晶粒尺寸对Fe-Mn-Al-C系第三代TWIP钢低周疲劳性能的影响

韩婧, 邵琛玮, 邱子浩, 张振军, 张哲峰

Effect of Grain Size on Low-Cycle Fatigue Properties of an Fe-Mn-Al-C Third Generation TWIP Steel

HAN Jing, SHAO Chenwei, QIU Zihao, ZHANG Zhenjun, ZHANG Zhefeng

图1 3种晶粒尺寸Fe-22Mn-3Al-0.6C孪生诱导塑性(TWIP)钢的拉伸应力-应变曲线

Fig.1 Tensile engineering stress-strain curves of Fe-22Mn-3Al-0.6C twinning-induced plasticity (TWIP) steels with three different grain sizes