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 Hongliang1,2(),CHANG Zhiyuan1,CAI Helong1,DU Pengju1,YANG Dapeng1

图9. 22MnB5与Q&FP热冲压钢的工程应力-应变曲线

Fig.9. Engineering stress-strain curves of 22MnB5 and the press-hardening steels designed by Q&FP concept