Carbon fibre-reinforced silicon nitride composites by slurry infiltration
Conference
·
OSTI ID:134912
- Commission of the European Communities, Petten (Netherlands)
The present paper reports on the fabrication of long-carbon fibre reinforced silicon nitride matrix composites by liquid infiltration of an aqueous Si{sub 3}N{sub 4} slurry followed by hot-pressing. A methodology for the maximum volume and uniform infiltration of preforms has been developed by optimising slurry rheology and fibre wetting conditions. Fully infiltrated green forms of 55% theoretical density are achieved with some 40% volume fraction of fibres. The quality of the composites has been assessed by microstructural analysis and mechanical characterization.
- OSTI ID:
- 134912
- Report Number(s):
- CONF-9508127--
- Country of Publication:
- United States
- Language:
- English
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