Rchr
J-GLOBAL ID:200901092822548792   Update date: Jun. 25, 2024

Nagira Tomoya

ナギラ トモヤ | Nagira Tomoya
Affiliation and department:
Other affiliations (1):
Research field  (2): Metals and resources production ,  Structural and functional materials
Research keywords  (4): welding and joining ,  in situ observation ,  solidification ,  recrystallization
Research theme for competitive and other funds  (16):
  • 2023 - 2027 時間分解その場観察による溶接凝固ダイナミクスの解明と溶接技術への展開
  • 2019 - 2024 完全接合(接合部のない接合)技術の開発と新規構造材料の提案
  • 2020 - 2023 摩擦攪拌接合中の再結晶制御による微細組織形成手法の確立
  • 2017 - 2022 Modeling of solidification dynamics supported by 3D time-resolved in-situ observations
  • 2018 - 2020 放射光を利用したアーク溶接現象の可視化による凝固割れの解明
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Papers (204):
  • Tomoya Nagira, Houichi Kitano, Takashi Kimura, Fumiyoshi Yoshinaka, Susumu Takamori, Takahiro Sawaguchi, Takayuki Yamashita, Yasuhiro Aoki, Hidetoshi Fujii, Akihisa Takeuchi, et al. In-situ observation of solidification behaviors of Fe-Mn-Cr-Ni-Si alloy during TIG melt-run welding using synchrotron radiation X-ray. 2024. 214. 114093
  • Tomoya Nagira, Terumi Nakamura, Takahiro Sawaguchi, Masakazu Mori, Yoshiaki Morisada, Hidetoshi Fujii. Friction stir welding of Fe-15Mn-10Cr-8Ni-4Si seismic damping alloy. ISIJ International,. 2023. 63. 12. 2056-2065
  • Tomoya NAGIRA. FSW/FSP研究の現状. JOURNAL OF THE JAPAN WELDING SOCIETY. 2023. 92. 5. 330-331
  • Zexi Wu, Tomoya Nagira, Kohsaku Ushioda, Goro Miyamoto, Hidetoshi Fujii. Microstructures and Tensile Properties of Friction Stir Welded 0.2%C-2%Si-Cr Steels. ISIJ International. 2023. 63. 6. 1084-1095
  • Elucidation of solidification mode of Fe-Mn-Si alloy during TIG spot welding using synchrotron X-ray. Quarterly journal of the Japan Welding Society. 2023. 41. 2. 1s-5s
more...
MISC (1):
  • 柳楽知也, 中村照美, 澤口孝宏, 森正和, 森貞好昭, 藤井英俊. Microstructure and mechanical properties of FSW joint for Fe-Mn-Si seismic damping alloy. 溶接学会全国大会講演概要(Web). 2023. 113
Books (2):
  • In-situ Studies with Photons, Neutrons and Electrons Scattering Π
    2014
  • Progress in Advanced Structural and Functional Materials Design
    2013 ISBN:9784431540632
Lectures and oral presentations  (203):
  • Friction stir welding of Fe-Mn-Si seismic damping alloy
    (2024)
  • Fe-Mn-Si系合金における溶接技術の開発と溶接部の低サイクル疲労特性
    (溶接学会2024年度春季全国大会 2024)
  • 鋳造、溶接時の凝固現象に関する研究
    (日本鉄鋼協会2024年春季(第187回)講演大会 2024)
  • 放射光X線を利用したFe-Mn-Si系合金における溶接中の凝固・相変態挙動の解明
    (日本結晶成長学会国内会議 2023)
  • In situ observation of solidification behaviors of Fe-Mn-Si alloy during TIG welding
    (2023)
more...
Education (6):
  • 2001 - 2004 Osaka University
  • - 2004 Osaka University Graduate School, Division of Engineering
  • 1999 - 2001 Osaka University
  • - 2001 Osaka University Graduate School, Division of Engineering
  • 1995 - 1999 Osaka University School of Engineering
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Professional career (3):
  • bachelor (Osaka University)
  • master (Osaka University)
  • doctor (Osaka University)
Work history (7):
  • 2023/04 - 現在 National Institute for Materials Science
  • 2020/04 - 2023/03 National Institute for Materials Science
  • 2017/03 - 2020/03 Osaka University Joining and Welding Research Institute
  • 2007/04 - 2017/02 Osaka University Graduate School of Engineering, Department of Adaptive Machine Systems
  • 2010/03 - 2011/01 Imperial College London, Academic Visitor
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Awards (26):
  • 2024/03 - (一社)日本鉄鋼協会 学術記念賞(西山記念賞) 鋳造、溶接時の凝固現象に関する研究
  • 2023/05 - (一社)溶接学会溶接冶金委員会 溶接冶金委員会 優秀研究発表賞 放射光X線を利用したFe-Mn-Si系合金の溶接凝固現象の解明
  • 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 放射光X線を利用した溶接凝固現象および凝固割れ形成挙動の解明
  • 2021/03 - 澤村論文賞 Selection of the Massive-like δ-γ Transformation due to Nucleation of Metastable δ Phase in Fe-18 Mass%Cr-Ni Alloys with Ni Contents 8, 11, 14, 20 Mass%
  • 2021/03 - (公社)日本金属学会 第79回日本金属学会功績賞 金属合金の凝固・変形のその場観察を利用した溶接・鋳造欠陥形成機構の解明
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Association Membership(s) (4):
日本鋳造工学会 ,  日本鉄鋼協会 ,  日本金属学会 ,  JAPAN WELDING SOCIETY
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