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2 Ti-62A合金常数拟合参数

Table 2 Constant fitting parameters of Ti-62A alloy

α n Q lnA C0=0.00924 D0=1.91645 E0=398.95592 F0=36.20351 C1=0.01367 D1=3.79583 E1=-271.00142 F1=-21.10215 C2=-0.05939 D2=-13.6498 E2=137.81848 F2=-11.71244 C3=0.14321 D3=31.05524 E3=584.16655 F3=112.84221 C4=-0.1574 D4=-35.64127 E4=-1548.1067 F4=-209.55112 C5=0.06308 D5=15.75986 E5=960.56284 F5=116.99094