冷轧中锰钢的再结晶调控及其对力学性能的影响

胡宝佳, 郑沁园, 路轶, 贾春妮, 梁田, 郑成武, 李殿中

Recrystallization Controlling in a Cold-Rolled Medium Mn Steel and Its Effect on Mechanical Properties

HU Baojia, ZHENG Qinyuan, LU Yi, JIA Chunni, LIANG Tian, ZHENG Chengwu, LI Dianzhong

图10 经700℃预退火并ART处理试样的真应力-真应变曲线和相应的加工硬化率曲线及不同变形阶段微观组织的EBSD像

Fig.10 True stress-true strain curve with the corresponding work hardening rate curve (a), EBSD phase distribution maps (b-d) and geometrically necessary dislocations (GNDs) maps (e-g) of the R-ART700 sample when stretching to true strains of ε = 0.0 (b, e), 0.05 (c, f), and 0.10 (d, g), respectively (The white circle areas are identified as the prior globular retained austenite areas, and the black circle area is identified as the prior lath-like retained austenite area)