汽车转向垂臂轴的断裂失效分析

Inactivation Analysis on the Shaft of Steering Plumbing Arm of Trucks

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 shaft of steering plumbing arm of the truck inactivated before it was operated less than two mon-thes.The microscopic and macroscopic view analysis of the fracture surface showed that the reason of thefracture a distortion caused by accidental loading at the Instantaneous moment.