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针对某悬挂机构扭簧进行了失效分析,故障复现,最后确认了扭簧的断裂性质,为应力腐蚀断裂,原材料表面状态较差是零件断裂的原因。
The torsion spring failure analysis and fault reappearance of a suspension mechanism were carried out. Finally, the fracture properties of the torsion spring were confirmed, which were the causes of stress corrosion cracking and poor surface condition of raw materials.