SHS of composite ceramics from mechanochemically treated and thermally carbonized SiO2 powders |
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| Authors: | Z. A. Mansurov R. G. Abdulkarimova N. N. Mofa N. K. Umarova T. A. Shabanova |
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| Affiliation: | (1) Institute of Combustion Problems, Al-Farabi National University, Karasai batyr str. 95A, Almaty, 050012, Kazakhstan |
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| Abstract: | New ceramic composites have been synthesized upon combined use of mechanochemical treatment (MCT) of SiO2, its thermal carbonization (followed by baking), and SHS in a mixture of thus activated (carbonized) SiO2 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.
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| Keywords: | combustion synthesis composite ceramics mechanochemical treatment |
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