复合形变超细晶纯钛的动态再结晶模型
马炜杰,杨西荣(),罗雷,刘晓燕,郝凤凤
Dynamic Recrystallization Model of Ultrafine Grain Pure Titanium Prepared by Combined Deformation Process
MA Weijie,YANG Xirong(),LUO Lei,LIU Xiaoyan,HAO Fengfeng

图2. 超细晶纯钛的压缩变形真应力-应变曲线

Fig.2. True stress vs true strain curves after compression deformation of UFG Ti (a) ε˙=0.01 s-1, T=200、300、350、400 and 450℃; (b) ε˙=0.01、0.1 and 1 s-1, T=300℃