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5 实验用钢的应力-应变曲线

Fig.5 Engineering stress-strain curves of experimental steels