Investigation into diesel engine cylinder head failure
Jing, Guo Xi1; Zhang, Meng Xiao2; Qu, Shen2; Pang, Jian Chao2; Fu, Chang Ming2; Dong, Chen1; Li, Shou Xin2; Xu, Chun Guang1; Zhang, Zhe Feng2
Corresponding AuthorPang, Jian Chao( ; Zhang, Zhe Feng(
AbstractThe failure analyses of the cast iron cylinder head of diesel engine, including the chemical composition, microstructure, mechanical properties, crack initiation and propagation, were studied in this paper. Based on the results, it was found that the most dangerous site analyzed by the dye penetrant inspection is the thinnest area of the bridge zone. In high temperature, the oxidation phenomenon becomes severe. The cracks initiate from the interface between the graphite and ferrite matrix in the surface of the cylinder head, and the oxide promotes the crack propagation. Failure of the engine cylinder head is mainly caused by the thermal fatigue, which was proved by the result of finite element method and crack morphology. Furthermore, the improvement of thermal conductivity of material is a useful way to enhance the service life of engine.
KeywordCylinder head Failure analysis Finite element method Thermal fatigue Crack morphology
Funding OrganizationNational Natural Science Foundation of China (NSFC)
Indexed BySCI
Funding ProjectNational Natural Science Foundation of China (NSFC)[51331007]
WOS Research AreaEngineering ; Materials Science
WOS SubjectEngineering, Mechanical ; Materials Science, Characterization & Testing
WOS IDWOS:000432858400004
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Cited Times:13[WOS]   [WOS Record]     [Related Records in WOS]
Document Type期刊论文
Corresponding AuthorPang, Jian Chao; Zhang, Zhe Feng
Affiliation1.China North Engine Res Inst, 96 Yongjin Rd, Tianjin 300400, Peoples R China
2.Chinese Acad Sci, Inst Met Res, Shenyang Natl Lab Mat Sci, 72 Wenhua Rd, Shenyang 110016, Liaoning, Peoples R China
Recommended Citation
GB/T 7714
Jing, Guo Xi,Zhang, Meng Xiao,Qu, Shen,et al. Investigation into diesel engine cylinder head failure[J]. ENGINEERING FAILURE ANALYSIS,2018,90:36-46.
APA Jing, Guo Xi.,Zhang, Meng Xiao.,Qu, Shen.,Pang, Jian Chao.,Fu, Chang Ming.,...&Zhang, Zhe Feng.(2018).Investigation into diesel engine cylinder head failure.ENGINEERING FAILURE ANALYSIS,90,36-46.
MLA Jing, Guo Xi,et al."Investigation into diesel engine cylinder head failure".ENGINEERING FAILURE ANALYSIS 90(2018):36-46.
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