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Composite Refractory Felt/Ceramic MaterialCeramic protective coatings on combustor liners adhere better. Report discloses results of recent combustor-liner research where thick yttria stabilized zirconia ceramic was plasma-sprayed on BRUNSBOND substrates and exposed to nearly stoichiometric combustion. Combustor screening tests exposed 30 test specimens to nearly-stoichiometric flame temperatures of 3,450 degrees F (2,170 K) for 4 cycles. After completion of screening tests, all 30 specimens showed no visible evidence of discoloration or failure. There were no mudflat cracks, felt/ceramic, or backing/felt separations on any panels.
Document ID
19860000141
Acquisition Source
Legacy CDMS
Document Type
Other - NASA Tech Brief
Authors
Ercegovic, D. B.
Walker, C. L.
Norgren, C. T.
Date Acquired
August 12, 2013
Publication Date
May 1, 1986
Publication Information
Publication: NASA Tech Briefs
Volume: 10
Issue: 2
ISSN: 0145-319X
Subject Category
Materials
Report/Patent Number
LEW-14238
ISSN: 0145-319X
Report Number: LEW-14238
Accession Number
86B10141
Distribution Limits
Public
Copyright
Work of the US Gov. Public Use Permitted.

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