The results of the tests show that the DYC is due to the martensite deformation from the elastic state to the plastic state and the microvoid formed from the interphase boundaries.

• 试验结果指出,双相钢的双屈服特性的产生是由于马氏体相从弹性变形过渡到塑性变形以及相界面微空洞萌生的结果。