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Monolithic ceramicsA development history and current development status evaluation are presented for SiC and Si3N4 monolithic ceramics. In the absence of widely sought improvements in these materials' toughness, and associated reliability in structural applications, uses will remain restricted to components in noncritical, nonman-rated aerospace applications such as cruise missile and drone gas turbine engine components. In such high temperature engine-section components, projected costs lie below those associated with superalloy-based short-life/expendable engines. Advancements are required in processing technology for the sake of fewer and smaller microstructural flaws.
Document ID
19920057230
Acquisition Source
Legacy CDMS
Document Type
Conference Proceedings
Authors
Herbell, Thomas P.
(NASA Lewis Research Center Cleveland, OH, United States)
Sanders, William A.
(NASA Lewis Research Center Cleveland, OH, United States)
Date Acquired
August 15, 2013
Publication Date
January 1, 1992
Subject Category
Nonmetallic Materials
Accession Number
92A39854
Distribution Limits
Public
Copyright
Other

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