Influence of the Sodium Niobate Addition on the Sintering and Properties of Zirconia Ceramics

The sintering, microstructure, and phase composition of zirconia ceramics containing a sodium niobate addition have been studied. It has been shown that the addition leads to a decrease in the sintering temperature to 1400°С. The resulting materials are characterized by a high content of the tetrago...

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Bibliographic Details
Published in:Doklady. Chemistry 2019-05, Vol.486 (1), p.141-143
Main Authors: Smirnov, V. V., Smirnov, S. V., Obolkina, T. O., Goldberg, M. A., Antonova, O. S., Barinov, S. M.
Format: Article
Language:English
Subjects:
Ceramics
Chemical Technology
Chemistry
Chemistry and Materials Science
Chemistry/Food Science
Dentistry
Industrial Chemistry/Chemical Engineering
Niobates
Phase composition
Sintering
Sodium compounds
Zirconium dioxide
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Summary:The sintering, microstructure, and phase composition of zirconia ceramics containing a sodium niobate addition have been studied. It has been shown that the addition leads to a decrease in the sintering temperature to 1400°С. The resulting materials are characterized by a high content of the tetragonal phase, a fine-crystalline structure, and a high flexural strength up to 440 MPa. The developed low-temperature materials can be used in dentistry as ceramic crowns.
ISSN:0012-5008
1608-3113
DOI:10.1134/S0012500819050033