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3 不同回火时间试样的组织
Fig.3 Microstructure of sample of different tempering time (a) initial sample; (b) 20 min; (c) 1 h; (d) 2 h; (e) 1 h