International Journal of Engineering Research

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Analysis on Quenching Cracks of Engine Crankshaft


Affiliations
1 School of Applied Technology, University of Science and Technology, Liaoning, Anshan-114000, China
2 Mechanical College, University of Science and Technology, Liaoning, Anshan-114000, China
 

Engine crankshaft of cracks macro and micro were analyzed by morphological characteristics and quench cracks organization identified as the quenching crack, but further study showed that the ischolar_main cause of this quenching cracks generated not due to the heat treatment process or other causes, but due to poor uniformity of the hot iron casting, elements gathered along the grain boundary segregation.

Keywords

Crack, Hardening, Martensite, Austenite.
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  • Analysis on Quenching Cracks of Engine Crankshaft

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Authors

Jinglong Fan
School of Applied Technology, University of Science and Technology, Liaoning, Anshan-114000, China
Fulong Chen
Mechanical College, University of Science and Technology, Liaoning, Anshan-114000, China

Abstract


Engine crankshaft of cracks macro and micro were analyzed by morphological characteristics and quench cracks organization identified as the quenching crack, but further study showed that the ischolar_main cause of this quenching cracks generated not due to the heat treatment process or other causes, but due to poor uniformity of the hot iron casting, elements gathered along the grain boundary segregation.

Keywords


Crack, Hardening, Martensite, Austenite.