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Plasma Spraying Of Dense, Rough Bond CoatsSimple modification of plasma torch facilitates spraying of coarse powders. Shape of nozzle changed to obtain decrease in velocity of gas and consequent increase in time particles spend in flame before impact on substrate. Increased residence time allows melting of coarser powders, spraying of which results in rougher bond surfaces.
Document ID
19880000141
Acquisition Source
Legacy CDMS
Document Type
Other - NASA Tech Brief
Authors
Miller, Robert A. (NASA Lewis Research Center, Cleveland, Ohio.)
Edmonds, Brian J. (NASA Lewis Research Center, Cleveland, Ohio.)
Leissler, George W. (Sverdrup Technology, Inc.)
Date Acquired
August 13, 2013
Publication Date
February 1, 1988
Publication Information
Publication: NASA Tech Briefs
Volume: 12
Issue: 2
ISSN: 0145-319X
Subject Category
Fabrication Technology
Report/Patent Number
LEW-14526
Accession Number
88B10141
Distribution Limits
Public
Copyright
Work of the US Gov. Public Use Permitted.

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