Rchr
J-GLOBAL ID：200901063240097230   Update date: Sep. 30, 2024

Mikami Yoshiki

ミカミ ヨシキ | Mikami Yoshiki
Affiliation and department：
Osaka University Joining and Welding Research Institute

About Osaka University Joining and Welding Research Institute


Job title： Professor
Research field  (3)： Material fabrication and microstructure control ,  Structural and seismic engineering ,  Machine materials and mechanics
Research keywords  (2)： Welding Mechanics ,  Welding and Joining
Research theme for competitive and other funds  (8)：
  • 2024 - 2028 低炭素エネルギーキャリア輸貯槽用材料に対する要求値明確化のための破壊力学研究
  • 2019 - 2023 地震・波浪影響を高精度予知可能な繰返し予歪損傷考慮型CTOD破壊評価標準法の創成
  • 2019 - 2022 Evaluation of Hydrogen Cracking at Microscopic Scale Considering Localized Distribution of Stress, Strain, and Diffusible Hydrogen
  • 2016 - 2019 Microscopic critical condition of hydrogen induced cracking based on hydrogen diffusion analysis at microscopic scale in dual phase steel
  • 2012 - 2015 Measurement of Microscopic Stress and Strain Distribution at Sub-grain Scale Considering Crystalline Anisotropy
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Papers (210)：
  • Hajime Yamamoto, Yuji Yamamoto, Kazuhiro Ito, Yoshiki Mikami. Compressive Residual Stress Applied to a Low-carbon Steel Surface Alloyed with WC Tool Constituent Elements According to Friction Stir Processing. Materials & Design. 2024. 244. 113225-113225
  • MIKAMI Yoshiki, OKANO Shigetaka. Weld heat conduction and its mechanical effects. Journal of the Japan Welding Society. 2024. 93. 4. 234-242
  • Takumi Ozawa, Tomoya Kawabata, Yoshiki Mikami. Proposal of New Decision Method for Temperature Control Time in Fracture Toughness Test. ISIJ International. 2023
  • Takumi Ozawa, Tomoya Kawabata, Yoshiki Mikami. Improvement of local compression condition for fracture toughness test with Bayesian optimization. Welding in the World. 2023. 67. 2315-2322
  • Hajime Yamamoto, Yuji Yamamoto, Kazuhiro Ito, Yoshiki Mikami. Adapted to generate compressive residual stress and retained austenite in a steel surface layer by friction stir processing with the WC tool. IIW-XI-L, Annual Assembly 2023. 2023. E2
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MISC (153)：
  • Hajime Yamamoto, Yuji Yamamoto, Kazuhiro Ito, Yoshiki Mikami. Alloying of low-carbon steel surface due to friction stir processing with WC tool wear. The 3rd Materials Research Meeting (MRM2023) / The 24th IUMRS-International Conference in Asia (IUMRS-ICA2023), 京都. 2023
  • 植村 幹太, Hong Seong Min, 三上 欣希, 伊藤 和博, 德永 仁寿, 富士本 博紀. 高炭素鋼薄板の端部レーザ溶接における凝固割れに関する数値シミュレーション. 2023年度秋季全国大会, 茨城県つくば市. 2023
  • 洪 聖旻, 植村 幹太, 三上 欣希, 德永 仁寿, 富士本 博紀, 伊藤 和博. Effect of Offset Distance on the Solidification Crack Initiation in the Carbon Steel Plate for the Melt-run Laser Welding. 2023年度秋季全国大会, 富山県富山市. 2023
  • Yoshiki Mikami, Takumi Ozawa, Tomoya Kawabata. Simulation of Weld Residual Stress Distribution in Fracture Toughness Specimen and Its Experimental Validation. 76th IIW Annual Assembly and International Conference, Singapore. 2023
  • Hajime Yamamoto, Yuji Yamamoto, Kazuhiro Ito, Yoshiki Mikami. Adapted to generate compressive residual stress and retained austenite in a steel surface layer by friction stir processing with the WC tool. The 76th IIW Annual Assembly and International Conference on Welding and Joining, Singapore. 2023
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Books (5)：
  • 3.3 微視的応力場によるSCC発生特性評価(第I編 溶接冶金現象のコンピュータ・シミュレーション / 第3章 特性予測シミュレーション)
    一般社団法人 溶接学会 溶接冶金研究委員会 2016
  • 4.2.2.3 溶接部の応力分布を考慮した水素拡散集積解析(第I編 溶接冶金現象のコンピュータ・シミュレーション / 第4章 溶接割れシミュレーション)
    一般社団法人 溶接学会 溶接冶金研究委員会 2016
  • 2.4 EBSDによる微視的応力・ひずみ測定(第II編 溶接冶金現象の可視化 / 第2章 電子線後方散乱回折(EBSD)分析)
    一般社団法人 溶接学会 溶接冶金研究委員会 2016
  • Metallographical Atlas of Steel and Non-ferrous Alloy Welds
    Japan Welding Society 2013
  • Metallographical Atlas of Steel and Non-ferrous Alloy Welds
    Japan Welding Society 2013
Lectures and oral presentations  (9)：
  • 水素割れ評価に向けた材料組織レベルの応力および水素濃度分布の評価
    (一般社団法人軽金属学会 アルミニウム中の水素と材料物性研究部会 2022)
  • 応力および水素濃度の微視的分布に基づく二相ステンレス鋼溶接金属の水素割れ発生特性の検討
    (2022年度第4回特殊材料溶接研究委員会 本委員会 2022)
  • 二相ステンレス鋼の水素割れ発生特性に関する微視組織レベルの応力および拡散性水素濃度分布に基づく考察
    (一般社団法人 日本溶接協会 2019年度 第3回(通算第293回)化学機械溶接研究委員会 2019)
  • 溶接部破壊靱性試験手法の高度化に向けた残留応力シミュレーションの応用
    (ベトナム溶接研究会ホーチミンセミナー 2019)
  • 溶接・接合にともなう材料・力学挙動を考慮した継手性能評価
    (大阪大学接合科学研究所 第16回 産学連携シンポジウム 2019)
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Education (3)：
  • 2004 - 2006 Osaka University Graduate School of Engineering Division of Materials and Manufacturing Science
  • 2002 - 2004 Osaka University Graduate School of Engineering Department of Manufacturing Science
  • 1998 - 2002 Osaka University School of Engineering Department of Mechanical, Materials and Manufacturing Science
Professional career (3)：
  • PhD in Engineering (Osaka University)
  • 修士(工学) (大阪大学)
  • 学士(工学) (大阪大学)
Work history (6)：
  • 2021/10 - 現在 Osaka University Joining and Welding Research Institute Professor
  • 2017/04 - 2021/09 Osaka University Joining and Welding Research Institute Associate Professor
  • 2016/06 - 2017/03 Osaka University Division of Materials and Manufacturing Science, Graduate School of Engineering Associate Professor
  • 2008/04 - 2016/05 Osaka University Division of Materials and Manufacturing Science, Graduate School of Engineering Assistant Professor
  • 2007/04 - 2008/03 Osaka University Pipeline Engineering Joint Research Chair, Graduate School of Engineering, Specially Appointed Assistant Professor
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Awards (13)：
  • 2022/09 - ASTM International Jounal of Testing and Evaluation Best Paper Award
  • 2021/06 - (一社)溶接学会 関西支部 支部長特別賞
  • 2019/11 - International Symposium on Creation of Life Innovation Materials for Interdiscriplinary and International Researcher Development Satellite (iLIM-s) Excellent Presentation Award
  • 2018/11 - 大阪大学 大阪大学賞(若手教員部門)
  • 2017/12 - (一社)溶接学会 平成29年度溶接学会優秀研究発表賞
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Association Membership(s) (5)：
The Iron and Steel Institute of Japan ,  Japanese Society of Steel Construction ,  Japan Society of Civil Engineers ,  The Japan Society of Mechanical Engineers ,  Japan Welding Society
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