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Technical note - Plasma-sprayed ceramic thermal barrier coatings for smooth intermetallic alloysA new approach for plasma spray deposition of ceramic thermal barrier coatings directly to smooth substrates is described. Ceramic thermal barrier coatings were directly applied to substrates that had been coated with low-pressure plasma sprayed NiCrAlY bond coats and then centerless ground to simulate a smooth oxidation-resistant substrate. As the high-temperature oxidation behavior of NiAl+Zr is superior to that of MCrALY alloy, the bond coat is not required for oxidation resistance.
Document ID
19930031705
Acquisition Source
Legacy CDMS
Document Type
Reprint (Version printed in journal)
Authors
Miller, R. A.
(NASA Lewis Research Center Cleveland, OH, United States)
Doychak, J.
(NASA Lewis Research Center Cleveland, OH, United States)
Date Acquired
August 15, 2013
Publication Date
September 1, 1992
Publication Information
Publication: Journal of Thermal Spray Technology
Volume: 1
Issue: 3
ISSN: 1059-9630
Subject Category
Mechanical Engineering
Accession Number
93A15702
Distribution Limits
Public
Copyright
Other

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