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Interface delamination of the thermal barrier coating subjected to local heating
Wu CW(吴臣武); Huang CG(黄晨光); Chen GN(陈光南)
Source PublicationScience China Technological Sciences
2010
Volume53Issue:12Pages:3168-3174
ISSN1674-7321
AbstractTo investigate the possible failure modes of the thermal barrier coating (TBC) used to protect the scramjet combustion chamber, the local heating via laser beam irradiation was utilized to simulate the service condition of high thermal flux and high temperature gradient. Firstly, the experimental method and process were described and the typical fracture morphology of the TBC under test were provided. Then, the theoretical and finite element modeling were carried out to study the temperature, deformation and stresses of the specimen when the top ceramic coat was subjected to local heating, and to demonstrate the mechanism on the failure of the TBC. It is revealed that the interface delamination shall appear and ultimately lead to the failure of the TBC under such thermal loading of local quick heating. According to the outcome of this study, the driving force of the interface delamination is influenced greatly by the key structural parameters and performance matching. Moreover, by utilizing the rules of the effects of these parameters on the fracture driving force, there is some possibility for the designer to optimize the performances of the TBC.
Keywordtbc Local Heating Interface Delamination Fe Modeling
Subject Area制造工艺力学
DOI10.1007/s11431-010-4160-8
Indexed BySCI
Language英语
WOS IDWOS:000284646700003
WOS Research AreaEngineering ; Materials Science
WOS SubjectEngineering, Multidisciplinary ; Materials Science, Multidisciplinary
Citation statistics
Cited Times:5[WOS]   [WOS Record]     [Related Records in WOS]
Document Type期刊论文
Identifierhttp://dspace.imech.ac.cn/handle/311007/43268
Collection先进制造工艺力学实验室
Corresponding AuthorWu CW(吴臣武)
Recommended Citation
GB/T 7714
Wu CW,Huang CG,Chen GN. Interface delamination of the thermal barrier coating subjected to local heating[J]. Science China Technological Sciences,2010,53(12):3168-3174.
APA 吴臣武,黄晨光,&陈光南.(2010).Interface delamination of the thermal barrier coating subjected to local heating.Science China Technological Sciences,53(12),3168-3174.
MLA 吴臣武,et al."Interface delamination of the thermal barrier coating subjected to local heating".Science China Technological Sciences 53.12(2010):3168-3174.
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