Developments in SiAlON Glasses and their Derivatives: Effects of Chemistry on Properties

Abstract:

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This paper provides an overview of the preparation of M-Si-Al-O-N glasses and outlines the effects of composition on properties. As nitrogen substitutes for oxygen in sialon glasses, increases are observed in glass transition and softening temperatures, viscosities, elastic moduli and microhardness. If changes are made to the cation ratios or different rare earth elements are substituted, properties can be modified. The effects of these changes on mechanical properties of silicon nitride based ceramics and sialons are discussed. New research on M-Si-Al-O-N-F glasses is outlined.

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Periodical:

Edited by:

Katsutoshi Komeya, Yi-Bing Cheng, Junichi Tatami and Mamoru Mitomo

Pages:

87-89

DOI:

10.4028/www.scientific.net/KEM.403.87

Citation:

S. Hampshire and M. J. Pomeroy, "Developments in SiAlON Glasses and their Derivatives: Effects of Chemistry on Properties", Key Engineering Materials, Vol. 403, pp. 87-89, 2009

Online since:

December 2008

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$35.00

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