Preparation of β-SiAION from silica-alumina gel

Rames, P. D. ; Rao, K. J. (1994) Preparation of β-SiAION from silica-alumina gel Journal of Materials Research, 9 (8). pp. 1929-1931. ISSN 0884-2914

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Official URL: http://journals.cambridge.org/action/displayAbstra...

Related URL: http://dx.doi.org/10.1557/JMR.1994.1929

Abstract

Amorphous aluminosilicate gel powders have been subjected to carbothermal reduction and nitridation reaction at high temperature (1673 K). The influence of Al2O3 content in the gel powder on the nature and structure of the product phases has been examined. Between 5% and 9% Al2O3 in the gel powder, it is found that only β-SiAION is formed as the product of CTR/N reaction.

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