超级奥氏体不锈钢<strong>24Cr-22Ni-7Mo-0.4N</strong>的热变形行为及其组织演变

超级奥氏体不锈钢24Cr-22Ni-7Mo-0.4N的热变形行为及其组织演变

赵政翔, 廖露海, 徐芳泓, 张威, 李静媛

Hot Deformation Behavior and Microstructue Evolution of Super Austenitic Stainless Steel 24Cr-22Ni-7Mo-0.4N

ZHAO Zhengxiang, LIAO Luhai, XU Fanghong, ZHANG Wei, LI Jingyuan

图3 超级奥氏体不锈钢24Cr-22Ni-7Mo-0.4N在应变速率为1 s^-1和10 s^-1条件下加工硬化率( $θ = {\frac{\partial σ}{\partial ε}|}_{T, \dot{ε}}$ )随应力的变化

Fig.3 Variation of the work hardening rate ( $θ = {\frac{\partial σ}{\partial ε}|}_{T, \dot{ε}}$ ) with stress at strain rate of (a) 10 s^-1 and (b) 10 s^-1 in super austenitic stainless steel 24Cr-22Ni-7Mo-0.4N