[G] Fundamentals of Mechanical Properties

[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)

Keywords: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