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2 疲劳裂纹扩展速率测试用紧凑拉伸(CT)试样示意图

Fig.2 Schematic of compact tensile (CT) specimen for fatigue crack growth rate test (unit: mm)