NDLI: Oxidation kinetics of coated silicon carbide fiber-reinforced silicon carbide (sic/sic)

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Oxidation kinetics of coated silicon carbide fiber-reinforced silicon carbide (sic/sic)

Content Provider	NASA Technical Reports Server (NTRS)
Author	Fox, Dennis S.
Organization	The National Aeronautics and Space Administration (NASA)
Copyright Year	1994
Abstract	Silicon carbide fiber-reinforced silicon carbide (SiC/SiC) was exposed for 100 hours to dry, flowing oxygen. Oxidation kinetics were determined via thermogravimetric analysis at 981, 1204 and 1316 C (1800, 2200 and 2400 F). The effectiveness of three external coating systems applied for oxidation protection is discussed. In all cases, weight gains were observed, and the pyrolytic carbon interface layer remained intact. A CVD (Chemical Vapor Deposition) SiC external coating is the most promising due to low oxidation kinetics resulting from solid silica formation. A borosilicate glass was observed on the surface of two of the materials that have boron-containing coatings.
File Size	651510
File Format	PDF
Alternate Webpage(s)	http://www.archive.org/details/nasa_techdoc_19960052117
Archival Resource Key	ark:/13960/t8mc9t17j
Language	English
Publisher Date	1994-01-01
Publisher Institution	Glenn Research Center
Access Restriction	Open
Subject Keyword	Structural Design Cantilever Beams Mean Structural Failure Substructures Flexibility Dynamic Structural Analysis Random Variables Dynamic Characteristics Distribution Functions Statistical Distributions Resonant Frequencies Stiffness Eigenvalues Ntrs Nasa Technical Reports Server (ntrs) Nasa Technical Reports Server Aerodynamics Aircraft Aerospace Engineering Aerospace Aeronautic Space Science
Content Type	Text

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