Liquid-phase sintering of chemically unstable silicon carbide-lithium/magnesium aluminosilicate-titania composites

The fully dense 55 wt% SiC-45 wt% (LAS/MAS/TiO2) composite consisting of SiC filler particles and glassy matrix was prepared by liquid-phase sintering in the presence of carbon. A heating rate of 800 C/min, maximum sintering temperature 1600 C and nitrogen overpressure of 8 x 10 exp(-5) Pa were appl...

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Bibliographic Details
Published in:Journal of materials science 1994-10, Vol.29 (20), p.5383-5389
Main Author: PANEK, Z
Format: Article
Language:English
Subjects:
Applied sciences
Building materials. Ceramics. Glasses
Chemical industry and chemicals
Exact sciences and technology
Glass-ceramics
Glasses
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Summary:The fully dense 55 wt% SiC-45 wt% (LAS/MAS/TiO2) composite consisting of SiC filler particles and glassy matrix was prepared by liquid-phase sintering in the presence of carbon. A heating rate of 800 C/min, maximum sintering temperature 1600 C and nitrogen overpressure of 8 x 10 exp(-5) Pa were applied at the maximum particle mobility stage. The total liquid-phase sintering time did not exceed 4 min. The bloating effect was always observed in the carbon-free atmosphere during liquid-phase sintering. 19 refs.
ISSN:0022-2461
1573-4803
DOI:10.1007/BF01171551