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High-Emissivity Coatings For High-Temperature SurfacesPlasma-sprayed coatings increase cooling by thermal radiation. Coating of zirconium diboride on tungsten or molybdenum increases emissivity of surface to more than 0.6 at 2,000 degree C. Applied by plasma-arc spraying after surface cleaned and roughened to ensure adhesion.
Document ID
19880000287
Acquisition Source
Legacy CDMS
Document Type
Other - NASA Tech Brief
Authors
Deininger, William D. (Caltech)
King, David Q. (Caltech)
Date Acquired
August 13, 2013
Publication Date
May 1, 1988
Publication Information
Publication: NASA Tech Briefs
Volume: 12
Issue: 5
ISSN: 0145-319X
Subject Category
Materials
Report/Patent Number
NPO-17122
Accession Number
88B10287
Distribution Limits
Public
Copyright
Work of the US Gov. Public Use Permitted.

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