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Making Ceramic Components For Advanced Aircraft EnginesLightweight, oxidation-resistant silicon nitride components containing intricate internal cooling and hydraulic passages and capable of withstanding high operating temperatures made by ceramic-platelet technology. Used to fabricate silicon nitride test articles of two types: components of methane-cooled regenerator for air turbo ramjet engine and components of bipropellant injector for rocket engine. Procedures for development of more complex and intricate components established. Technology has commercial utility in automotive, aircraft, and environmental industries for manufacture of high-temperature components for use in regeneration of fuels, treatment of emissions, high-temperature combustion devices, and application in which other high-temperature and/or lightweight components needed. Potential use in fabrication of combustors and high-temperature acoustic panels for suppression of noise in future high-speed aircraft.
Document ID
19940000609
Acquisition Source
Legacy CDMS
Document Type
Other - NASA Tech Brief
Authors
Franklin, J. E.
(Gencorp, Aerojet Propulsion Div.)
Ezis, A.
(Cercom, Inc.)
Date Acquired
August 16, 2013
Publication Date
November 1, 1994
Publication Information
Publication: NASA Tech Briefs
Volume: 18
Issue: 11
ISSN: 0145-319X
Subject Category
Fabrication Technology
Report/Patent Number
LEW-15667
Accession Number
94B10609
Distribution Limits
Public
Copyright
Work of the US Gov. Public Use Permitted.

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