Development of multi-phase B–Si–C ceramic composite by reaction sintering

A dense ceramic composite in the system B–C–Si has been synthesized by the reaction sintering technique based on infiltration of silicon melt at 1550 °C under vacuum into a porous compact made of boron carbide and petroleum coke powder. The final material is around 99% dense and microstructurally co...

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Bibliographic Details
Published in:Ceramics international 2009-05, Vol.35 (4), p.1667-1669
Main Authors: Mallick, D., Kayal, T.K., Ghosh, J., Chakrabarti, O.P., Biswas, S., Maiti, H.S.
Format: Article
Language:English
Subjects:
B 4C–SiC–Si composite
Multi-phase ceramic
Reaction sintering
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Summary:A dense ceramic composite in the system B–C–Si has been synthesized by the reaction sintering technique based on infiltration of silicon melt at 1550 °C under vacuum into a porous compact made of boron carbide and petroleum coke powder. The final material is around 99% dense and microstructurally contains B 4C, SiC and Si as the major phases. The B 4C-phase reacted at its interface with Si-phase, which is explained in terms of dissolution of Si in the carbide phase.
ISSN:0272-8842
1873-3956
DOI:10.1016/j.ceramint.2008.07.015