时效处理对Fe-12Mn-8Al-1C-3Cu轻质钢的组织演变和力学性能的影响
刘加晓, 胡晓, 丁桦

Effect of Aging Treatment on Microstructure Evolution and Mechanical Properties of Fe-12Mn-8Al-1C-3Cu Lightweight Steel
LIU Jiaxiao, HU Xiao, DING Hua
图5 实验钢在550℃时效不同时间后的工程应力-工程应变曲线和力学性能
Fig.5 Representative engineering stress-strain curves (a) and the variation of mechanical properties (b) of the experimental steel aged at 550oC for different time