Formation of an alumina–silicon carbide nanocomposite
Welham, N.J. and Setoudeh, N. (2005) Formation of an alumina–silicon carbide nanocomposite. Journal of Materials Science, 40 (12). pp. 3271-3273.
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The high intensity ball milling of a mixture of silicon dioxide, aluminum and graphite powders was investigated to determine the formation of a composite of alumina and silicon carbide. Differential thermal analysis (DTA) was performed on milled powders. The products were analyzed by x-ray diffraction using monochromatic Cokα radiation using acount time of 1 s per 0.03 °step. The results show that for shorter milling time the reaction was two stage with elemental silicon appearing as an intermediate prior to carburization to silicon carbide.
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