Rchr
J-GLOBAL ID：202101017108068560   Update date: May. 16, 2024

Hiraga Takehiko

ヒラガ タケヒコ | Hiraga Takehiko
Affiliation and department：
The University of Tokyo Earthquake Research Institute

About The University of Tokyo Earthquake Research Institute


Job title： Professor
Research field  (1)： Solid earth science
Research keywords  (5)： レオロジー ,  粒界・界面 ,  欠陥 ,  鉱物 ,  岩石
Research theme for competitive and other funds  (8)：
  • 2023 - 2028 Grain boundary disordering in minerals
  • 2018 - 2023 鉱物多結晶体の超塑性3 粒径変化とのカップリング
  • 2014 - 2018 Superplasticity of minerals 2
  • 2014 - 2017 "New minerallogy" based on mineral shape
  • 2011 - 2014 Superplasticity of minerals
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Papers (45)：
  • A. Okamoto, T. Hiraga. A Common Diffusional Mechanism for Creep and Grain Growth in Polymineralic Rocks: Application to Lower Mantle Viscosity Estimates. Journal of Geophysical Research: Solid Earth. 2024. 129. 5
  • K. Yabe, S. Koizumi, T. Hiraga. Diffusion creep characteristics of anorthite revealed by uniaxial and pure shear deformation experiments. Journal of Geophysical Research: Solid Earth. 2023. 128. 3
  • A. Okamoto, T. Hiraga. A Common Diffusional Mechanism for Creep and Grain Growth in Polymineralic Rocks: Experiments. Journal of Geophysical Research: Solid Earth. 2022. 127. 9
  • N. Kim, A. Ando, K. Yabe, T. Hiraga. Olivine Morphology and Fabric During Diffusion Creep: Pure Shear Experiments. Journal of Geophysical Research: Solid Earth. 2022. 127. 5
  • S. Ghosh, S. Koizumi, T. Hiraga. Diffusion Creep of Diopside. Journal of Geophysical Research: Solid Earth. 2021. 126. 1
ｍore...
MISC (18)：
  • Hiraga Takehiko. Defects in Rocks and Superplastic Earth Hypothesis. JSAP Annual Meetings Extended Abstracts. 2018. 2018.1. 320-320
  • Yabe Kosuke, Hiraga Takehiko. Synthesis and high-temperature deformation experiments on polycrystalline Fe-bearing olivine. Abstracts for Annual Meeting of Japan Association of Mineralogical Sciences. 2015. 2015. 124
  • 小泉早苗, 鈴木達, 目義雄, 平賀岳彦. 強磁場プロセスを用いたa軸配向forsterite多結晶体の創製. 日本鉱物科学会年会講演要旨集. 2014. 2014
  • Hiraga Takehiko. Rock microstructure developed by grain boundary processes. Annual Meeting of the Geological Society of Japan. 2014. 2014. 227-227
  • Goto A., Hiraga T., Ishibashi H. B2-06 Viscosity measurements of Unzen Fugen-dake Heisei lava. PROGRAMME AND ABSTRACTS THE VOLCANOLOGICAL SOCIETY OF JAPAN. 2013. 2013. 76-76
ｍore...
Work history (3)：
  • 2007 - 現在 The University of Tokyo, Earthquake Research Institute
  • 2001 - 2007 University of Minnesota Twin Cities
  • 1999 - 2004 Tohoku University
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