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2 实验用钢不同热处理后的显微组织

Fig.2 Microstructures of experimental steels after different heat treatment (a) 1#, (b) 2#, (c) 3#, (d) 4#