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Obtaining of Nanocomposites in SiC-SiAlON and Al2O3-SiAlON System by Alumothermal Processes

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DOI: 10.4236/jectc.2014.44012    2,365 Downloads   2,782 Views   Citations

ABSTRACT

Composites were obtained in the in SiC-SiAlON and Al2O3-SiAlON system. Physical-chemical processes going on at the obtaining of SiALON within the range of 800°C - 1500°C were studied. Charge compositions and sintering regime were selected. It was proved that X-SiALON was obtained at the sintering of kaolin-aluminum powder at 1500°C, while β-SiALON was formed at the sintering of SiC-Aluminum powder, silicium and Al2O3-aluminum powder, silicium at 1500°C. Corrosion properties of the materials were studied. Investigations were performed by the methods of X-Ray structural and microscopical analysis.

Conflicts of Interest

The authors declare no conflicts of interest.

Cite this paper

Kovziridze, Z. , Nizharadze, N. , Tabatadze, G. , Cheishvili, T. , Mestvirishvili, Z. , Nikoleishvili, E. , Mshvildadze, M. and Darakhvelidze, N. (2014) Obtaining of Nanocomposites in SiC-SiAlON and Al2O3-SiAlON System by Alumothermal Processes. Journal of Electronics Cooling and Thermal Control, 4, 105-117. doi: 10.4236/jectc.2014.44012.

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