板材冷作硬化效应主要取决于母材的强度、伸长率和强屈比，其中强屈比对型钢的冷作硬化效应影响最大；

Strain-hardening are mainly determined by strength, elongation and strength yield ratio of virgin steel, among which the strength yield ratio is the most important influence factor.

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板材冷作硬化效应主要取决于母材的强度、伸长率和强屈比，其中强屈比对型钢的冷作硬化效应影响最大；

Strain-hardening are mainly determined by strength, elongation and strength yield ratio of virgin steel, among which the strength yield ratio is the most important influence factor.

youdao