| 电机轴断裂失效分析 |
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| 引用本文： | 尹万全,周宏,尹涛.电机轴断裂失效分析[J].物理测试,2000(2):18-22. |
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| 作者姓名： | 尹万全 周宏 尹涛 |
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| 作者单位： | 1. 中国科学院金属研究所沈阳110015
2. 辽宁省分析测试研究中心.沈阳110015 |
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| 摘 要： | 采用化学分析、宏观分析、微观分析和金相检测手段,对电机轴断裂原因进行了探讨.试验结果表明,由于电机轴加工和装配不当,在交变扭转应力作用下,导致花键平齿根部产生应力集中开裂,进而沿轴向断开.最后,在扭转应力作用下促使电机轴发生扭转过载塑性断裂.
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| 关 键 词： | 电机轴 断裂 扭转应力 失效分析 |
| 修稿时间： | 2000年1月8日 |
Analysis of Fracture Failure for Electro-Motor Shaft |
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| Yin Wanquan Zhou Hong Yin Tao.Analysis of Fracture Failure for Electro-Motor Shaft[J].Physics Examination and Testing,2000(2):18-22. |
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| Authors: | Yin Wanquan Zhou Hong Yin Tao |
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| Abstract: | The analysis of fracture failure for electro-motor shaft was explored with the chemical analysis, macroanalysis, microanalysis and metallographical inspection method. The experimental results showed as follows: under the cyclic twist stress, the bottom of flat teeth of spline shaft fissured with stress concentration that it was due to machining and installing imprudence. Thereafter , the flat teeth were fissured along longitudinal direction of spline shaft. Finally, the electro-motor shaft produced plastic fracture of overload twist. |
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| Keywords: | electro-motor shaft fracture twist stress |
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