回火时间对2300 MPa屈服强度应变-时效中锰钢组织性能的影响
刘炫业, 刘屹, 汪净, 肖大恒, 贾蕴航, 李春雨, 李云杰, 袁国, 王国栋

Influence of Tempering Duration on Microstructural Evolution and Mechanical Behavior of Strain-aged Medium-manganese Steel with 2300 MPa Yield Strength
LIU Xuanye, LIU Yi, WANG Jing, XIAO Daheng, JIA Yunhang, LI Chunyu, LI Yunjie, YUAN Guo, WANG Guodong
图6 不同回火时间试样的工程应力-工程应变曲线
Fig.6 Engineering stress-engineering strain curves of samples at different times (a) initial sample; (b) pre-strained samples