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8 热成形钢在闪速加热至不同温度的(200) γ 晶面衍射峰强度与不同热成形工艺样品的位错密度

Fig.8 (200) γ diffraction peak intensities of hot stamping steel after the flash heating to the diff-erent temperatures (a) and dislocation densities of the specimens subjected to both the conven-tional and flash heating processes (b)