Investigation of the Structure of Si3N4-Based Ceramic with Al2O3 and Y2O3 Additives

A ceramic with dense nanosize structure was obtained by conventional sintering of samples formed from nanosize Si 3 N 4 powder with Al 2 O 3 and Y 2 O 3 additives by cold isostatic pressing. The microstructure and density of the ceramic obtained were investigated. The technological conditions for ob...

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Bibliographic Details
Published in:Glass and ceramics 2014-05, Vol.71 (1-2), p.15-17
Main Authors: Krasil’nikov, V. V., Sirota, V. V., Ivanov, A. S., Kozlova, L. N., Luk’yanova, O. A., Ivanisenko, V. V.
Format: Article
Language:English
Subjects:
Ceramics
Characterization and Evaluation of Materials
Chemistry and Materials Science
Composites
Glass
Materials Science
Natural Materials
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Summary:A ceramic with dense nanosize structure was obtained by conventional sintering of samples formed from nanosize Si 3 N 4 powder with Al 2 O 3 and Y 2 O 3 additives by cold isostatic pressing. The microstructure and density of the ceramic obtained were investigated. The technological conditions for obtaining silicon nitride ceramic that give the optimal combination of fine-grain submicron structure and high density were determined.
ISSN:0361-7610
1573-8515
DOI:10.1007/s10717-014-9606-1