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Combustion synthesis, characterization, sintering and microstructure of cordierite

Chandran, Gopi R and Patil, KC (1993) Combustion synthesis, characterization, sintering and microstructure of cordierite. In: British Ceramic Transactions, 92 (6). pp. 239-245.

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Abstract

Cordierite powders have been obtained by the combustion of aluminum nitrate, magnesium nitrate, magnesium oxide, silica fume, ammonium nitrate, and urea mixtures. The thermal evolution of crystal phases has been studied using X-ray diffraction patterns and IR spectra. Magnesia derived cordierite attained 97% theoretically d. when sintered at 1450° for 2 h and its microstructure showed the presence of macropores. The microhardness and coefficient of thermal expansion (20-550°) of the sintered body were 8 GPa and 1.5 \times 10-6/degree, respectively.

Item Type: Journal Article
Additional Information: Copyright of this article belongs to Institution of Materials, Minerals and Mining.
Department/Centre: Division of Chemical Sciences > Inorganic & Physical Chemistry
Date Deposited: 08 Jul 2008
Last Modified: 18 Nov 2010 05:43
URI: http://eprints.iisc.ernet.in/id/eprint/14839

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