面向等离子体第一壁W-Y2O3 复合材料的力学性能

陈昱溟, 朱晓勇, 谭晓月, 刘家琴, 吴玉程

Mechanical Properties of W-Y2O3 Composites as Candidate of the First Wall Material Faced Plasma

CHEN Yuming, ZHU Xiaoyong, TAN Xiaoyue, LIU Jiaqin, WU Yucheng

表2 用Hollomon's方程拟合纯W高温拉伸的真实应力-应变关系的强度系数和应变硬化指数

Table 2 Strength coefficients and strain-hardening exponents of the Hollomon's equation describing the relationship between true stress and true strain of pure W tensile test at different temperature

T / oC K1 n1 K2 n2 εut / % 400 781.7 0.109 770.1 0.102 10.3 500 674.6 0.092 664.6 0.085 9.3 600 574.0 0.085 565.5 0.079 8.8 800 486.0 0.052 477.1 0.045 5.2