贝氏体钢轨的低温疲劳裂纹扩展行为

刘蓉, 高古辉, 桂晓露, 白秉哲

Low-Temperature Fatigue Crack Propagation Behavior of Bainitic Rail Steel

LIU Rong, GAO Guhui, GUI Xiaolu, BAI Bingzhe

图12 不同温度下贝氏体钢轨中残余奥氏体的体积分数随真应变的变化

Fig.12 Changes of the volume fraction of RA (f) with true strain (ε) for bainitic rail steel tested at different temperatures