汽车用先进高强度冷轧双相钢的显微组织调控和强韧化机理

储双杰, 毛博, 胡广魁

Microstructure Control and Strengthening Mechanism of High Strength Cold Rolled Dual Phase Steels for Automobile Applications

CHU Shuangjie, MAO Bo, HU Guangkui

图11 3种不同马氏体含量的双相钢对应的断裂机理[92]

Fig.11 Fracture mechanisms of three dual phase steels containing different volume fractions of martensite (Vm)[92] (GNDs—geometrically necessary dislocations) (a1-a3) microstructures (b1-b3) stress and strain distributions of DP steels (c1-c3) cracking mechanisms of DP steels with different volume fractions of martensite