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Thermal-Barrier Coatings Containing YtterbiaResistance to thermal cycling increased. New outer ceramic coating layer for two-layer or graded thermal-barrier coating developed. Ceramic overlay zirconia stabilized with ytterbia and used in conjunction with NiCrAlY or NiCrAlYb bond coats. Two-layer system evaluated in furnace testing at temperatures cycled between 2,025 degrees F and 575 degrees F.
Document ID
19870000326
Acquisition Source
Legacy CDMS
Document Type
Other - NASA Tech Brief
Authors
Stecura, Stephan (NASA Lewis Research Center, Cleveland, Ohio.)
Date Acquired
August 13, 2013
Publication Date
July 1, 1987
Publication Information
Publication: NASA Tech Briefs
Volume: 11
Issue: 7
ISSN: 0145-319X
Subject Category
Materials
Report/Patent Number
ISSN: 0145-319X
Report Number: LEW-14057
LEW-14057
Accession Number
87B10326
Distribution Limits
Public
Copyright
Work of the US Gov. Public Use Permitted.

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