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J-GLOBAL ID：200901080676116046   Update date: Apr. 05, 2024

Ohmura Takahito

オオムラ タカヒト | Ohmura Takahito
Affiliation and department：
National Institute for Materials Science Research Center for Structural Materials

About National Institute for Materials Science Research Center for Structural Materials


Job title： Deputy Director
Research field  (1)： Metallic materials
Research keywords  (14)： ナノインデンテーション ,  材料試験 ,  強度物性 ,  機械的性質 ,  半導体 ,  セラミックス ,  金属 ,  Nanoindentation ,  Materials testing ,  Materials strengthening ,  Mechanical properties ,  Semiconductor ,  Ceramics ,  Metal
Research theme for competitive and other funds  (6)：
  • 2018 - 2021 Analysis on dislocation theory model for local deformation behavior in bcc metal through TEM in-situ straining technique
  • 2015 - 2018 Dislocation theory model for local deformation behavior in bcc metal through TEM in-situ straining technique
  • 2011 - 2013 Mechanical Characterization of grain boundary strengthening through TEM in-situ indentation
  • 2008 - 2010 Mechanical characterization of local deformation behavior in the vicinity of grain boundary
  • 薄膜の力学特性評価 微細組織の局所力学特性とマクロ特性 押込試験における変形機構
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Papers (69)：
  • Silvia Pomes, Nozomu Adachi, Masato Wakeda, Takahito Ohmura. Comparative analysis of nanoindentation-induced incipient deformation of zirconium-based bulk metallic glass in various structural states. Intermetallics. 2024. 168. 108269-108269
  • Silvia Pomes, Nozomu Adachi, Masato Wakeda, Takahito Ohmura. Probing pre-serration deformation in Zr-based bulk metallic glass via nanoindentation testing. Scripta Materialia. 2023. 237. 115713-115713
  • Yanxu Wang, Yo Tomota, Takahito Ohmura, Wu Gong, Stefanus Harjo. Evolution of austenite lattice parameter during isothermal transformation in a 0.4 C low alloyed steel. MATERIALIA. 2023. 27
  • Seiichiro Ii, Takero Enami, Takahito Ohmura, Sadahiro Tsurekawa. Direct measurement of shear stress for dislocation transferring across {111} Σ3 grain boundary in aluminum bicrystal via in situ straining TEM. Scripta Materialia. 2022. 221. 114953-114953
  • Kwangsik Kwak, Yoji Mine, Shigekazu Morito, Takahito Ohmura, Kazuki Takashima. Correlation between strength and hardness for substructures of lath martensite in low- and medium-carbon steels. Materials Science and Engineering A. 2022. 856. 144007
ｍore...
MISC (35)：
  • 長田俊郎, 三留正則, 原徹, 阿部太一, 中尾航, 大村孝仁. 高速でき裂を治癒するファインセラミックス-治癒活用相3Dネットワークの設計-. Fine Ceramics Report. 2019. 37. 1. 16-21
  • 長田俊郎, 阿部太一, 原徹, 三留正則, 大村孝仁. 界面制御による構造材料・構造体の高信頼性化-成果報告 界面構造解析・計算技術がもたらす自己治癒セラミックスの新展開. 金属. 2019. 89. 1. 46-53
  • 後藤健太, 渡邊育夢, 大村孝仁. Evaluation of Elastoplastic Properties from Indentation Test Using Inverse Analysis. 計算工学講演会論文集(CD-ROM). 2018. 23. 4p
  • 後藤健太, 渡邊育夢, 大村孝仁. 押込み試験後の圧痕形状を用いた弾塑性特性の評価. 日本金属学会講演概要(CD-ROM). 2018. 162nd. ROMBUNNO.162
  • Goto Kenta, Watanabe Ikumu, Ohmura Takahito. Sensitivity analysis of indentation and inverse estimation of elastoplastic property. The Proceedings of the Materials and Mechanics Conference. 2018. 2018. 0. OS0903
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Education (4)：
  • Hokkaido University School of Engineering
  • The University of Tokyo The Graduate School of Engineering
  • Faculty of Engineering, Hokkaido University
  • Graduate School of Engineering, The University of Tokyo
Professional career (1)：
  • Doctor of Engineering
Work history (1)：
  • 1996 - 東京大学大学院博士課程修了 金属材料技術研究所入所
Association Membership(s) (4)：
日本鉄鋼協会 ,  日本金属学会 ,  日本機械学会 ,  日本物理学会
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