[G] 力学特性の基礎

[310] Temperature dependence of fatigue crack propagation in Ti-6Al-4V at different stress ratios

*Bhargavi　Rani Anne¹, Tatsuya Morikawa¹, Masaki Tanaka¹ (1. Faculty of Engineering, Kyushu University)

キーワード：Fatigue crack propagation、Temperature dependence、stress ratio、crack closure、dislocation activity、work hardening

Present work investigated the origin of temperature dependence of fatigue crack propagation by varying stress ratio in bimodal Ti-6Al-4V