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1 力学性能测试取样位置示意图

Fig.1 Schematic of sampling positions for mechanical property testing (RD—rolling direction, ND—normal direction, TD—transverse direction)