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Compressive creep studies on alumina particulate reinforced alumino-silicate glass

Sudhir, B and Chokshi, AH (2001) Compressive creep studies on alumina particulate reinforced alumino-silicate glass. In: International Conference on Superplasticity in Advanced Materials (ICSAM-2000), 1-4 Aug. 2000, Switzerland, pp. 123-128.

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Official URL: http://www.scientific.net/MSF.357-359.123

Abstract

The effect of alumina particulate reinforcement on the high temperature compressive creep behaviour of alumino-silicate glass was characterized in the stress and temperature range of 3 to 50 MPa and 1023 to 1123 K, respectively. The resulting strain rates varied from $10^{-6} to 10^{-2} s^{-1}$, and the composites exhibited Newtonian viscous flow. The creep activation energies ~720±50 kJ mol-1. XRD and density measurements on the sintered and tested samples indicated that there was no crystallization or cavitation in the glass or the composites. It was found that addition of alumina particles moderately increased the creep resistance of the glass and that these materials have the potential for superplasticity

Item Type: Conference Paper
Additional Information: Copyright of this article belongs to Trans Tech Publications
Keywords: Alumina Reinforcement;Aluminosilicate Glass,;Compression; Percolation
Department/Centre: Division of Mechanical Sciences > Materials Engineering (formerly Metallurgy)
Date Deposited: 21 Aug 2007
Last Modified: 09 Jan 2012 06:18
URI: http://eprints.iisc.ernet.in/id/eprint/10567

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