Computer simulation of plasma-sprayed coatings II. Effective bulk properties and thermal stress calculations

M. Ferrari; J. H. Harding; M. Marchese

doi:10.1016/0257-8972(91)90138-M

Computer simulation of plasma-sprayed coatings II. Effective bulk properties and thermal stress calculations

M. Ferrari, J. H. Harding, M. Marchese

Research output: Contribution to journal › Article › peer-review

21 Scopus citations

Abstract

A general method for the analysis of the thermal stresses produced during cooling of plasma-sprayed thermal barrier coatings is presented. It relies on a model for the reproduction of the microstructural data presented in the previous (companion) paper. Homogenization theories are used, in conjuction with symbolic analysis, in order to obtain a piecewise homogeneous effective representation of the coating, starting from these data. The temperature portrait and the thermoelastic fields are numerically obtained respectively by finite difference and finite element methods.

Original language	English (US)
Pages (from-to)	147-154
Number of pages	8
Journal	Surface and Coatings Technology
Volume	48
Issue number	2
DOIs	https://doi.org/10.1016/0257-8972(91)90138-M
State	Published - Nov 1 1991

ASJC Scopus subject areas

General Chemistry
Condensed Matter Physics
Surfaces and Interfaces
Surfaces, Coatings and Films
Materials Chemistry

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10.1016/0257-8972(91)90138-M

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abstract = "A general method for the analysis of the thermal stresses produced during cooling of plasma-sprayed thermal barrier coatings is presented. It relies on a model for the reproduction of the microstructural data presented in the previous (companion) paper. Homogenization theories are used, in conjuction with symbolic analysis, in order to obtain a piecewise homogeneous effective representation of the coating, starting from these data. The temperature portrait and the thermoelastic fields are numerically obtained respectively by finite difference and finite element methods.",

author = "M. Ferrari and Harding, \{J. H.\} and M. Marchese",

note = "Funding Information: Dr. John H. Harding acknowledgesp artial funding from the Corporate Research programmeo f the U.K. Atomic Energy Authority.",

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AU - Ferrari, M.

AU - Harding, J. H.

AU - Marchese, M.

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PY - 1991/11/1

Y1 - 1991/11/1

N2 - A general method for the analysis of the thermal stresses produced during cooling of plasma-sprayed thermal barrier coatings is presented. It relies on a model for the reproduction of the microstructural data presented in the previous (companion) paper. Homogenization theories are used, in conjuction with symbolic analysis, in order to obtain a piecewise homogeneous effective representation of the coating, starting from these data. The temperature portrait and the thermoelastic fields are numerically obtained respectively by finite difference and finite element methods.

AB - A general method for the analysis of the thermal stresses produced during cooling of plasma-sprayed thermal barrier coatings is presented. It relies on a model for the reproduction of the microstructural data presented in the previous (companion) paper. Homogenization theories are used, in conjuction with symbolic analysis, in order to obtain a piecewise homogeneous effective representation of the coating, starting from these data. The temperature portrait and the thermoelastic fields are numerically obtained respectively by finite difference and finite element methods.

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Computer simulation of plasma-sprayed coatings II. Effective bulk properties and thermal stress calculations

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