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Investigation on the effect of crack length on mechanical properties of functionally graded materials
Chen G; Zhao XY(赵希宇); Zhai PC
Source PublicationFRONTIERS OF MANUFACTURING AND DESIGN SCIENCE
2011
Pages2244-2248
Conference Name2010 International Conference on Frontiers of Manufacturing and Design Science, ICFMD2010
Conference DateDEC 11-12, 2010
Conference PlaceChongqing, China
AbstractIn this article, the thermo-mechanical responses of ceramic/metal functionally graded thermal barrier coating(TBC) in work environment are analyzed by a finite element method. Both the crack-tip field and the stress intensity factor of functionally graded TBC are analyzed and calculated. It is discussed that the effect of crack length on mechanical properties of functionally graded TBC in the condition creep and no creep of pure metal. The numerical results indicate that the effect of crack length(a/t) is negligible to temperature distributions and the maximum displacements of whole model but remarkable to the 1st principal stress and stress intensity factor of crack region. Moreover, creep phenomenon of pure metal can relax the value of displacement, stress and stress intensity factor but do not alter their distribution.
KeywordCoatings Cracks Creep Finite Element Method Human Engineering Manufacture Mechanical Properties Stress Intensity Factors Thermal Barrier Coatings Crack Length Crack Tip Fields Finite Element Functionally Graded Maximum Displacement Numerical Results Principal Stress Pure Metals Stress Intensity Thermal Barrier Thermo-mechanical Work Environments
Department非线性力学国家重点实验室
ISBN978-3-03785-004-6
URL查看原文
Indexed ByEI
Language英语
Document Type会议论文
Identifierhttp://dspace.imech.ac.cn/handle/311007/46822
Collection非线性力学国家重点实验室
Corresponding AuthorChen G
Recommended Citation
GB/T 7714
Chen G,Zhao XY,Zhai PC. Investigation on the effect of crack length on mechanical properties of functionally graded materials[C]:TRANS TECH PUBLICATIONS, P.O. BOX 1254, CLAUSTHAL-ZELLERFELD, D-38670, GERMANY,2011:2244-2248.
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