日本金属学会2020年秋期(第167回)講演大会

Presentation information

一般講演

4.Mechanical Properties » Mechanical Properties of Materials and Sturucture

[G] Mechanical Properties of Materials and Sturucture(2)

Thu. Sep 17, 2020 9:00 AM - 11:20 AM Rm. M (ZoomRm.M)

Chair: Sub Chairman (assistant):Seiichiro Ii

10:35 AM - 10:50 AM

[239] Effect of Microstructure Factor on Room-temperature Fracture Toughness of γ-TiAl Alloys

*Ryosuke YAMAGATA1, Hirotoyo NAKASHIMA1, Masao TAKEYAMA1 (1. Department of Materials Science & Engineering, School of Materials and Chemical Technology, Tokyo Institute of Technology)

Keywords:γ-TiAl基合金、破壊靱性

組織をα2/γラメラからβ/γラメラ組織まで幅広く制御したTiAl基合金の破壊靱性と組織因子の関係を調査した.結果,α2/γラメラはβ/γラメラと比較して高いき裂発生および伝播抵抗を有することが明らかとなった.

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