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Processing, texture and mechanical properties of sintered silicon carbideWith regard to its favorable properties, in particular those shown at high temperatures, silicon carbide is of great interest for applications related to the construction of engines and turbines. Thus, silicon carbide could replace heat-resisting alloys with the objective to achieve a further increase in operational temperature. The present investigation is concerned with approaches which can provide silicon carbide material with suitable properties for the intended applications, taking into account the relations between characteristics of the raw material, material composition, sinter conditions, and results of the sintering process. The effects of density and texture formation on the mechanical properties are studied. It is found that a dense material with a fine-grained microstructure provides optimal mechanical properties, while any deviation from this ideal condition can lead to a considerable deterioration with respect to the material properties.
Document ID
19880011921
Acquisition Source
Legacy CDMS
Document Type
Reprint (Version printed in journal)
Authors
Landfermann, H.
(NASA Headquarters Washington, DC United States)
Hausner, H.
(NASA Headquarters Washington, DC United States)
Date Acquired
September 5, 2013
Publication Date
April 1, 1988
Subject Category
Nonmetallic Materials
Report/Patent Number
NAS 1.77:20253
NASA-TT-20253
Accession Number
88N21305
Funding Number(s)
CONTRACT_GRANT: NASW-4307
Distribution Limits
Public
Copyright
Public Use Permitted.
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