A Study on the Formation and Sintering of Powders Synthesized from ZrO2 Micro- and Nanoparticles from Fluoride Solutions

The effect of the conditions of synthesis on the formation of micro- and nanoparticles of zirconium dioxide from a fluoride solution has been studied. It is shown that the finest particles are formed by precipitation from dilute solutions with a zirconium concentration of 0.02–0.04 mol/L and impurit...

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Bibliographic Details
Published in:Journal of superhard materials 2023-02, Vol.45 (1), p.31-45
Main Authors: Gevorkyan, E. S., Sofronov, D. S., Nerubatskyi, V. P., Chyshkala, V. O., Morozova, O. M., Lebedynskyi, O. M., Mateychenko, P. V.
Format: Article
Language:English
Subjects:
Chemistry
Chemistry and Materials Science
Modulus of elasticity
Nanoparticles
Physical Chemistry
Polyvinyl alcohol
Production
Properties
Sintering (powder metallurgy)
Structure
Zirconium dioxide
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Summary:The effect of the conditions of synthesis on the formation of micro- and nanoparticles of zirconium dioxide from a fluoride solution has been studied. It is shown that the finest particles are formed by precipitation from dilute solutions with a zirconium concentration of 0.02–0.04 mol/L and impurities of polyvinyl alcohol at a mass ratio of m Zr : m PVC 1 : 0.1. To sinter ZrO 2 nanoparticles, it is proposed to use the electroconsolidation method in a vacuum to obtain ceramics with high values of the hardness and elastic modulus.
ISSN:1063-4576
1934-9408
DOI:10.3103/S1063457623010057