Rchr
J-GLOBAL ID：200901079777754614   Update date: Apr. 25, 2024

Takahashi Koji

Takahashi Koji
Affiliation and department：
Yokohama National University Faculty of Engineering Division of Materials Science and Chemical Engineering

About Yokohama National University Faculty of Engineering Division of Materials Science and Chemical Engineering


Job title： Professor
Other affiliations (1)：
  • Yokohama National University  Graduate school of Engineering Science Department of Chemistry, Chemical Engineering and Life Science   Professor
Research field  (2)： Structural and functional materials ,  Machine materials and mechanics
Research keywords  (5)： Metal fatigue ,  Surface treatment ,  Fracture mechanics ,  3D積層造形 ,  Shot peening
Research theme for competitive and other funds  (17)：
  • 2022 - 2025 3D積層造形した高強度鋼の超高サイクル疲労強度向上法の確立
  • 2013 - 2024 表面硬化部材の疲労損傷研究部会
  • 2019 - 2022 レーザピーニングによる3D積層造形金属の疲労強度向上と表面欠陥の無害化
  • 2018 - 2021 ローディングアーム用ステンレス鋼の劣化度評価
  • 2016 - 2019 レーザーピーニングと自己き裂治癒によるセラミックスの高温域における信頼性向上
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Papers (256)：
  • 土屋詩織, 髙橋宏治. 3D積層したマルエージング鋼の疲労強度に及ぼす時効処理およびレーザピーニングの影響. ショットピーニング技術. 2024. 36. 1. 2-8
  • KONDO Ryota, TAKAHASHI Koji, TAKAMURA Kosuke, WATANABE Yoichi. Effect of Crystal Structure of Compound Layer on Bending Fatigue Strength of Nitrided Medium Carbon Steel. NETSUSHORI. 2023. 63. 5. 282-289
  • Nakamura Misato, Takahashi Koji, Saito Yuta. Effect of Shot and Laser Peening on Fatigue Strength of Additively Manufactured Aluminum Alloy with Rough Surfaces. Journal of Materials Engineering and Performance. 2023. 32. 4. 1589-1600
  • Tsuji Toshiya, Fujino Masashi, Takahashi Koji. Fatigue Limit Improvement and Rendering Surface Defects Harmless by Shot Peening for Carburized Steel. Metals. 2023. 13. 1
  • ANDO Kotoji, NAM Ki-Woo, KIM Min-Heon, TAKAHASHI Koji. Improvement of Safety and Reliability against Stress Corrosion Cracking of Stainless Steel Welds by Ap-plication of Surface Crack Harmless Technology. Journal of High Pressure Institute of Japan. 2022. 60. 3. 132-141
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MISC (32)：
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Patents (3)：
  • セラミックス製品の製造方法,セラミックス製品
  • 表面硬化高強度セラミックス及びその製造方法
  • 表面欠陥材の疲労限度向上方法
Books (11)：
  • 安全工学便覧
    コロナ社 2019
  • 金属疲労とショットピーニング
    大河出版 2018
  • しなやかで強い鉄鋼材料,3-2-2節: 各種ピーニング技術の原理と高強度化のメカニズム
    (株)エヌ・ティー・エス 2016 ISBN:9784860434533
  • Advances in ceramics matrix composites, Chapter 17: Self-crack-healing behavior in ceramics matrix composites
    Woodhead Publishing 2014 ISBN:9780857091208
  • Handbook of Smart Coatings for Materials Protection, Chapter 22: Structural ceramics with self-healing properties
    Woodhead Publishing 2014 ISBN:9780857096807
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Lectures and oral presentations  (80)：
  • 合金鋼の疲労強度に及ぼす表面硬化熱処理の影響
    (2023年度極限環境対応構造材料研究拠点成果報告会 2024)
  • レーザピーニングおよびショットピーニングによる金属の疲労強度向上と表面欠陥無害化
    (ショットピーニング技術協会 見学会 2023)
  • Effect of crystal structure of compound layer on bending fatigue strength of nitrided medium carbon steel
    (MRM2023)
  • Effects of laser peening on the very high cycle fatigue strength of additively manufactured maraging steel
    (28th IFHTSE2023)
  • 3D積層造形技術で作製したアルミナの強度向上
    (2023年度秋季「ばね及び復元力応用講演会」)
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Education (2)：
  • - 2000 Kyushu University Graduate School, Division of Engineering
  • - 1995 Kyushu University Faculty of Engineering
Professional career (1)：
  • Doctor of Engineering (Kyushu University)
Work history (6)：
  • 2012/01 - 現在 Professor, Yokohama National University
  • 2007/04 - 2011/12 Associate professor, Yokohama National University
  • 2005/01 - 2007/03 Associate professor, Yokohama National University
  • 2003/01 - 2004/12 Lecturer, Yokohama National University
  • 2001/03 - 2002/12 Research associate, Yokohama National University
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Committee career (17)：
  • 2021/04 - 現在 日本機械学会 材料力学部門 部門運営委員
  • 2018/04 - 現在 ショットピーニング技術協会 理事
  • 2017/09 - 現在 International Scientific Committee for Shot Peening Committee member
  • 2017/04 - 現在 日本材料学会疲労部門委員会 幹事
  • 2013/05 - 現在 International Journal of Structural Integrity Editorial Advisory Board
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Awards (27)：
  • 2024/02 - 日本機械学会 日本機械学会 フェロー
  • 2022/11 - Japan Society of Spring Engineers Award for Outstanding Paper, Japan Society of Spring Engineers
  • 2022/03 - Fatigue & Fracture of Engineering Materials & Structures, WILEY Top Cited Articles 2020-2021
  • 2020/11 - Japan Society of Spring Engineers Award for Outstanding Technological Development, Japan Society of Spring Engineers
  • 2020/11 - Japan Society of Spring Engineers Award for Outstanding Paper, Japan Society of Spring Engineers
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Association Membership(s) (6)：
The Japan Society of Mechanical Engineers ,  The Society of Materials Science Japan ,  Japan Society of Spring Engineers ,  High Pressure Institute of Japan ,  The Iron and Steel Institute of Japan ,  ショットピーニング技術協会
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