SHS of composite ceramics from mechanochemically treated and thermally carbonized SiO2 powders

2007

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DOI 10.3103/s1061386207040073
Data confidence 70 medium
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Abstract

New ceramic composites have been synthesized upon combined use of mechanochemical treatment (MCT) of SiO 2 , its thermal carbonization (followed by baking), and SHS in a mixture of thus activated (carbonized) SiO 2 with Al powder. MCT and thermal carbonization were found to result in formation of fiber-like carbon structures on the surface of silica particles. The rigid carbon frameworks formed on the surface of silicon dioxide were found to improve the physicochemical properties of resultant carbon-containing refractory materials.