| 疲劳裂纹门槛值的快速测定方法 |
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| 引用本文： | 马骥全,马孝成. 疲劳裂纹门槛值的快速测定方法[J]. 大连铁道学院学报, 1988, 0(4) |
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| 作者姓名： | 马骥全 马孝成 |
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| 作者单位： | 大连铁道学院材料力学教研室，大连铁道学院力学实验中心 |
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| 摘 要： | 本文用阶梯状递减的交变载荷测定△K ,结果与公认方法测出的结果符合良好,而且所费时间仅为公认方法的1/3.
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| 关 键 词： | 断裂力学 快速试验 动载荷/疲劳裂纹 门槛值 |
A Rapid Test Method of Fatigue Crack Propagation Threshold |
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| Ma Jiquan Ma Xiaocheng. A Rapid Test Method of Fatigue Crack Propagation Threshold[J]. Journal of Dalian Railway Institute, 1988, 0(4) |
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| Authors: | Ma Jiquan Ma Xiaocheng |
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| Affiliation: | Ma Jiquan Ma Xiaocheng |
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| Abstract: | A rapid test method of fatigue crack prop.gation threshold is presented, the step function of load reduction with time is used in the test. The results agree with data obtained from generally accepted method. and one th est time is only required. |
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| Keywords: | fracture mechanics high speed test dvnamic load/fatigue crack threshold |
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