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

V. V. Smirnov; S. V. Smirnov; T. O. Obolkina; M. A. Goldberg; O. S. Antonova; S. M. Barinov

doi:10.1134/S0012500819050033

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

Authors: Smirnov V.V.¹, Smirnov S.V.¹, Obolkina T.O.¹, Goldberg M.A.¹, Antonova O.S.¹, Barinov S.M.¹
Affiliations:
1. Baikov Institute of Metallurgy and Materials Science, Russian Academy of Sciences
Issue: Vol 486, No 1 (2019)
Pages: 141-143
Section: Chemical Technology
URL: https://journals.rcsi.science/0012-5008/article/view/154443
DOI: https://doi.org/10.1134/S0012500819050033
ID: 154443

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Abstract

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.