Elastic properties of silica–silica continuous fibre-reinforced, ceramic matrix composites

Ambient and elevated temperature elastic properties of silica–silica ceramic fibre-reinforced, ceramic–matrix composites (silica–silica CFCCs), obtained using resonance beam technique, have been reported and discussed. The composite exhibits in-plane isotropy and through-thickness anisotropy in the...

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Bibliographic Details
Published in:Scripta materialia 2004-04, Vol.50 (8), p.1121-1126
Main Authors: Prasad, N.Eswara, Loidl, D., Vijayakumar, M., Kromp, K.
Format: Article
Language:English
Subjects:
Ambient and elevated temperatures
Anisotropy
Applied sciences
Elastic properties
Exact sciences and technology
Fibre reinforced metals
Metals. Metallurgy
Powder metallurgy. Composite materials
Production techniques
Resonance beam technique
Silica–silica fibre composites
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Summary:Ambient and elevated temperature elastic properties of silica–silica ceramic fibre-reinforced, ceramic–matrix composites (silica–silica CFCCs), obtained using resonance beam technique, have been reported and discussed. The composite exhibits in-plane isotropy and through-thickness anisotropy in the elastic properties at ambient temperatures and increasing elastic moduli with increasing test temperature. The latter results are attributable to the change in the nature of atomic bonding of the silica material up to about 1173 K and further increase in moduli with temperature is due to the combined effects of devitrification and densification due to sintering.
ISSN:1359-6462
1872-8456
DOI:10.1016/j.scriptamat.2004.01.029