| 某型车辆扭力轴疲劳断裂失效分析 |
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| 引用本文： | 朱有利,谢俊峰,黄元林,周文斌.某型车辆扭力轴疲劳断裂失效分析[J].装甲兵工程学院学报,2010,24(5). |
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| 作者姓名： | 朱有利 谢俊峰 黄元林 周文斌 |
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| 作者单位： | 装甲兵工程学院装备再制造工程系 75310部队 |
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| 摘 要： | 某型车辆扭力轴在端部附近易发生早期疲劳断裂失效。通过断口分析、金相分析等方法研究了扭力轴的失效机理,并通过有限元建模进行了扭力轴的结构应力分析。结果表明:扭力轴端部存在疲劳断裂危险面,以及次表层蕴含大尺寸夹杂是扭力轴失效的主要原因。
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| 关 键 词： | 车辆 扭力轴 疲劳断裂 失效分析 |
Analysis of a Vehicle Torsion Axes Fatigue Fracture Failure |
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| ZHU You-li,XIE Jun-feng,HUANG Yuan-lin,ZHOU Wen-bin.Analysis of a Vehicle Torsion Axes Fatigue Fracture Failure[J].Journal of Armored Force Engineering Institute,2010,24(5). |
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| Authors: | ZHU You-li XIE Jun-feng HUANG Yuan-lin ZHOU Wen-bin |
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| Institution: | 1.Department of Equipment Remanufacture Engineering; Academy of Armored Force Engineering; Beijing 100072; China; 2.Troop No.75310 of PLA; Guigang 537103; China); |
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| Abstract: | Fatigue fracture failure prematurely occurs in one end of vehicle torsion axes. The failure mechanism is studied by means of fracture surface analysis and metallographic examination. Structure stress analysis of the torsion axes is also done by the finite element method. Result shows that the fatigue fracture dangerous surface at an end of torsion axes, the existence of large inclusion in the subsurface of the torsion axes are the primary causes leading to fatigue failure fracture of the torsion axes. |
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| Keywords: | vehicle torsion axes fatigue fracture failure analysis |
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