日本金属学会2024年秋期(第175回)講演大会

Presentation information

共同セッション

[J] JIM-ISIJ Joint Session:Titan and Its Alloys

Thu. Sep 19, 2024 9:00 AM - 11:50 AM Room C (A102 1st floor Building A Center for Education in Liberal Arts and Sciences)

座長:松本 洋明(香川大学)、盛田 元彰(東京海洋大学)

10:50 AM - 11:10 AM

[J6] Unusual Hall-Petch relation of a Ti-6Al-2Sn-4Zr-2Mo-Si alloy with martensitic duplex (α+α”) microstructure: effects of grain size and texture.

*Irvin SECHEPEE1, Hiroaki Matsumoto2, Vincent Velay3 (1. Kagawa University, 2. Kagawa University, 3. IMT Albi)

Keywords:Martensite、Hall-Petch、Slip systems、Multiscale modeling、CRSS

A unique Hall-Petch relation is found in a Ti-6Al-2Sn-4Zr-2Mo-Si alloy with duplex (α+α”) microstructure. The causes are investigated by studying the deformation modes with multiscale modeling.

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