| 汽车付加轴断裂的失效分析 |
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| 引用本文： | 王康喜,李骁.汽车付加轴断裂的失效分析[J].汽车科技,2011(6):63-66. |
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| 作者姓名： | 王康喜 李骁 |
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| 作者单位： | 1. 十堰市康喜工贸公司,十堰,442004
2. 东风汽车公司,十堰,442002 |
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| 摘 要： | 付加轴在汽车运行过程中发生断裂,断裂发生在付加轴与弹簧支架的焊接部位.焊缝结合区的金相组织为淬火马氏体,局部焊接区域内存在未熔合和夹渣缺陷,这些是导致付加轴断裂的根本原因.
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| 关 键 词： | 付加轴 断裂 淬火马氏体 未熔合 夹渣 |
Racture Failure Analysis of Automobile Additional Shaft |
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| WANG Kang-xi,LI Xia.Racture Failure Analysis of Automobile Additional Shaft[J].Automobile Science and Technology,2011(6):63-66. |
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| Authors: | WANG Kang-xi LI Xia |
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| Institution: | 1.Shiyan Kang Xi city industry and Trade Company, Shiyan 442004, China ; 2.Dongfeng Motor Corporation, Shiyan 442002, China ) |
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| Abstract: | The automobile additional shaft was breakdown in the running process.The fracture occurred in the welding location between the spring bracket and additional shaft.The reason caused the fracture was that there were quenched martensite, solid inclusion and incomplete fusion defects in the welding location. |
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| Keywords: | additional shaft crack the quenched martensite incomplete fusion slag |
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