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Simulation of Thermal Barrier Plasma-Sprayed Coatings

Published online by Cambridge University Press:  21 February 2011

Mauro Ferrari ,
John H. Harding  and
Maurizio Marchese
Mauro Ferrari
Affiliation:
Istituto di Meccanica Teorica e Applicata, via Ungheria 43, 33100 Udine, Italy.
John H. Harding
Affiliation:
Harwell Laboratory, Theoretical Physics Division, Building 424. 4, Didcot, Oxon ORA, United Kingdom
Maurizio Marchese
Affiliation:
Dipartimento di Meccanica Strutturale e Progettazione Automatica, Universita' di Trento, Italy.
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Abstract

A general method for the analysis of the thermal stresses of plasma-sprayed thermal barrier coatings is presented. It employs a simulation technique for the reproduction of the microstructural data. Homogenization theories are used, in conjunction with symbolic analysis, in order to obtain a piece-wise homogeneous effective representation of the coating, starting from these data. The temperature portrait and the thermo-elastic fields are numerically obtained.

Type
Research Article
Information
MRS Online Proceedings Library (OPL) , Volume 190: Symposium M – Plasma Processing and Synthesis of Materials III , 1990 , 221
Copyright
Copyright © Materials Research Society 1991

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References

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