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5 贝氏体钢轨的冲击功(Akv)随温度的变化
Fig.5 Changes of Akv with test temperature for bainitic rail steel