显微组织和应变速率对TC4合金动态力学性能和绝热剪切带的影响

陈伟, 章环, 牟娟, 朱正旺, 张海峰, 王沿东

Effects of Microstructure and Strain Rate on Dynamic Mechanical Properties and Adiabatic Shear Band of TC4 Alloy

CHEN Wei, ZHANG Huan, MU Juan, ZHU Zhengwang, ZHANG Haifeng, WANG Yandong

图4 不同组织TC4合金在不同剪切应变速率下的动态剪切应力-应变曲线

Fig.4 Dynamic shear stress-strain curves of TC4 alloy with different microstructures at different shear strain rates (a) equiaxed microstructure (b) lamellar microstructure (c) bimodal microstructure (d) the shear strain rate of equiaxed microstructure is 7467 s-1