热冲压成形钢的强度与塑性及断裂应变

易红亮,常智渊,才贺龙,杜鹏举,杨达朋

Strength, Ductility and Fracture Strain ofPress-Hardening Steels

Hongliang YI,Zhiyuan CHANG,Helong CAI,Pengju DU,Dapeng YANG

表1 22MnB5和34MnB5V的化学成分[14] (mass fraction / %)

Table 1 Chemical compositions of 22MnB5 and 34MnB5V[14]

Steel C Si Mn Ti B V Fe 22MnB5 0.22 0.22 1.33 0.029 0.0031 - Bal. 34MnB5V 0.34 0.32 1.39 0.030 0.0025 0.11~0.30 Bal.