Fabrication of SiC by carbothermal-reduction reactions of mountain leather asbestos
Radosavljević-Mihajlović, Ana S.
Bošković, Snežana B.
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Fibrous magnesium silicate (Mg6Si4O10(OH)s: Mountain leather asbestos) of Serbian origin was used as Si precursor for the Synthesis of SiC by carbothermal-reduction process. As a reducing agent, carbon (from various precursors) was used. Formation of beta-SiC was confirmed by XRD and SEM/EDS analyses. Porous SiC particles obtained at 1873 K possess longish plate-like morphology. The results show that reduction reaction is assisted by liquid phase formation, as well as vapor phase transport, and that mountain leather asbestos can be very effective mineral precursor for preparation of silicon carbide. (C) 2007 Elsevier B.V. All rights reserved.
Кључне речи:ceramics / gas-solid reactions / microstructure / X-ray diffraction / scanning electron microscopy
Извор:Journal of Alloys and Compounds, 2008, 464, 1-2, 270-276
- Ministry of Science and Environmental Protection of Serbia 
ISSN: 0925-8388 (print)