Volume 23 Issue 5
May  2008
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Article Navigation >  Journal of Aerospace Power  > 2008  >  23(5): 946-951
LI Zhi-yong, BAO Rui, ZHANG Jian-yu, HU Hao-ju, FEI Bin-jun. Effect of different heat transfer coefficients on the performance of thermal barrier coatings under thermo-mechanical couple process[J]. Journal of Aerospace Power, 2008, 23(5): 946-951.
Citation: LI Zhi-yong, BAO Rui, ZHANG Jian-yu, HU Hao-ju, FEI Bin-jun. Effect of different heat transfer coefficients on the performance of thermal barrier coatings under thermo-mechanical couple process[J]. Journal of Aerospace Power, 2008, 23(5): 946-951.
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Effect of different heat transfer coefficients on the performance of thermal barrier coatings under thermo-mechanical couple process

  • School of Aeronautic Science and Engineering, Beijing University of Aeronautics and Astronautics, Beijing 100083, China

  • Received Date: 2007-05-23
  • Rev Recd Date: 2007-09-28
  • Publish Date: 2008-05-28
    Abstract
  • The heat insulation and stress distribution in thermal barrier coatings(TBCs) with different inner wall heat transfer coefficients were studied via finite element method(FEM),laying a foundation for the selection of heat transfer coefficients.The results show that,the temperature of model decreases with the increase of the inner wall heat transfer coefficients,meanwhile,the temperature difference between inner and outer walls increases non-linearly.The maximum stress occurs near the thermally grown oxide(TGO) layer,and its value increases with the increase of heat transfer coefficients.

     

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