京都大学 · 工学
Inui教授の研究室では、高エントロピー合金の相安定性や原子配置、機械的・機能的特性の解明を柱として、新規合金の設計と物性の理解を進めています。特に、シンクロトロンX線回折と原子分解能走査型透過電子顕微鏡を用いた精密な構造解析により、Fe-Zn系インタメタル化合物の結晶構造の構築原理を解明しています。また、マイクロピルラーアイソトロピー圧縮試験を用いて、微小な試料で測定された塑性変形挙動とすべり系の特定を通じて、材料の力学的挙動のメカニズムを解明しています。
Figures are computed from collected data and may differ slightly.
This paper reviews a current trend and recent progress in research on phase stability, atomic structures, mechanical and functional properties of high-entropy alloys. The survey is carried out based partly on the special issue published in April, 2020, in Materials Transactions (Vol. 61, No. 4). Research on high-entropy alloys has spread worldwide since the year of 2004, as many of them exhibit attractive properties for structural and functional applications, which have never been achieved in co
The crystal structures of all intermetallics of the Fe–Zn system have been investigated by synchrotron X-ray diffraction combined with atomic-resolution scanning transmission electron microscopy, in order to elucidate a basic principle based on which these crystal structures are constructed. The plastic deformation behavior of all these Fe–Zn intermetallics have also been investigated by micropillar compression testing at room temperature, with the use of small-scale pillar specimens of micromet
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