Das, Swapan Kumar and Dana, Kausik and Singh, Nar and Sarkar, Ritwik (2005) Shrinkage and strength behaviour of quartzitic and kaolinitic clays in wall tile compositions. Applied Clay Science, 29 (2). pp. 137-143. ISSN 0169-1317

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Abstract

Five different clays of Indian sources were characterized and its influence in wall tile compositions was evaluated. The results show that the compositions containing a higher amount of quartzitic clays possess lower shrinkage (< 1.0%) in the temperature range of 1050-1150 degrees C. Body compositions containing higher amount of kaolinitic clays showed lowest water absorption and highest strength due to better densification. XRD studies conducted on fired tile specimens (1150 degrees C) show the formation of anorthite and quartz as major crystalline phases and monticellite and mullite as minor phases. SEM picture of a selected sample show the presence of uniformly distributed pores in the matrix. No cracks were seen around the quartz grain. (c) 2004 Elsevier B.V. All rights reserved.

Item Type:	Article
Uncontrolled Keywords:	Kaolinitic clay; Ceramic wall tile; Porcelain; Low shrinkage; Fly ash
Subjects:	Cements, Limes, Plasters
Divisions:	Advanced Clay & Traditional Ceramics
Depositing User:	Bula Ghosh
Date Deposited:	15 Feb 2012 07:06
Last Modified:	16 Mar 2012 06:34
URI:	http://cgcri.csircentral.net/id/eprint/873

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