Contact phenomena and interactions in the system SiC-SiO2-RxOy in condensed matter
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The contact zone between a silicon carbide monocrystal and silicate glass melt was investigated with the help of a scanning electron microscope, petrographic analysis, infrared spectroscopy, Auger electron spectroscopy, electron spectroscopy for chemical analysis and X-ray diffraction analysis. Silicon carbide may dissolve in glass. When the concentration of carbon atoms in the melt reaches a definite level, oxycarbide phases begin to crystallize. These phases exist at elevated temperatures and then transform to silicon dioxide. Metal cations, constituents of the melt, also may take part in the formation of oxycarbide phases.
KeywordsSilicon Carbide Silicate Carbon Atom Infrared Spectroscopy
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