铁素体迅速应变硬化和铁素体到马氏体的载荷传递使双相钢具有较高的初始应变硬化速率和较高的强度。

The higher initial strain hardening rate and higher strength of dual phase are attributed to rapid strain hardening in ferrite and the load transfer from the ferrite to martensite.

youdao

进行三种ST钢的应变硬化指数n值试验，分析试验结果，研究n值在整个应变区间的变化趋势。

This paper has studied the changes about tensile strain hardening exponent (n-value) in three kinds of st steels by testing n-values and found changing tendency of them.

youdao