一种新型高强塑积异质冷轧中锰钢的力学性能
张喜亮, 侯华峰, 刘涛, 刘宏基, 周骞, 赵雷杰, 刘晓艳, 崔好选

Microstructure and Mechanical Properties of a Novel Heterogeneous Cold-rolled Medium Mn Steel with High Product of Strength and Ductility
ZHANG Xiliang, HOU Huafeng, LIU Tao, LIU Hongji, ZHOU Qian, ZHAO Leijie, LIU Xiaoyan, CUI Haoxuan
表1 退火和回火处理后试验钢的拉伸测试结果
Table 1 Tensile test results of the annealed and tempered steels

YS

/MPa

UTS

/MPa

TE

/MPa

PSE

/GPa?%

Volume fraction of γ/%Average grain size of γ/μm
EBSDXRD
A66980107218.119.48.321.10.33
A681060127254.569.33436.30.41
A70849129823.530.54241.30.67