Combustion Synthesis of β-SiAlON Whiskers

Abstract:

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In this paper, b-SiAlON whiskers were synthesized by combustion of silicon and aluminium powders with SiO2 and Y2O3 as additives and a-Si3N4 or b-SiAlON powders as diluents. SEM observation of the products showed that the crystals with an aspect ratio higher that 5, which could be assigned to almost pure and well crystallized b-SiAlON. The influence of the amount of NH4F additive, the type of diluent on the phase formation and on the morphology of products was investigated.

Info:

Periodical:

Key Engineering Materials (Volumes 280-283)

Edited by:

Wei Pan, Jianghong Gong, Chang-Chun Ge and Jing-Feng Li

Pages:

1241-1244

DOI:

10.4028/www.scientific.net/KEM.280-283.1241

Citation:

R. L. Fu et al., "Combustion Synthesis of β-SiAlON Whiskers", Key Engineering Materials, Vols. 280-283, pp. 1241-1244, 2005

Online since:

February 2007

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Price:

$35.00

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