[S5] S5.Multi-scale analysis of elementary processes in plasticity (VII)（2）

[S5.23] Effect of V addition on deformation in beta titanium alloys

*Rei Yano¹, Tatsuya Morikawa², Shigeto Yamasaki², Tomohito Tsuru³, Masaki Tanaka² (1. Graduate Student, Department of Materials, School of Engineering, Kyushu University, 2. Department of Materials Science and Engineering, Kyushu University, 3. Japan Atomic Energy Agency)

Keywords:β型チタン合金、転位、熱活性化過程、固溶強化、活性化体積

β型チタン合金Ti-22V，Ti-17Vについて種々の温度で引張試験および歪速度急変試験を行い，V添加が転位運動の熱活性化過程に及ぼす影響について考察する．