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On The Thermally Induced Cracking Of A Segmented Coating Deposited On The Outer Surface Of A Hollow Cylinder
Chen XJ(陈学军); Chen GN(陈光南); Chen XJ
Source PublicationSurface & Coatings Technology
2009
Volume203Issue:9Pages:1114-1120
ISSN0257-8972
AbstractIn this work, the thermally induced cracking behavior of a segmented coating has been investigated. The geometry under consideration is a hollow cylinder with a segmented coating deposited onto its outer surface. The segmentation cracks are modeled as a periodic array of axial edge cracks. The finite element method is utilized to obtain the solution of the multiple crack problem and the Thermal Stress Intensity Factors (TSIFs) are calculated. Based on dimensional analysis, the main parameters affecting TSIFs are identified. It has been found that the TSIF is a monotonically increasing function of segmentation crack spacing. This result confirms that a segmented coating exhibits much higher thermal shock resistance than an intact counterpart, if only the segmentation crack spacing is narrow enough. The dependence of TSIF on some other parameters, such as normalized time, segmentation crack depth, convection severity as well as material constants, has also been discussed. (C) 2008 Elsevier B.V. All rights reserved.
KeywordSegmented Coating Cracking Thermal Stress Intensity Factor (Tsif) Finite Element Method Thick-walled Cylinder Barrier Coatings Axial Cracks Shock Fracture Delamination Stability
DOI10.1016/j.surfcoat.2008.10.002
Indexed BySCI
Language英语
WOS IDWOS:000263388200002
WOS KeywordTHICK-WALLED CYLINDER ; BARRIER COATINGS ; AXIAL CRACKS ; SHOCK ; FRACTURE ; DELAMINATION ; STABILITY
WOS Research AreaMaterials Science ; Physics
WOS SubjectMaterials Science, Coatings & Films ; Physics, Applied
Citation statistics
Cited Times:1[WOS]   [WOS Record]     [Related Records in WOS]
Document Type期刊论文
Identifierhttp://dspace.imech.ac.cn/handle/311007/26738
Collection先进制造工艺力学实验室
Corresponding AuthorChen XJ
Recommended Citation
GB/T 7714
Chen XJ,Chen GN,Chen XJ. On The Thermally Induced Cracking Of A Segmented Coating Deposited On The Outer Surface Of A Hollow Cylinder[J]. Surface & Coatings Technology,2009,203(9):1114-1120.
APA 陈学军,陈光南,&Chen XJ.(2009).On The Thermally Induced Cracking Of A Segmented Coating Deposited On The Outer Surface Of A Hollow Cylinder.Surface & Coatings Technology,203(9),1114-1120.
MLA 陈学军,et al."On The Thermally Induced Cracking Of A Segmented Coating Deposited On The Outer Surface Of A Hollow Cylinder".Surface & Coatings Technology 203.9(2009):1114-1120.
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