Preparation of Porous Si3N4 Based Ceramics by Combustion Synthesis

Abstract:

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This paper presents the results of combustion synthesis of porous Si3N4 based ceramics from silicon powders, with fine α-Si3N4 and BN powders as diluents, under high nitrogen pressure. The effect of addition of BN on the morphology is investigated. The results revealed that the strength decreased and the porosity increased with the addition of BN, which is strongly depended on the final morphology of the products.

Info:

Periodical:

Key Engineering Materials (Volumes 336-338)

Edited by:

Wei Pan and Jianghong Gong

Pages:

1087-1089

DOI:

10.4028/www.scientific.net/KEM.336-338.1087

Citation:

W. K. Li, J. H. Xiang, B. L. Zhang, "Preparation of Porous Si3N4 Based Ceramics by Combustion Synthesis", Key Engineering Materials, Vols. 336-338, pp. 1087-1089, 2007

Online since:

April 2007

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Price:

$35.00

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