

2022/11/25

レーザ超音波による溶接施工中の欠陥計測に関する研究

K. Nomura

2022/11/09

Study on Detecting Method of Internal Defects by Laser Ultrasonics in Lap Joint Welding of Galvanized Steel Sheet and Finite Element Analysis of its Detectability

N. Okuyama, T. Matsuida, K. Nomura, T. Sano, K. Kadota, S. Nitta, T. Era, S. Asai

Visual-JW 2022 & DEJI2MA-2　2022/10/26

Study on Non-contact In-situ Measurement Method of Weld Joint Quality by Laser Ultrasonic Method

K. Nomura, S. Asai

Visual-JW 2022 & DEJI2MA-2　2022/10/26

Development of Robotic System for Internal Diagnosis of Sheet Joints by Laser Ultrasonic Technique

S. Nitta, K. Kadota, K. Nomura, T. Era, S. Asai

2022/09/10

Time-shift Effects of Input Images in Machine Learning-based Melting Depth Estimation Model and Discussion of Melting Phenomena

W. Tanahara, K. Nomura, T. Matsumura, T. Sano

2022/09/09

Non-Contact Measurement of Resistance Spot Weld Nugget Diameter Using Laser Ultrasonic Technique

S. Mishima, K. Nomura, T. Sano

2022/09/09

Elucidation of arc coupling mechanism in plasma-MIG hybrid welding process through spectroscopic measurement of 3D distributions of plasma temperature and iron vapor concentration

K. Ishida, S. Tashiro, K. Nomura, D. Wu, M. Tanaka

2022/09/08

Weld Depth Estimation and Its Visualization of Judgement Basis by CNN Model through Molten Pool Monitoring in GMAW

W. Tanahara, T. Matsumura, K. Nomura, T. Sano, S. Asai

iiw2022 Annual Assembly　2022/07/19

In-line Detection of Blowholes in Lap Joint Welding of Galvanized Steel Sheet by Laser Ultrasonic Technique and Its Robotic Application Using Microchip Laser

K. Nomura, T. Matsuida, K. Kadota, S. Nitta, T. Era, S. Asai

iiw2022 Annual Assembly　2022/07/20

In-line Detection of Internal Defects for Lap Joint welding of Galvanized Steel Sheet by Laser Ultrasonic Technique

K. Kadota, T. Matsuida, K. Nomura, T. Era, S. Asai

IIW2022 International Conference on Welding and Joining　2022/07/18

Study on Blowhole Detection in Fillet Welded Sheet of Lap Joint by Laser Ultrasonic Technique

K. Nomura, T. Matsuida, K. Kadota, T. Era, S. Asai

2022/04/13

In-line Detection of Blowholes in Lap Joint Welding of Galvanized Steel Sheet by Laser Ultrasonic Technique

K. Nomura, T. Matsuida, K. Kadota, T. Era, S. Asai

IIW Commission I IV XII Intermediate Meeting　2022/03/22

溶融池インプロセス計測×AIによる溶込み深さ推定手法に関する研究

K. Nomura, T. Matsumura, W. Tanahara, T. Sano, S. Asai

2022/02/07

Study on Blowhole Detection in Fillet Welded Sheet of Lap Joint by Laser Ultrasonic Technique

K. Nomura, T. Matsuida, K. Kadota, T. Era, S. Asai

2022/01/24

Study on the Detection of Internal Defects in Fillet Welded Sheet of Lap Joint by Laser Ultrasonic technique

K. Kadota, T. Matsuida, K. Nomura, T. Era, S.Asai

JAAA2021 (Joining Technologies in Advanced Automobile Assembly 2021)　2021/11/30

溶融池モニタリングと深層学習を用いた溶込み深さ推定法に関する研究

K. Nomura, T. Matsumura, W. Tanahara, T. Sano, S. Asai, T. Tsuyama, Y. Kotani, K. Fujiwara

2021/11/04

Measurement of spot weld joint quality using diffracted waves generated by laser ultrasonic technique

MARUYAMA Takamitsu, HATTORI Kazunori, NOMURA Kazufumi

2021/09/21

Measurement of spot weld joint quality using diffracted waves generated by laser ultrasonic technique

MISHIMA Shintaro, DENO Soshi, NOMURA Kazufumi, SANO Tomokazu

2021/09/21

Measurement of spot weld joint quality using diffracted waves generated by laser ultrasonic technique

Kazufumi NOMURA, Satoru ASAI

95th Laser Materials Processing Conference　2021/08/30

3D spectroscopic measurement of plasma temperature and metal vapor concentration in plasma-MIG hybrid welding process

K. Ishida, S. Tashiro, K. Nomura, D. Wu, M. tanaka

iiw2021 on-line annual assembly　2021/07/14

「新溶接アーク現象」発刊記念-概要説明- 第7章より: アーク溶接現象の可視化とシミュレーション

K.Nomura

2021/05/28

Study on estimation of the weld penetration by deep learning model in weld pool monitoring (3rd Report)

K. Nomura, T.Matsumura, T.Sano

溶接学会R3年度春季全国大会　2021/04/14

Study on Simultaneous Multipoint Measurement Method of Emissivity in Welding Process Monitoring

Kazufumi Nomura, Hiroyuki Okuda, Tomokazu Sano, Satoru Asai

Joint intermediate meeting of IIW Commissions I, IV, XII and SG 212　2021/03/30

In-situ measurement of ultrasonic behavior during arc spot welding by laser ultrasonic technique

Deno Soshi, Otaki Satoshi, Matsuida Taketo, Nomura Kazufumi, Sano Tomokazu, Asai Satoru

28th Symposium on Ultrasonic Testing　2021/01/25

In-Process Monitoring System of Weld Quality Using Laser Ultrasonic

S. Asai, K. Nomura, T. Matsuida, S. Otaki

2020 International Conference on Robotic Welding, Intelligence and Automation (RWIA'2020) & The 13th Chinese Conference on Robotic Welding (CCRW'2020)　2020/12/26

Visualization of welding arc plasma by 3D spectroscopic measurement

K. Nomura, S. Asai, Y. Hirata

2020/11/27

溶融池モニタリングと深層学習を用いた開先マグ溶接の溶込み推定手法

K. Nomura

2020/11/17

Study on in-situ measurement of melting phenomenon during arc spot welding by laser ultrasonic technique

S. Deno, S. Otaki, T. Matsuida, K. Nomura, T. Sano, S. Asai

溶接学会R2年度秋季全国大会　2020/09/09

Development of in-situ measurement system with laser ultrasonic technique using microchip laser (2nd report)

T. Matsuida, S. Otaki, K. Nomura, T. Sano, S. Asai

溶接学会R2年度秋季全国大会　2020/09/09

Study on Simultaneous Multipoint Measurement Method of Emissivity in Welding Process Monitoring

H. Okuda, K. Nomura, T. Sano, S. Asai

溶接学会R2年度秋季全国大会　2020/09/09

Visualization of basis for decisions of the CNN model for penetration depth estimation in MAGW

T. Matsumura, K. Fukushima, K. Nomura, T. Sano, S. Asai

溶接学会R2年度秋季全国大会　2020/09/09

Study on estimation of the weld penetration by deep learning model in weld pool monitoring (2nd report)

K. Nomura, K. Fukushima, T. Matsumura, T. Sano, S. Asai

溶接学会R2年度秋季全国大会　2020/09/09

Fundamental study of the quality measurement for wire arc additive manufacturing process by laser ultrasonic technique

K. Nomura, T. Matsuida, S. Otaki, S. Asai

iiw2020 on-line annual assembly　2020/07/25

Study on the weld penetration estimation by deep learning model with molten pool monitoring in GMA welding

K. Nomura, K. Fukushima, T. Matsumura, S. Asai

iiw2020 on-line annual assembly　2020/07/24

Study on estimation of the weld penetration by deep learning model in weld pool monitoring

K. Nomura, K. Fukushima, T. Matsumura, S. Asai

溶接学会R2年度春季全国大会　2020/04/24

レーザー超音波を用いた溶接中リアルタイム欠陥検知技術の開発

第8回 レーザー学会「ユビキタス・パワーレーザー」専門委員会, 第8回 科学技術交流財団「マイクロ固体フォトニクス」研究会　2020/02/20

Estimation of current and heat input density distribution of tilting TIG arc plasma by Spectroscopic method

Atsushi AIBE, Kazufumi NOMURA, Satoru ASAI

プラズマ・核融合学会 九州・沖縄・山口支部 第23回支部大会　2019/12/21

Study on the in-situ measurement of the GMA welding quality of single groove bevel using laser ultrasonic

Satoshi OTAKI, Taketo MATSUIDA, Kazufumi NOMURA and Satoru ASAI

溶接構造シンポジウム2019　2019/12/04

Development of in-situ measurement system with laser ultrasonic technique using microchip laser

Taketo MATSUIDA, Ryosuke KITA, Satoshi OTAKI, Kazufumi NOMURA and Satoru ASAI

溶接構造シンポジウム2019　2019/12/04

Study on Burn-through Prediction by Molten Pool Monitoring and Deep Learning Model in Arc Welding Process

Kazufumi NOMURA, Takumi MATSUMURA, Koki FUKUSHIMA, Satoru ASAI

溶接構造シンポジウム2019　2019/12/03

Burn-through Prediction Using Deep Learning Model in Single Bevel Groove Welding

Koki FUKUSHIMA, Takumi MATSUMURA, Kazufumi NOMURA and Satoru ASAI

Visual-JW 2019 and WSE 2019　2019/11/21

Fundamental study for in-situ quality measurement of WAAM process by laser ultrasonic technique

Taketo MATSUIDA, Ryosuke KITA, Satoshi OTAKI, Kazufumi NOMURA and Satoru ASAI

Visual-JW 2019 and WSE 2019　2019/11/21

Study of burn-through prediction in MAG arc welding using molten pool monitoring technique

Takumi MATSUMURA, Kazufumi NOMURA and Satoru ASAI

Visual-JW 2019 and WSE 2019　2019/11/21

Development of in-situ measurement system for welding robot by laser ultrasonic with microchip laser

Kazufumi NOMURA, Taketo MATSUIDA, Satoshi OTAKI, Ryosuke KITA and Satoru ASAI

Visual-JW 2019 and WSE 2019　2019/11/21

In-situ monitoring technique of the welding defects during GMA welding by using laser ultrasonic

Satoshi OTAKI, Taketo MATSUIDA, Kazufumi NOMURA and Satoru ASAI

Visual-JW 2019 and WSE 2019　2019/11/21

Fundamental plasma diagnostic study for guiding TIG arc phenomenon by laser irradiation

Hiroyuki OKUDA, Kazufumi NOMURA, Satoru ASAI, Shohei IWATA, Yasushi KITANI and Kenji OI

Visual-JW 2019 and WSE 2019　2019/11/21

Three-dimensional visualization of welding arc plasma by multi-colored and multi-directional spectroscopic measurement

K. Nomura, S. Asai

高速度イメージングとフォトニクスに関する総合シンポジウム2019（JCHSIP2019: Japan Congress on High Speed Imaging and Photonics 2019）　2019/11/16

TIGアーク溶接中の表面計測を用いた溶込み深さの推定

第248回溶接法研究委員会　2019/11/01

Study on the on-line support system for welder

S. Asai, Y. Ogino, K. Nomura, K. Hattori

Progress in Digital and Physical Manufacturing (ProDPM '19)　2019/10/02

レーザ超音波による溶接品質その場計測に関する研究（第3報）

溶接学会R1年度秋季全国大会　2019/09/18

レーザ超音波法を用いたWAAM品質のその場計測に向けた基礎検討

溶接学会R1年度秋季全国大会　2019/09/18

溶融池モニタリング技術を用いたマグ溶接における溶落ち発生の予測に関する研究

溶接学会R1年度秋季全国大会　2019/09/18

レーザによるTIGアーク誘導現象のプラズマ診断による基礎検討

溶接学会R1年度秋季全国大会　2019/09/18

Monitoring technique of weld quality using laser ultrasonic IV: Development of robotic measurement system with microchip laser

日本機械学会2019年度年次大会　2019/09/11

Monitoring technique of weld quality using laser ultrasonic I: In-situ measurement of weld penetration depth during the welding process

日本機械学会2019年度年次大会　2019/09/11

Monitoring technique of weld quality using laser ultrasonic II: In-situ detection of weld defect during the welding process

日本機械学会2019年度年次大会　2019/09/10

In-situ detection of weld defect during the welding process by laser ultrasonic technique

K. Nomura, S. Otaki, R. Kita, S. Asai

2019 International Congress on Ultrasonics (2019 ICU)　2019/09/04

Estimation of the weld penetration depth by the surface measurement in TIG arc welding

K. Nomura, S. Yamashita, F. Imura, S. Asai

72nd IIW Annual Assembly & International Conference (IIW2019)　2019/07/10

In-situ Defect Detection System Using Laser Ultrasonic for Welding Robot

S. Asai, K. Nomura, T. Matsuida, S. Otaki

72nd IIW Annual Assembly & International Conference (IIW2019)　2019/07/08

Laser ultrasonic system using microchip laser for in-situ detection of weld defect

S. Asai, K. Nomura, T. Matsuida, S. Otaki

The 7th Laser Ignition and Giant-microphotonics Conference 2019 (LIC2019)　2019/04/24

マグ溶接アークプラズマの温度計測における連続光の影響評価

溶接学会H31年度春季全国大会　2019/04/19

マイクロチップレーザを用いたレーザ超音波その場計測システムの開発

溶接学会H31年度春季全国大会　2019/04/19

溶接プロセスの計測・モニタリングにおけるスペクトル情報の活用

溶接学会H31年度春季全国大会　2019/04/18

溶接熱源のモデル化とそれによる溶融池形成予測技術の開発

溶接学会平成31年度春季全国大会シンポジウム「SIP：溶接部性能保証のためのシミュレーション技術の開発成果報告」　2019/04/17

Influence of continuous radiation on the temperature measurement of MAG arc plasma

Joint intermediate meeting of IIW Commissions I, IV, XII and SG 212　2019/03/04

レーザ超音波による溶接欠陥のその場計測に関する研究

第26回超音波による非破壊評価シンポジウム　2019/01/30

レ型開先継手に対するレーザ超音波を用いた溶接欠陥のその場検出

第245回溶接法研究委員会　2019/01/29

回転式水冷分割銅板を用いた傾斜TIGアークプラズマに対する電流・入熱密度分布のトモグラフィ計測

プラズマ・核融合学会 九州・沖縄・山口支部 第22回支部大会　2018/12/15

Ar-CO2混合ガス溶接プラズマの温度計測における連続光の影響評価

プラズマ・核融合学会 九州・沖縄・山口支部 第22回支部大会　2018/12/15

Visualization of the weld pool shape by laser ultrasonic technique in arc welding

溶接学会H30年度秋季全国大会　2018/09/13

Study on the in-situ measurement of the molten pool shape using a laser ultrasonic (4th report) -Weld pool depth monitoring of GMA welding-

溶接学会H30年度秋季全国大会　2018/09/12

Tomographic measurement of tilting TIG arc using rotational split water-cooled copper anode

溶接学会H30年度秋季全国大会　2018/09/12

Study on the in-situ measurement of the weld quality using laser ultrasonic, 2nd report

溶接学会H30年度秋季全国大会　2018/09/12

Tomographic measurement of the current and heat input densities for the axially asymmetric TIG arc plasma

71st IIW Annual Assembly & International Conference (IIW2018)　2018/07/16

In-situ Detection of Weld Defect Using Laser Ultrasonic

71st IIW Annual Assembly & International Conference (IIW2018)　2018/07/16

In-situ measurement of weld pool depth during TIG welding using laser ultrasonic

Laser Ultrasonics 2018　2018/07/09

非軸対称ティグアークの電流・入熱密度分布のトモグラフィ計測

第242回溶接法研究委員会　2018/05/14

Study on the in-situ measurement of the weld quality using laser ultrasonic

溶接学会H30年度春季全国大会　2018/04/24

Estimation of the weld penetration by surface temperatures measurement in arc welding

溶接学会H30年度春季全国大会　2018/04/24

三次元発光分光法による非軸対称溶接アークの可視化

第26回 応用物理学会 プラズマエレクトロニクス分科会 プラズマ新領域研究会『熱プラズマの電磁熱流体構造を開拓する』　2018/01/27

レーザ超音波による溶接中の溶融池計測に関する研究

第25回超音波による非破壊評価シンポジウム　2018/01/25

三次元発光分光法による溶接アークプラズマの可視化

日本学術振興会第153委員会研究会『高密度プラズマの計測技術～高密度プラズマの物理現象の 見える化技術～』　2018/01/18

混合ガスを用いた溶接アークプラズマの分光計測に関する研究

プラズマ・核融合学会 九州・沖縄・山口支部 第21回支部大会　2017/12/16

炭酸ガスアーク溶接における非軸対称プラズマ挙動の発光分光計測

プラズマ・核融合学会 九州・沖縄・山口支部 第21回支部大会　2017/12/16

Study on the in-situ measurement of the weld quality using laser ultrasonic

umiya IMURA, Ryosuke KITA, Kazufumi NOMURA and Satoru ASAI

溶接構造シンポジウム2017　2017/12/05

3D spectroscopic measurement of arc plasma behavior of repelled transfer in CO2 arc welding

溶接学会H29年度秋季全国大会　2017/09/12

Study of 3D temperature measurement of arc plasma in MAG welding

溶接学会H29年度秋季全国大会　2017/09/12

Study on the in-situ measurement of the molten pool shape using a laser ultrasonic (3rd report)

溶接学会H29年度秋季全国大会　2017/09/11

A Study on Digitization of Welder's Skill (1st Report) -Welder's Motion Analysis Using Sensing Device-

K. Nagaiwa, K. Hattori, R. Nakashima, S. Asai, K. Nomura

平成29年度秋季溶接学会全国大会　2017/09/11

炭酸ガスアーク溶接における反発移行アーク挙動の三次元発光分光計測

第239回溶接法研究委員会　2017/08/08

In-situ Measurement of Weld Pool Configuration Using Laser Ultrasonic Technique

70th IIW Annual Assembly & International Conference (IIW2017)　2017/06/28

3D spectroscopic measurement of arc plasma behavior in CO2 arc welding

70th IIW Annual Assembly & International Conference (IIW2017)　2017/06/28

Three dimensional spectroscopy of welding arc plasma by multidirectional simultaneous method (3rd report) -Influence of tomographic methods on the reconstructed distribution-

溶接学会H29年度春季全国大会　2017/04/21

Study on the in-situ measurement of the molten pool shape using a laser ultrasonic (2nd report)

溶接学会H29年度春季全国大会　2017/04/21

レーザ超音波を用いた溶融池形状その場計測の基礎的検討

第24回超音波による非破壊評価シンポジウム　2017/01/26

溶接アークプラズマのトモグラフィ計測手法に関する研究

プラズマ・核融合学会 九州・沖縄・山口支部 第20回支部大会　2016/12/17

溶接アークプラズマの三次元温度・金属蒸気濃度分布計測

プラズマ・核融合学会 九州・沖縄・山口支部 第20回支部大会　2016/12/17

レーザ超音波法を用いたインプロセスモニタリングシステムの開発

第236回溶接法研究委員会　2016/11/29

音速補正を用いた溶融池形状の超音波映像化

第38回超音波エレクトロニクスの基礎と応用に関するシンポジウム (USE2017)　2016/10/27

Study on the in-situ measurement of the molten pool shape using a laser ultrasonic

Visual-JW 2016　2016/10/17

3D Spectroscopic Measurement of Temperature Distribution in MIG Welding

Visual-JW 2016　2016/10/17

Measurement of surface tension supporting pendant drop of molten metal formed by arc discharge

Visual-JW 2016　2016/10/17

3D temperature measurement of MIG arc plasma by multidirectional spectroscopic method

10th International Conference on Trends in Welding Research & 9th International Welding Symposium of Japan Welding Society (9WS)　2016/10/13

Study on In-situ Measurement of Weld Pool Configuration Using Laser Ultrasonic Technique

10th International Conference on Trends in Welding Research & 9th International Welding Symposium of Japan Welding Society (9WS)　2016/10/12

Study on the in-situ measurement of the molten pool shape using a laser ultrasonic

Y. Mine, K. Nomura, T. Matsuda, S. Asai, T. Hoshi, A. Sugawara

溶接学会H28年度秋季全国大会　2016/09/15

レ型開先内における埋もれアーク溶接に関する研究

H. Inoue, K. Nomura, S. Asai

溶接学会H28年度秋季全国大会　2016/09/14

三次元発光分光法によるミグ溶接の温度計測

第114回軽構造接合加工研究委員会　2016/09/09

多方向発光分光法によるミグ溶接の三次元温度・金属蒸気濃度計測

第235回溶接法研究委員会　2016/08/02

3D measurement of temperature and metal vapor concentration in MIG arc plasma by multidirectional spectroscopic method

69th IIW Annual Assembly & International Conference (IIW2016)　2016/07/13

Development of In-situ Monitoring system for Weld Quality Using Laser Ultrasonic Technique

69th IIW Annual Assembly & International Conference (IIW2016)　2016/07/12

In-Process Imaging of Molten Pool Configuration

Laser-Ultrasonics and Advanced Sensing (LU2016)　2016/07/08

3D spectroscopic measurement of temperature distribution in MIG welding

K. Toda, K. Yoshii, K. Nomura, K. Mimura, Y. Hirata, S. Asai

溶接学会H28年度春季全国大会　2016/04/13

アーク放電により形成された金属液滴の表面張力の測定

溶接学会H28年度春季全国大会　2016/04/13

Application of Laser Ultrasonic Techinique to In-situ Monitoring System of Weld Quality

S. Asai, K. Nomura, T. Ogawa, T. Hoshi, A. Sugawara, M. Ochiai

IIW Joint intermediate meeting of Comm. I, IV, XII and SG212　2016/03/08

溶接アークの三次元分光法の開発

溶接学会四国支部・溶接学会若手会員の会 共催 研究会・見学会　2015/11/12

非軸対称溶接アークの三次元分光計測

第84回溶接研究会/第13期第1回溶射技術研究会 テーマ「溶接・溶射における可視化技術」　2015/10/29

ミグアークの多方向同時三次元分光計測

第232回溶接法研究委員会　2015/10/07

非軸対称溶接アークの三次元分光計測

第21回 応用物理学会 プラズマエレクトロニクス分科会 プラズマ新領域研究会『プラズマ流の可視化』　2015/10/03

Influence of the interference filter characteristics on the temperature measurement of welding arc by spectroscopic method

K. Nomura, J. Nagata, Y. Hirata, S. Asai

溶接学会 H27年度秋季全国大会　2015/09/04

3D spectroscopy measurement of argon and metal vapor in MIG welding (2nd Report)

K. Yoshii, K. Nomura, K. Mimura, Y. Hirata

溶接学会 H27年度秋季全国大会　2015/09/02

Three Dimensional Spectroscopy of Welding Arc Plasma by Multidirectional Simultaneous Method, 2nd Report

K. Mimura, K. Kataoka, K. Nomura, Y. Hirata

溶接学会 H27年度春季全国大会　2015/04/24

アーク溶接プロセス―発光分光法による熱源特性の可視化―

溶接学会 H27年度春季全国大会　2015/04/23

非軸対称溶接アークの三次元分光計測

プラズマ・核融合学会 九州・沖縄・山口支部 第18回支部大会　2014/12/01

Estimation of the current density distribution of TIG arc plasma by spectroscopic method

K. Yoshii, K. Nomura, and Y. Hirata

Visual-JW2014　2014/11/01

3D spectroscopic observation of argon and metal vapor in MIG welding

K. Kataoka, K. Mimura, K. Nomura, and Y. Hirata

Visual-JW2014　2014/11/01

三次元発光分光法を用いたミグ溶接におけるアルゴン・金属蒸気の挙動観察

片岡 耕太朗, 野村 和史, 平田 好則, 貴志 崇

H26年度溶接学会秋季全国大会　2014/09/10

Three dimensional spectroscopic measurement of argon and metal vapor behavior in MIG arc welding

K. Nomura, K. Kataoka, T. Kishi, K. Yoshii and Y. Hirata

67th IIW Annual Assembly & International Conference (IIW2014)　2014/07/14

Three Dimensional Spectroscopy of Welding Arc Plasma by Multidirectional Simultaneous Method

K. Nomura, T. Kishi, Y. Hirata, K. Yoshii

H26年度春季溶接学会　2014/04/22

Numelical analysis of TIG arc welding with filler wire feeding by simple model

K. Kotaro, K. Nomura, Y. Ogino and Y. Hirata

H25年度秋季溶接学会　2013/09/04

Temperature Measurement of Asymmetrical Pulsed TIG Arc Plasma by Multidirectional Monochromatic Imaging Method

K. Nomura, T. Kishi, K. Shirai and Y. Hirata

66th IIW Annual Assembly & International Conference　2013/09/14

Study of droplet transfer effects in simple model of GMA welding

K. Nomura and Y. Hirata

H25年度秋季溶接学会　2013/04/17

非軸対称アークの温度計測に関する研究

野村和史

H24年度第4回若手グループ研究会　2013/01/23

Numerical Analysis of Arc Plasma to Weld Pool Formation by a Tandem TIG Arc

Y. Ogino, J. Kawata, Y. Hirata and K. Nomura

Visual-JW2012　2012/11/28

3D Temperature Measurement of a Tandem TIG Arc Plasma

K. Nomura, T. Kishi, K. Shirai and Y. Hirata

Visual-JW2012　2012/11/28

2電極TIGアークの温度計測に関する研究

野村和史, 白井健太郎, 貴志崇, 荻野陽輔, 平田好則

第220回溶接法研究委員会　2012/11/01

Research on weld pool formation by two-electrode TIG arc 2nd report

Y. Ogino, J. Kawata, K. Nomura and Y. Hirata

H24年度秋季溶接学会　2012/09/26

Temperature measurement of twin electrode TIG arc

K. Shirai, T. Kishi, K. Nomura and Y. Hirata

H24年度秋季溶接学会　2012/09/26

Study on generation mechanism of weld imperfection in GMA welding

T. Haga, K. Nomura and Y. Hirata

H24年度秋季溶接学会　2012/09/26

Temperature Measurement of a Tandem TIG Arc Plasma by Using Computed Tomography Method

K. Nomura, T. Kishi, K. Shirai and Y. Hirata

The 2nd East Asia Symposium on Technology of Welding & Joining (EAST-WJ)　2012/09/27

2電極ティグ溶接におけるアークプラズマ-溶融池の数値解析

第219回溶接法研究委員会　2012/08/07

Numerical analysis of arc plasma to weld pool formation by a tandem TIG arc

Y. Ogino, J. Kawata, Y. Hirata and K. Nomura

65th IIW Annual Assembly & International Conference　2012/07/09

3D temperature measurement of a tandem TIG arc plasma

K. Nomura, T. Kishi, K. Shirai and Y. Hirata

65th IIW Annual Assembly & International Conference　2012/07/09

Research on weld pool formation by two-electrode TIG arc

Y. Ogino, J, Kawata, K. Nomura and Y. Hirata

H24年度春季溶接学会　2012/04/10

Heat input and arc pressure distribution of TIG arc on V-groove surface

ECO-MATES 2011 (International Symposium on Materials Science and Innovation for Sustainable Society -- Eco-materials and Eco-innovation for Global Sustainability --)　2011/11/28

Development of spectroscopic measurement for non-axial symmetrical TIG arc plasma

ECO-MATES 2011 (International Symposium on Materials Science and Innovation for Sustainable Society -- Eco-materials and Eco-innovation for Global Sustainability --)　2011/11/28

Fundamental research on micro discharge process

ECO-MATES 2011 (International Symposium on Materials Science and Innovation for Sustainable Society -- Eco-materials and Eco-innovation for Global Sustainability --)　2011/11/28

Research on weld pool formation by magnetic controlled arc

Y. Ogino, J. Kawata, K. Nomura and Y. Hirata

H25年度春季溶接学会　2011/09/07

Development of the predictable model for incomplete fusions in GMA welding

Y. Yoshioka, K. Nomura and Y. Hirata

H25年度春季溶接学会　2011/09/07

Three Dimensional Temperature Measurement of TIG Arc Plasma

T. Konishi, Y. Hirata, K. Nomura and K. Shirai

64th International Institute of Welding Annual Assembly & International Conference (IIW2011)　2011/07/18

Three Dimensional Temperature Measurement of the Gas Tungsten Arc Plasma

The 1st East Asia Symposium on Technology of Welding & Joining (EAST-WJ)　2011/05/31

Development on Magnetic Control of Arc Plasma in Gas Shielded Arc Welding, 5th report

Y. Ogino, T. Haga, K. Nomura and Y. Hirata

H23年度春季溶接学会　2011/04/22

Fundamental research on micro arc process, 2nd report

M. Park, K. Nomura and Y. Hirata

H23年度春季溶接学会　2011/04/22

Numerical Analysis on the Heat Source Characteristics of the Two-Electrodes TIG Arc

Y. Ogino, Y. Hirata, K. Nomura

Visual-JW2010　2010/11/11

Fundamental Research on Micro Discharge Process -Research on Discharge of Sub-millimeter size Process-

M. Park, Y. Hirata, K. Nomura

Visual-JW2010　2010/11/11

Influence of Magnet Configurations on Magnetic Controlled TIG Arc Welding

K. Nomura, Y. Ogino, T. Haga, Y. Hirata

Visual-JW2010　2010/11/11

Cathode Phenomena of Gas ShieldedArc

N. Furukawa, A. Sato, T. Higuchi, K. Nomura and Y. Hirata

H23年度春季溶接学会　2010/09/09

Fundamental research on micro arc process

M. Park, Y. Hirata and K. Nomura

H23年度春季溶接学会　2010/09/09

3D Numerical Model of Molten Metal Flow in Weld Pool

Y. Ogino, K. Nomura, T, Hirano and Y. Hirata

H23年度春季溶接学会　2010/09/09

3-D Measurement of Gas Tungsten Arc Plasma

T. Konishi, K. Nomura and Y. Hirata

H23年度春季溶接学会　2010/09/09

Influence of Magnet Configurations on Magnetic Controlled TIG Arc Welding

K. Nomura, Y. Ogino, T. Haga, K. Murakami, T. Hirano, Y. Hirata

Annual Assembly of the International Institute of Welding (IIW) 2010　2010/07/13

Numerical Analysis on the Heat Source Characteristics of the Two-Electrodes TIG Arc

Y. Ogino, Y. Hirata, K. Nomura

Annual Assembly of the International Institute of Welding (IIW) 2010　2010/07/12

３次元アークモデルの多電極溶接への適用

Y. Ogino, K. Nomura and Y. Hirata

H22年度春季溶接学会　2010/04/20

Development on Magnetic Control of Arc Plasma in Gas Shielded Arc Welding, 4th report

K. Nomura, K. Murakami, Y. Ogino, T. Hirano and Y. Hirata

H22年度春季溶接学会　2010/04/20

Features of Magnetic Controlled TIG Arc Plasma

K. Nomura, Y. Ogino, K. Murakami, Y. Hirata

International Seminar ‘Numerical Analysis of Weldability’　2009/09/28

Heat Input and Pressure Distribution of TIG Arc on Groove Surface

Y. Ogino, Y. Hirata, K. Nomura

Annual Assembly of the International Institute of Welding (IIW) 2009　2009/07/13

3次元アークモデルの開先部への適用

Y. Ogino, K. Nomura and Y. Hirata

H21年度春季溶接学会　2009/04/22

Development of arc shape control method by cusp type magnetic field in gas shielded arc welding process

K.Nomura, K.Morisaki, Y.Ogino, and Y.Hirata

8th International Welding Symposium (8WS)　2008/11/17

Development on Magnetic Control of Arc Plasma in Gas Shielded Arc Welding, 3rd report

K. Nomura, K. Morisaki, Y. Ogino and Y. Hirata

H20年度秋季溶接学会　2008/09/10

Magnetic Control of Arc Plasma and Its Modeling

K. Nomura, K. Morisaki and Y. Hirata

61st Annual Assembly of the International Institute of Welding (IIW2008)　2008/07/06

3D Analysis on Magnetic Controlled Arc Plasma in Gas Shielded Arc Welding

K. Nomura, K. Morisaki and Y. Hirata

第170回アーク物理委員会　2008/05/28

Development on Magnetic Control of Arc Plasma in Gas Shielded Arc Welding, 2nd report

K. Nomura, K. Morisaki and Y. Hirata

H20年度春季溶接学会　2008/04/08

Development on Magnetic Control of Arc Plasma in Gas Shielded Arc Welding

K. Nomura, K. Morisaki and Y. Hirata

第168回アーク物理委員会　2007/11/30

Development on Magnetic Control of Arc Plasma in Gas Shielded Arc Welding

K. Nomura, K. Morisaki and Y. Hirata

H20年度秋季溶接学会　2007/09/10

Analysis of Second Harmonic Generation Considering Laser Absorption with Repetitive Irradiation

Kazufumi Nomura, Etsuji Ohmura and Yoshinori Hirata

International Conference on Coherent and Nonlinear Optics (ICONO 2005)　2006/05/11

Distortion Analysis of Beam Profile and Pulse Shape of Second Harmonic During Repetitive Irradiation of Picosecond Pulses

Etsuji Ohmura, Kazufumi Nomura and Isamu Miyamoto

Photonics Europe 2004　2004/04/27

Analysis on Conversion Efficiency and Beam Profile of Second Harmonic Generated by KTP

Etsuji Ohmura, Kazufumi Nomura, Isamu Miyamoto

22nd International Congress on Application of Laser & Electro-Optics, ICALEO2003　2003/10/13

Influence of Temporal Pulse Shape on Second Har-monic Generation

Etsuji Ohmura, Kazufumi Nomura, Isamu Miyamoto

Fourth International Symposium on Laser Precision Microfabrication (LPM2003)　2003/06/21

Theoretical Analysis of Second Harmonic Characteristics Generated by KTiOPO4 Crystal

Kazufumi Nomura, Etsuji Ohmura, Alexander Horn, Isamu Miyamoto

Fourth International Symposium on Laser Precision Microfabrication (LPM2003)　2003/06/21

Theoretical Analysis of SHG Conversion Efficiency of Nonlinear Optical Crystal with Gaussian Beam Irradiation

Kazufumi Nomura, Etsuji Ohmura, Isamu Miyamoto

Third International Symposium on Laser Precision Microfabrication (LPM2002)　2003/05/27

Influence of Laser Absorption by Nonlinear Optical Crystal on SHG Efficiency

Etsuji Ohmura, Kazufumi Nomura, Isamu Miyamoto

Third International Symposium on Laser Precision Microfabrication (LPM2002)　2003/05/27

Theoretical Study on SHG Conversion Efficiency for Gaussian Beam and Control of Its Decline

Kazufumi Nomura, Etsuji Ohmura, Isamu Miyamoto

The International Congress on Applications of Lasers & Electro-Optics (ICALEO 2002)　2002/10/14

Laser-Absorption Dependence of SHG Conversion Efficiency by Nonlinear Optical Crystal

Etsuji Ohmura, Kazufumi Nomura, Isamu Miyamoto

The International Congress on Applications of Lasers & Electro-Optics (ICALEO 2002)　2002/10/14