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13 室温和-40 ℃时贝氏体钢轨的加工硬化曲线

Fig.13 Instantaneous work hardening curves for bainitic rail steel tested at RT and -40 oC