原文传递
Failure Analysis of Cracked Torsion Beam
| 题名： | Failure Analysis of Cracked Torsion Beam |
| 正文语种： | 中文 |
| 作者： | Lan Sha Tang Beiping Liu Bofang Pu Xia Deng Jing |
| 作者单位： | Auto R&D Center,Changan Automobile Co.,Ltd. |
| 关键词： | torsion beam decarburization crack |
| 摘要： | The torsion beam for a certain model of motor vehicle cracked in the bench test.The analysis of cracked torsion beam through fracture microscopic analysis,microstructure test,chemical composition analysis and mechanical properties test,and the re-sults show that the fracture was mainly due to the decarburization of the surface.The decarburized layer is present on the surface of the torsion,thus reducing the hardness and the fatigue strength,induced surface cracks by the external force and accelerating extension of the crack. |
| 会议日期： | 20171024 |
| 会议举办地点： | 上海 |
| 会议名称： | 第19届亚太汽车工程年会暨2017中国汽车工程学会年会 |
| 出版日期： | 1024-01-20 |
| 母体文献： | 第19届亚太汽车工程年会暨2017中国汽车工程学会年会论文集 |
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