Preparation and Properties of Ceramic Tiles for Heat Insulation

Abstract:

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The bulk tiles of ceramic fibers reinforced aerogel were prepared from two reinforcements, evenly dispersed ceramic fibers and sintered tiles. It has been found that ceramic fiber-reinforced aerogels showed higher thermal conductivity than aerogel itself. Shrinkage of aerogels in chopped fiber reinforced aerogel composites showed similar tendency as pure aerogel during gelation, but the shrinkage was prohibited during supercritical drying. By contrary, in the case of sintered tile reinforced aerogel, shrinkage of aerogel was completely limited in both gelation and drying processes. Average of about 50% increase of compressive strengths of the sintered tile reinforced aerogel to sintered tiles were obtained with an average density increase of about 36%, their thermal conductivity depressed slightly.

Info:

Periodical:

Materials Science Forum (Volumes 546-549)

Edited by:

Yafang Han et al.

Pages:

2157-2162

DOI:

10.4028/www.scientific.net/MSF.546-549.2157

Citation:

C. C. Sun et al., "Preparation and Properties of Ceramic Tiles for Heat Insulation", Materials Science Forum, Vols. 546-549, pp. 2157-2162, 2007

Online since:

May 2007

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Price:

$35.00

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