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Chromium oxide coatings improve thermal emissivity of aluminaChromium oxide coatings improve thermal radiation characteristics of alumina-coated heater-cathode systems in vacuum tubes. Chromium oxide is applied either as a surface layer or as a doping material. The new coatings eliminate the high temperature migration problems of carbon surface treatments.
Document ID
19660000226
Acquisition Source
Legacy CDMS
Document Type
Other - NASA Tech Brief
Authors
Upshaw, V.
Date Acquired
August 3, 2013
Publication Date
May 1, 1966
Subject Category
Materials
Report/Patent Number
Report Number: WOO-263
WOO-263
Accession Number
66B10227
Distribution Limits
Public
Copyright
Work of the US Gov. Public Use Permitted.

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