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Failure Analysis of Joint Lever Used in Automobile
Author(s): 
Pages: 149-151
Year: Issue:  19
Journal: Hot Working Technology

Abstract: 某厂生产的汽车连接杆在低应力下断裂,采用宏观断口分析、金相分析、扫描电镜断口分析等方法对断裂连杆进行了分析.结果表明,在连接杆焊缝附近的热影响区中存在大量针状马氏体组织,在低应力的作用下,导致材料发生脆性断裂.
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