Correlation of heat treatment temperature and phase composition in nanodispersed precursors based on systems TiO2, ZrO2, TiO2–Y2O3–ZrO2

Correlation of heat treatment temperature and phase composition in nanodispersed precursors based... Powder precursors based on the system (mol.%) 8Y2O3–(92 – X) ZrO2–XTiO2 are synthesized by a sol-gel method in a reverse coprecipitation version. The correlation of phase ratio evolution in precursors and particle dimensions within them are studied as a function of precursor heat treatment temperature. It is shown that in the temperature range 400 – 1500°C and compositions 0 ≤ X ≤ 20 the main crystal phases are cubic solid solutions. Their formation mechanism is proposed. http://www.deepdyve.com/assets/images/DeepDyve-Logo-lg.png Refractories and Industrial Ceramics Springer Journals

Correlation of heat treatment temperature and phase composition in nanodispersed precursors based on systems TiO2, ZrO2, TiO2–Y2O3–ZrO2

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Publisher
Springer US
Copyright
Copyright © 2013 by Springer Science+Business Media New York
Subject
Material Science; Characterization and Evaluation of Materials; Materials Science, general; Ceramics, Glass, Composites, Natural Methods
ISSN
1083-4877
eISSN
1573-9139
D.O.I.
10.1007/s11148-013-9537-3
Publisher site
See Article on Publisher Site

Abstract

Powder precursors based on the system (mol.%) 8Y2O3–(92 – X) ZrO2–XTiO2 are synthesized by a sol-gel method in a reverse coprecipitation version. The correlation of phase ratio evolution in precursors and particle dimensions within them are studied as a function of precursor heat treatment temperature. It is shown that in the temperature range 400 – 1500°C and compositions 0 ≤ X ≤ 20 the main crystal phases are cubic solid solutions. Their formation mechanism is proposed.

Journal

Refractories and Industrial CeramicsSpringer Journals

Published: May 23, 2013

References

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