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
),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
),CHANG Zhiyuan1,CAI Helong1,DU Pengju1,YANG Dapeng1
图4. 22MnB5和34MnB5V的拉伸曲线和三点尖弯曲载荷-角度曲线
Fig.4. Tensile curves (a) and three points bending load-angle curves (b) of 22MnB5 and 34MnB5V
