Ti-62A合金动态软化速率异常的热力学解释及其应变补偿本构方程

王敬忠, 丁凯伦, 杨西荣, 刘晓燕

Thermodynamical Explanation for Abnormal Dynamic Softening Rate of Ti-62A Alloy and Constitutive Equation of Strain Compensation

WANG Jingzhong, DING Kailun, YANG Xirong, LIU Xiaoyan

表1 Ti-62A钛合金的化学成分

Table 1 Chemical composition of Ti-62A titanium alloy (mass fraction， %)

Al Cr Mo Zn Zr Si Fe C N H O Ti 5.25～6.25 1.75～2.25 1.75～2.25 1.75～2.25 1.75～2.25 0.20～0.27 ≤0.15 ≤0.04 ≤0.03 ≤0.0125 ≤0.13 Bal.