Wang F.,No52 Institute Of Norinco Group |
Yan S.,No52 Institute Of Norinco Group |
Sun Y.,No52 Institute Of Norinco Group |
Liu S.,No52 Institute Of Norinco Group |
And 3 more authors.
Jinshu Rechuli/Heat Treatment of Metals | Year: 2015
A type of car engine crankshaft used for very short period occurs break. The composition and microstructure, crack morphology, crack propagation mode and fracture of the engine crankshaft were studied by optical microscopy, SEM and so on. The results show that the regular cutting marks appeared during the machining process of the crankshaft is the main cause of the fatigue rupture. © 2015, Chinese Mechanical Engineering Society of Heat Treatment. All right reserved.