多边形铁素体/针状铁素体双相管线钢的应变硬化行为

荀雨, 严伟, 史显波, 章传国, 单以银, 杨柯, 任毅

Strain Hardening Behavior of Polygonal Ferrite and Acicular Ferrite Dual-phase Pipeline Steel

XUN Yu, YAN Wei, SHI Xianbo, ZHANG Chuanguo, SHAN Yiyin, YANG Ke, REN Yi

图7 PF体积分数对应力比和屈强比的影响

Fig.7 Effect of volume fraction of PF on stress ratio and yield ratio of experimental steels