显微带细化组织和两相组织对低Cr合金钢高温断裂行为的影响
程磊(),余伟,蔡庆伍
Influence of Microbands Refined Microstructure and Two Phase Microstructure on High Temperature Fracture Behaviors of a Low Cr Alloy Steel
CHENG Lei(),YU Wei,CAI Qingwu

图3. (a)和(b)分别为1#显微带细化组织和2#两相组织在550℃、650℃、750℃和650℃低应变速率(10-4 s-1)条件下的拉伸曲线;(c)和(d)为对应变形条件的加工硬化率

Fig.3. Tensile curves of the two kinds of microstructures under different conditions are presented in (a) and (b), related work hardening rates are plotted in (c) and (d), respectively