曲轴断裂失效原因分析

Analysis on the reason of crankshaft fracture and invalidation

分析了曲轴断裂的性质和原因 ,并从微观机理的角度进行了讨论 ,提出了改善曲轴内在质量 ,提高疲劳强度 。

The article analyzes the reasons and characters of crankshaft fracture,and it sets forth the effective methods to improve the inner_quality,increases the fatigue strength,and prolongs the fatigue life_span of the crankshaft,from the point of microcosmic mechanical nature.