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Effect of spinel second phase on high temperature deformation in alumina

Satapathy, LN and Chokshi, AH (2003) Effect of spinel second phase on high temperature deformation in alumina. In: Materials Science Forum, 447-4 . pp. 341-345.

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Abstract

Constant stress compression creep experiments were carried out on high purity alumina composites with spinel contents of 8 and 30%, corresponding to a situation with isolated and interconnected second phases. The creep experiments were conducted over a stress and temperature range of 10 to 150 MPa and 1623 to 1723 K, respectively. Analysis of the experimental data indicated that the variation in spinel content did not have any influence on high temperature deformation in the composite. The spinel phase retards grain growth, and this may enhance superplasticity in alumina-spinel composites.

Item Type: Editorials/Short Communications
Additional Information: Copyright of this article belongs to Trans Tech Publications Inc..
Department/Centre: Division of Mechanical Sciences > Materials Engineering (formerly Metallurgy)
Date Deposited: 19 Aug 2011 06:53
Last Modified: 19 Aug 2011 06:53
URI: http://eprints.iisc.ernet.in/id/eprint/40032

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