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Low-Temperature Liquid-Phase Sintering of Zirconia: Phase Composition and Microstructure

Low-Temperature Liquid-Phase Sintering of Zirconia: Phase Composition and Microstructure The sintering conditions, microstructure, and phase composition of zirconia-based ceramics containing an additive of 0.2 wt % alumina have been studied. It has been shown that the introduction of sodium disilicate as a low-melting additive promotes a decrease in the sintering temperature of zirconia ceramics to 1080‒1180°C. The materials obtained were characterized by a high content of the tetragonal phase and a fine-crystalline structure with a grain size from 40‒50 to 80‒100 nm. It has been shown that the use of sodium disilicate based additives promotes liquid-phase sintering and formation of the dense structure at 1080°C. http://www.deepdyve.com/assets/images/DeepDyve-Logo-lg.png Doklady Chemistry Springer Journals

Low-Temperature Liquid-Phase Sintering of Zirconia: Phase Composition and Microstructure

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References (16)

Publisher
Springer Journals
Copyright
Copyright © Pleiades Publishing, Ltd. 2020. ISSN 0012-5008, Doklady Chemistry, 2020, Vol. 494, Part 2, pp. 159–162. © Pleiades Publishing, Ltd., 2020. Russian Text © The Author(s), 2020, published in Doklady Rossiiskoi Akademii Nauk. Khimiya, Nauki o Materialakh, 2020, Vol. 494, pp. 37–41.
ISSN
0012-5008
eISSN
1608-3113
DOI
10.1134/S0012500820100043
Publisher site
See Article on Publisher Site

Abstract

The sintering conditions, microstructure, and phase composition of zirconia-based ceramics containing an additive of 0.2 wt % alumina have been studied. It has been shown that the introduction of sodium disilicate as a low-melting additive promotes a decrease in the sintering temperature of zirconia ceramics to 1080‒1180°C. The materials obtained were characterized by a high content of the tetragonal phase and a fine-crystalline structure with a grain size from 40‒50 to 80‒100 nm. It has been shown that the use of sodium disilicate based additives promotes liquid-phase sintering and formation of the dense structure at 1080°C.

Journal

Doklady ChemistrySpringer Journals

Published: Dec 1, 2020

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