Haldar, Manas Kamal and Mukherjee, B and Ghosh, A (2005) Properties of zirconia-mullite composite derived from sillimanite beach sand. Industrial Ceramics, 25 (2). pp. 113-117. ISSN 1121-7588

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Abstract

Zirconia-mullite composites containing 0-6 mol% yttria were prepared by the reaction sintering process. The main raw materials were Indian coastal sillimanite sand and zirconia and alumina. After milling, samples were isostatically pressed, sintered at 1500-1600 degrees C for 2 h and characterized in terms of phase coexistance, martensitic start (Ms) temperature, thermal expansion coefficient, thermal shock resistance and microstructure. The addition of yttria improves the thermo-mechanical, thermo-physical and physical properties of the resulting composites. T e thermal expansion coefficient and martensitic: transformation temperature decrease with yttria content. The relative densities of yttria be ring samples are higher.

Item Type:	Article
Subjects:	Microstructure and Characterization
Divisions:	UNSPECIFIED
Depositing User:	Bula Ghosh
Date Deposited:	21 Feb 2012 06:28
Last Modified:	16 Jul 2015 12:08
URI:	http://cgcri.csircentral.net/id/eprint/896

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