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《Heat Treatment of Metals》 2010-04
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Cracking analysis of diesel engine check-valve carrier

QI Yuan-xia1,2,WEI Yi-han2(1.School of Mechanical Engineering,Guangxi University,Nanning Guangxi 530004,China;2.Guangxi Yuchai Machinery Co.,Ltd.,Yulin Guangxi 537005,China)  
Fracture morphology,microstructure and chemical composition of the cracked diesel engine check-valve carrier were analyzed by electron microscope,metallographic examination and so on.The results show that macro-visible inclusions in raw materials is the main reason caused the carrier cracking and oil-leakage.
【CateGory Index】: TK428
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