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8 实验用钢的屈强比、应力比和延伸率与应变硬化指数的关系

Fig.8 Relationships between yield ratio, stress ratio, elongation and strain hardening exponent of experimental steels (a) yield ratio vsn value; (b) stress ratio vsn value; (c) elongation vsn value