贝氏体钢轨的低温疲劳裂纹扩展行为
Low-Temperature Fatigue Crack Propagation Behavior of Bainitic Rail Steel
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 |
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Low-Temperature Fatigue Crack Propagation Behavior of Bainitic Rail Steel |
| LIU Rong, GAO Guhui, GUI Xiaolu, BAI Bingzhe |
| 图10 不同ΔK时贝氏体钢轨在室温下的疲劳裂纹扩展路径 |
| Fig.10 Fatigue crack propagation paths of bainitic rail steel tested under ΔK = 8.0-9.0 MPa·m1/2 (a, b) and ΔK = 13.0-15.0 MPa·m1/2 (c, d) at room temperature (The fatigue crack propagates through the M/A island ① and extends along the boundaries of the M/A island ② in Fig.10a) |
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