Modeling the effect of interface characteristics and layer compositional parameters on the residual stress distribution in FG-TBC system: FEM and FIS approach

N. Nayebpashaee; S. H. Seyedein; M. R. Aboutalebi; H. Sarpoolaky; M. M. Hadavi

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자료유형: 학술저널

저자정보: N. Nayebpashaee (Iran University of Science and Technology) S. H. Seyedein (Iran University of Science and Technology) M. R. Aboutalebi (Iran University of Science and Technology) H. Sarpoolaky (Iran University of Science and Technology) M. M. Hadavi (materials and energy research center)

저널정보: 한양대학교 세라믹공정연구센터 Journal of Ceramic Processing Research Journal of Ceramic Processing Research 제17권 제8호

발행연도: 2016.8

수록면: 803 - 814 (12page)

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연구주제

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연구배경

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Thermal barrier coating using turbine industries, application of pre- process simulation and on-line subsequent control basedon physical knowledge are greatly advantageous in order to develop the material performance despite of the time and costefficiency. Fuzzy linguistic- based model is one of the most accepted and promising approaches that is currently used in thecontrol systems of various engineering fields and applications. As for need of industrial units, physical simulation strategiesare too compound for industrial use and less efficient than soft computational techniques. A combination of fuzzy linguisticbasedmodel and finite element method (FEM) has therefore been developed in the terminology of a combined or “hybridmodel” in this study. The hybrid model was applied to predict residual stress during thermomechanical process in functionallygraded thermal barrier coating (FG-TBC). Results show that, interface shape amplitude and ceramic constituent in compositelayer have significant effect in distribution of residual stress in interface regions and can be considered as potent zones for bothvertical and horizontal cracks. In addition, this study shows excellent potential of such finite element-artificial intelligencehybrid approach for analysis of high temperature imposing of these protective coatings.

#Thermal barrier coating (TBC) #functionally graded (FG) #Fuzzy logic (FL) #Finite element method (FEM)

참고문헌 (23)

참고문헌 신청

R. Vaßen / 2010 / Surface and Coatings Technology 205:938~942

L. Wang / 2012 / Applied Surface Science 258:3540~3551

S. M. Naga / 2014 / Advances in Ceramic Matrix Composites / Woodhead Publishing Limited :524~533

M. Ranjbar-far / 2011 / Materials & Design 32:4961~4969

M. Ranjbar-Far / 2011 / Materials & Design 32:728~735

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