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6 贝氏体钢轨在室温和-40 ℃下冲击断口形貌的SEM像 |
| Fig.6 Low (a, c) and locally high (b, d) magnified SEM images showing the impact fracture morphologies of bainitic rail steel tested at RT (a, b) and -40 oC (c, d) |
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