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J-GLOBAL ID：200901006130683289 Update date: Mar. 26, 2025

Fujii Hidetoshi

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Affiliation and department：
Job title： Professor
Homepage URL (1)： http://www.jwri.osaka-u.ac.jp/~dpt9/

Research field (3)： Metals and resources production , Material fabrication and microstructure control , Metallic materials

Research keywords (7)： Linear Friction Welding , Friction Stir Welding , Joining Science , 溶接工学 , 高温界面工学 , Welding and Joining , High Temperature Interface Engineering

Research theme for competitive and other funds (34)：

2019 - 2024 Development of perfect joint (jointless joint) technology and proposal of new structural materials
2013 - 2023 Development of New Joining Methods of High Carbon Steel
2015 - 2019 母材を大幅に凌ぐ高強度・高延性継手を達成するツールレス新規摩擦接合技術の確立
2014 - 2017 Development of Manually Operated FSW Method and Establishiment of Controlling Method of Texture
2014 - 2017 Basic study on the modification of vacuum plasma sprayed tungsten coating by friction stir processing

2010 - 2016 摩擦攪拌現象を用いたインプロセス組織制御によるマクロヘテロ構造体化技術の確立

2012 - 2014 Development of partial modification technology of structures based on visualization of the solid phase flow phenomenon

2008 - 2010 Development of Severe Deformation/Non-Transformation Process Utilizing Friction Stir Processing

2007 - 2008 高品質接合体を得るための自己超音波印加型溶接法の開発

2005 - 2008 Development of hybrid friction stir welding for ferrous-materials by using composite tool with low environmental influence and its joining mechanism

2005 - 2007 Development of Selfoontrolling Friction Stir Welding for High Temperature Materials and Analysis of Micmsfructure Evolution during Friction Stir Welding

2004 - 2007 Establishment of dispersion technique of carbon nano-fibers and application of the technique to composite materials

2002 - 2003 高温融体間の界面張力の高精度測定システムの開発

2001 - 2003 Surface tension of liquid metal under plasma environment

2001 - 2002 Measurement of thermophysical properties of high temperature melts using an oscillating drop method and a sessile drop method

2000 - 2001 Analysis of bubble behavior and microstructure of aluminum alloys welded by electron beam

2000 - ナノレベルに細粒化した構造材の摩擦攪拌接合

2000 - Friction Stir Welding of Nano Ultra Fine Grained Materials

1998 - 1999 溶融Siの表面張力および溶融Siによる珪化物の濡れ性の測定

1997 - 1998 Precise measurement of physical properties of high melting point melts using microgravity environment

1997 - 高効率溶接法の開発

1997 - 宇宙溶接に関する基礎的研究

1997 - Development of Highly Efficient Welding Method

1997 - Fundamental Studies on welding in Space

1996 - 溶融金属,半導体の熱物性値の高精度測定

1996 - Precise Measurements of Thermophysical Properties of Molten Materials.

1993 - ベイジアンニューラルネットワークによる材料特性の予測・診断

1993 - Bayesian Neural Network Analysis of Materials Properties

高効率溶接法の開発

ベイジアンニューラルネットワークによる材料特性の予測

各種材料の表面張力粘度、密度および濡れ性の測定

Development of Highly efficient welding method

Estimation of Material Properties by Bayesian Neural Network

Measurements of surface tension, viscosity, density and Wettability of Materials

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Papers (889)：

Muneo Matsushita, Daiki Yamagishi, Koichi Taniguchi, Rinsei Ikeda, Hidetoshi Fujii. Development of High-Speed Double-sided Friction Stir Welding Technology with Pre-heating Process for Automotive Advanced High Strength Steel. The Minerals, Metals & Materials Series. 2025. 3-15
C. Phongphisutthinan, W. Rattanathaworn, K. Waree, T. Suga, H. Liu, Y. Morisada, H. Fujii. Friction stir welding of high iron-containing cast aluminum-silicon-magnesium alloys. Materialwissenschaft und Werkstofftechnik. 2025. 56. 2. 173-180
Huihong Liu, Kailiang, Chen, Zexi Wu, Yongbing, Li, Yoshiaki Morisada, Hidetoshi Fujii. A novel multi-stage pressuring strategy to fabricate sound high?carbon steel joints in rotary friction welding. Journal of Manufacturing Processes. 2025. 133. 957-968
Shuhao Zhu, Xiangxiang Zhu, Wenyuan Lv, Ling Cen, Ming Gao, Yufeng Sun, Lihong Wu, Hidetoshi Fujii, Shaokang Guan. The influence of laser-induced tempering on the microstructure and mechanical properties of 1500 MPa martensitic steel friction stir welded joints. Optics and Laser Technology. 2025. 182. 112094
Rishabh Shotri, Takuya Miura, Peihao Geng, Yoshiaki Morisada, Kohsaku Ushioda, Hidetoshi Fujii. Understanding thermal-mechanical variations and resulting joint integrity of pressure-controlled linear friction welding of thin-steel sheets. International Journal of Machine Tools and Manufacture. 2025. 204. 104235

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MISC (1,050)：

Development of high-speed double-sided friction stir welding technology with pre-heating process for automotive advanced high strength steel. TMS 2025 154th Annual Meeting (The Minerals, Metals and Materials Society), Las Vegas, Nevada, USA. 2025
山下享介, 潮田浩作, 藤井英俊, 柳楽知也, 吉中奎貴, 澤口孝宏, ゴンウー, 川崎卓郎, ハルヨステファヌス. 引張変形中その場中性子回折法による摩擦攪拌接合した制振ダンパー合金接合部の変形挙動解析. (公社)日本金属学会 2025年春期第176回講演大会, 東京, 東京都立大学南大沢キャンパス. 2025
山下享介, 小山元道, ゴンウー, ハルヨステファヌス, 川崎卓郎, 潮田浩作, 藤井英俊. 摩擦攪拌接合によるスーパーインバー合金の機械的特性と相安定性の向上. マテリアル革新力強化のための6大学6研究所間連携体制の構築(コア出島・マルチ出島)6大学連携プロジェクト公開討論会, 神奈川, 東京科学大学すずかけ台キャンパス. 2025
Takayuki Yamashita, Riki Toramoto, Motomichi Koyama, Kohsaku Ushioda, Hidetoshi Fujii. Deformation and Martensitic Transformation Behavior in Stir Zone of Friction Stir Welded Fe-Ni-Co Invar Alloy. 3rd International Symposium on Design & Engineering by Joint Inverse Innovation for Materials Architecture -DEJl?MA 2023-, 東京, 早稲田大学. 2024
Effect of Joule Heating Conditions on Pressure-Controlled Joule Heat Forge Welding of A606. 2024

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Patents (306)：

金属材の固相接合方法及び固相接合装置
摩擦攪拌接合用ツール及び摩擦攪拌接合方法
摩擦攪拌接合用ツール及び摩擦攪拌接合方法(欧州)
異材固相接合方法及び異材固相接合構造物 (米国)
金属部材と樹脂部材の接合方法及び接合構造

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Books (19)：

Welding and Joining, Innovative Structureal Materials
Springer 2023 ISBN:9789819935222
異種材料の摩擦接合技術の開発
オーム社 2023 ISBN:9784274230653
中高炭素鋼の摩擦接合技術の開発
オーム社 2023 ISBN:9784274230653
中高炭素鋼の接合技術
オーム社 2023 ISBN:9784274230646
Novel Structured Metallic and Inorganic Materials
Springer 2019 ISBN:9789811376108

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Lectures and oral presentations (277)：

予熱プロセスを適用した両面FSWによる超高強度鋼板の高速接合技術の開発
(第148回軽構造接合加工研究委員会 2025)
接合科学研究所の最近の活動
(第78回新鋭経営会 2024)
摩擦攪拌接合技術
(2024年度溶接工学夏季大学 2024)
高張力鋼の固相抵抗スポット接合
(第145回軽構造接合加工研究委員会 2024)
特別講演1:LFWに秘められた種々の可能性(LFW:リニアフリクション接合)
(軽金属溶接協会年次講演大会 2024)

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Works (35)：

対流制御による高効率溶接法の開発
2005 -
対流制御による革新的高効率TIG溶接法の開発
2005 -
高融点材料対応自己制御型摩擦攪拌接合技術の開発と接合部の組織変化の解析
2005 -
高効率・深溶込みでティグ溶接のメカニズムの解明と最適条件の決定
2005 -
自動車鋼板の摩擦攪拌接合
2005 -

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Education (4)：

- 1993 Waseda University
- 1993 Waseda University Graduate School, Division of Science and Engineering Material Science and Engineering
- 1988 Waseda University School of Science and Engineering
- 1988 Waseda University Faculty of Science and Engineering Material Science and Engineering

Professional career (2)：

Doctor of Engineering (Waseda University)
Master of Engineering (Waseda University)

Work history (15)：

2010/02 - 現在 Osaka University Joining and Welding Research Institute Professor
2007/04 - 2010/01 Osaka University Joining and Welding Research Institute Associate Professor
1997/11 - 2007/03 Osaka University Joining and Welding Research Institute Associate Professor
1996 - 1997 Osaka University Joining and Welding Research Institute
1996 - 1997 Research Associate, Joining and Welding

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Committee career (3)：

2014/04 - 現在 (一社)日本鉄鋼協会代議員
2014/04 - 現在 (一社)溶接学会理事
2004 - 溶接学会アーク物理委員会幹事

Awards (44)：

2024/06 - (一社)軽金属溶接協会軽金属溶接協会賞
2024/06 - (一社)軽金属溶接協会第42回軽金属溶接技術賞
2024/05 - (一社)軽金属溶接協会軽金属溶接協会賞
2023/05 - 公益財団法人本田記念会第20回本多フロンティア賞(The Honda Frontier Award)
2023/03 - 公益財団法人市村清新技術財団第55回市村賞「市村学術賞」貢献賞

2022/12 - (社)溶接学会溶接学会優秀研究発表賞

2022/09 - 大阪大学接合科学研究所接合科学共同利用・共同研究賞

2021/11 - (一社)軽金属学会軽金属学会関東支部優秀研究講演賞

2021/05 - (一社)軽金属溶接協会軽金属学会第140回春季ポスターセッション軽金属溶接協会賞

2020/03 - The Iron and Steel Institute of Japan Mishima Award

2019/11 - International Symposium on Creation of Life Innovation Materials for Interdiscriplinary and International Researcher Development Satellite (iLIM-s) Excellent Presentation Award

2019/06 - 4th International Conference & Exhibition Aluminium-21/Joining Arconic Russia Special Award

2019/05 - 30th International invention, innovation&Technology exhibition 2019 ITEX2019 Gold medal

2018/10 - (一社)生産技術振興協会海外論文発表奨励賞

2018/06 - The 73rd World Foundry Congress Best Paper Award

2017/04 - (一社)溶接学会溶接学会業績賞

2016/09 - (公社)日本金属学会第27回優秀ポスター賞

2016/06 - Foundry Research Institute in Cracow, Poland The Foundry Research Institute's 70th Anniversary Medal

2016/04 - 文部科学省平成28年度科学技術分野の文部科学大臣表彰科学技術賞(研究部門)

2015/06 - (一社)軽金属溶接協会軽金属溶接論文賞

2015/04 - (一社)溶接学会溶接学会論文賞

2014/07 - 大阪大学大阪大学総長顕彰

2013/11 - The Institute of Materials, Minerals and Mining (IOM) Best Paper Award, Science and Technology of Welding and Joining

2012/06 - (社)日本溶接協会日本溶接協会賞技術賞

2012/02 - グローバルCOEプログラム「構造・機能先進材料デザイン教育研究拠点」グローバルCOE第2回論文賞

2011/08 - 大阪大学平成23年度大阪大学功績賞

2011/05 - (社)高温学会 Best Reviewer賞

2011/03 - グローバルCOEプログラム「構造・機能先進材料デザイン教育研究拠点」グローバルCOEプログラム優秀ポスター賞

2010/05 - (社)溶接学会界面接合研究委員会平成21年度界面接合研究賞

2010/04 - (社)溶接学会平成21年度田中亀久人賞

2009/03 - (社)日本金属学会功績賞

2008/11 - Japan Welding Society The 8th International Welding Symposium (8WS), Best Poster TOSHIBA Award

2008/03 - Scripta Materialia Scripta Materialia -Top Ten Referees

2007/07 - (社)溶接学会溶接プロセス技術奨励賞

2006/08 - (社)溶接学会溶接プロセス技術奨励賞

2006/06 - (社)溶接学会溶接学会軽構造接合加工研究委員平成17年度講演奨励賞

2006/05 - (社)軽金属溶接構造協会軽金属溶接技術賞

2005/01 - American Biographical Institute The Contemporary Who's Who of Professionals

2004/11 - The Japan Society of Microgravity Apllication Award of The Japan Society of Microgravity Apllication

2003/11 - Japan Welding Society Arc Physics Award

2002/04 - (社)溶接学会溶接学会国際協力賞

2001/10 - (社)溶接学会研究発表賞

1994/10 - 日本金属学会日本金属学会奨励賞

1988/03 - 古川財団古河山水賞

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Association Membership(s) (3)：

溶接学会 , 鉄鋼協会 , 日本金属学会

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