热冲压成形钢的强度与塑性及断裂应变

易红亮^1,²(

),常智渊¹,才贺龙¹,杜鹏举¹,杨达朋¹

Strength, Ductility and Fracture Strain ofPress-Hardening Steels

YI Hongliang^1,²(

),CHANG Zhiyuan¹,CAI Helong¹,DU Pengju¹,YANG Dapeng¹

图7. 22MnB5与不同处理工艺下热冲压钢的力学性能^{[17,18,19,20,21,36]}

Fig.7. Mechanical properties of 22MnB5 and the press-hardening steels treated by Q&P process^{[17,18,19,20]}and designed by quenching and flash-partitioning (Q&FP) concept^[21] (adjusted to JIS5 standard specimen geometry^[36])