预变形和双级时效对Fe-30Mn-11Al-1.2C奥氏体低密度钢显微组织和力学性能的影响

任平, 陈兴品, 王存宇, 俞峰, 曹文全

Effects of Pre-Strain and Two-Step Aging on Microstructure and Mechanical Properties of Fe-30Mn-11Al-1.2C Austenitic Low-Density Steel

REN Ping, CHEN Xingpin, WANG Cunyu, YU Feng, CAO Wenquan

图2 不同形变热处理状态Fe-30Mn-11Al-1.2C钢的室温拉伸测试结果

Fig.2 Room-temperature tensile test results of Fe-30Mn-11Al-1.2C steel (The hollow circles indicated the necking points) (a) engineering stress-strain curves (b) true stress-strain curves (c) strain hardening rate curves