Structural Engineering and Mechanics
Volume 29, Number 4, 2008, pages 423-431
DOI: 10.12989/sem.2008.29.4.423
Numerical simulation of relation between interface topography and residual stress in thermal barrier coatings
Guo-Feng Yao , Hong-Mei Ma , Lin-wen Zhang
Abstract
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 describinginterface 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.
Address
- Guo-Feng Yao, Hong-Mei Ma — College of Mechanical Science and Engineering, Nanling Campus, Jilin University, Changchun 130025, ChinaLin-wen Zhang: Jilin College of Traffic Profession Technique, Changchun 130021, China
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