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8 马氏体含量对双相钢力学性能的影响[70]

Fig.8 The effect of martensite volume fraction on the mechanical properties of DP steels[70] (a) microstructures of the DP steel with different volume fractions of martensite (b) stress-strain relationship of DP steels (c) the evolution of strain hardening rate (dσ / dε) with plastic strain of DP steels with different volume fractions of martensite (σ —stress, ε —strain, σ0 —yield strength)