Thermal stress field in plasma-sprayed ceramic coatings

Mauro Ferrari; J. H. Harding

doi:10.1115/1.2905929

Thermal stress field in plasma-sprayed ceramic coatings

Mauro Ferrari, J. H. Harding

Houston Methodist Hospital

Research output: Contribution to journal › Article

4 Scopus citations

Abstract

In the cooldown phase of the deposition process, plasma-sprayed ceramic barrier coatings generate large residual stresses. In this paper, a scheme for the analysis of the thermal stresses is given, which accounts for the nonuniformity of the temperature field, and for the microstructure of the coating. The considered microstructural data include the morphology and orientation pattern of the porosities. The case of a coated sphere is studied, as an application. In this connection, the coating structure is computer-simulated, and the temperature profile is numerically determined.

Original language	English (US)
Pages (from-to)	105-109
Number of pages	5
Journal	Journal of Energy Resources Technology, Transactions of the ASME
Volume	114
Issue number	2
DOIs	https://doi.org/10.1115/1.2905929
State	Published - Jan 1 1992

ASJC Scopus subject areas

Renewable Energy, Sustainability and the Environment
Fuel Technology
Energy Engineering and Power Technology
Mechanical Engineering
Geochemistry and Petrology

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