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10 3种晶粒尺寸Fe-22Mn-3Al-0.6C TWIP钢的总应变幅-寿命、饱和应力幅-寿命、饱和滞回能-寿命关系
Fig.10 Fatigue life data of Fe-22Mn-3Al-0.6C TWIP steels with three different grain sizes
(a) Coffin-Mansion curves
(b) Basquin curves
(c) Hysteretic energy model