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汽车转向垂臂轴在运行不到两个月的时间内失效,对其断口进行宏观、微观分析,确定其断裂性质系一次性扭转断裂,其原因系在使用中受到瞬时的意外载荷所致。
The turning direction of the pendulum arm of the car failed in less than two months of operation, and the macroscopic and microcosmic analysis of its fracture was conducted to determine the nature of the fracture, which was a one-time torsional fracture. The reason was that it was subjected to transient accidental loads during use.