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Structural Engineering and Mechanics
  Volume 29, Number 4, July10 2008 , pages 423-431

Numerical simulation of relation between interface topography and residual stress in thermal barrier coatings
Guo-Feng Yao, Hong-Mei Ma and Lin-wen Zhang

    With respect to thermal barrier coating, the analysis of interface cohesion and residual stress is important to the life of TBC from mechanical view point. Up to now, there is not a model of describing
interface cohesion. In the paper, we give a simple model of computing residual stress and study the residual stress of TBC with ANSYS. The distribution of the residual stress in different interface topography and the relationship between the residual stress and the interface topography dimension are presented.
Key Words
    thermal barrier coatings; numerical simulation; residual stress; interface topography.
Guo-Feng Yao and Hong-Mei Ma: College of Mechanical Science and Engineering, Nanling Campus, Jilin University, Changchun 130025, China
Lin-wen Zhang: Jilin College of Traffic Profession Technique, Changchun 130021, China

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