回火时间对<strong>2300 MPa</strong>屈服强度应变<strong>-</strong>时效中锰钢组织性能的影响

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

表2 对屈服强度的贡献

Table 2 Contribution to yield strength

Sample	$σ_{d, i}$ / MPa	$Δ σ_{d, i}$	BH/ MPa	$Δ σ_{d, i}$ + BH/ MPa	YS/ MPa	$Δ$ YS/ MPa
Initial	440	-	-	-	1025	-
20 min	1086	646	460	1106	2198	1173
1 h	979	539	563	1102	2301	1276
2 h	947	507	573	1080	2311	1286