时效态Fe-Mn-Al-C钢的性能和变形机制

王萍, 郭爱民, 侯清宇, 郭云侠, 黄贞益, 光剑锋

Properties and Deformation Mechanism of Aged Fe-Mn-Al-C Steel

WANG Ping, GUO Aimin, HOU Qingyu, GUO Yunxia, HUANG Zhenyi, GUANG Jianfeng

图7 试验钢拉伸断口形貌

Fig.7 Tensile fracture morphology of experimental steel (a) solid solution; (b) aged at 450℃; (c) aged at 500℃; (d) aged at 550℃