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

表1 不同组织TC4合金在不同剪切应变速率下的承载时间 (μs)

Table 1 Bearing time of TC4 alloy with different microstructures at different shear strain rates

Specimen 5000 s-1 6000 s-1 7000 s-1 8000 s-1 Equiaxed 83 79 78 74 Lamellar 98 87 84 82 Duplex 86 84 80 77