In this paper, a quantitative model of the viscous behavior of two-phase particles hitting a substrate is used to optimize a plasma spraying process for silicon-nitride composite layers. The model is derived from the observed behavior of Si3N4-YAS (Y2O3-Al2O3-SiO2) layers and provides a basis for further study of ceramic-matrix composite layers. Paper includes a German-language abstract.

matrix phase, plasma spraying, process model, silicon nitride-YAS coating, splat flow
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Copyright © 2002 Verlag für Schweißen und verwandte Verfahren DVS-Verlag GmbH. All rights reserved.
2002
Verlag für Schweißen und verwandte Verfahren DVS-Verlag GmbH
Topics
Silicon nitride ceramics Aluminum-silicate glass-ceramics Plasma spray coating Process modeling and simulation
Issue Section:
Thermal Barrier and Ceramic Coating Processes
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