热浸镀锌高强汽车板界面组织对其拉伸断裂行为的影响

于家英¹, 王华¹, 郑伟森¹, 何燕霖¹(

), 吴玉瑞², 李麟¹

Effect of the Interface Microstructure of Hot-Dip Galvanizing High-Strength Automobile Steel on Its Tensile Fracture Behaviors

YU Jiaying¹, WANG Hua¹, ZHENG Weisen¹, HE Yanlin¹(

), WU Yurui², LI Lin¹

图6. 3种高强钢在不同O₂分压下的表面氧化物含量

Fig.6. Contents of surface oxide on high-strength steels No.1 (a), No.2 (b) and No.3 (c) under different O₂ partial pressures ( $p O 2$ ), and comparison among the three steels at $p O 2$ =4.69×10^-21 MPa (d)