闪速加热对2000 MPa级热成形钢显微组织和力学性能的影响

谢泽东, 丁灿灿, 温鹏宇, 罗海文

Effect of Flash Heating on Microstructure and Mechanical Properties of 2000 MPa Hot Stamping Steel

XIE Zedong, DING Cancan, WEN Pengyu, LUO Haiwen

图2 热轧退火板的TEM像和渗碳体EDS分析及冷轧板的SEM像

Fig.2 TEM image of the hot-rolled and annealed steel (Inset shows the EDS compositional analysis of cementite) (a) and SEM image of the cementite in the cold-rolled state (TD—transverse direction, RD—rolling direction, ND—normal direction) (b)