Abstract
In plasma spraying, deposition efficiency depends, to a great extent, on powder losses at the injection point, vaporization phenomena and particle rebound at impact. This paper discusses an attempt to determine the mass balance in metal spraying by studying the injection and vaporization of a metal powder in a plasma jet and correlating the results to the mass deposition efficiency of the process. The study of particle vaporization consisted of measuring the metal atoms concentration by absorption spectroscopy while injection was examined by a 2-D imaging technique.
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Copyright © 1996 ASM International. All rights reserved.
1996
ASM International
Issue Section:
Process Modeling
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