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Residual stress is one of the important mechanical properties of high-temperature coatings and it will be redistributed if the physical discontinuities are presented. The objective of this theoretic study was to investigate the residual stress redistribution within a high-temperature ZrO 2 /NiCoCrAlY coating due to the presence of surface crack. Results indicated that the shape and dimension...
The effects of compositional gradient and thickness of coating on the residual stresses within the ZrO 2 /NiCoCrAlY graded coating were analysed using finite element method. The compositional gradient was characterized by the gradient component. Modeling results showed that the presence of graded properties and compositions within the coating did reduce the stresses discontinuities at the...
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