Effect of nanodispersed zirconium dioxide on the consolidation and properties of a zircon-based ceramic

Effect of nanodispersed zirconium dioxide on the consolidation and properties of a zircon-based... Electron microscopy and thermomechanical analysis are used to study how introducing nanodispersed ZrO2 powder stabilized with Y2O3 into a zircon-based composite affects the production and properties of the composite. It was established that the introduction of more than 1 mass %of nanodispersed ZrO2 slows the consolidation of the zircon matrix during sintering. Sintering a zircon-based composite with 15 mass % ZrO2 by the regime that was developed in the study makes it possible to reduce the porosity of the material and significantly increase its ultimate compressive strength. It was also determined that nanodispersed particles of ZrO2 react with SiO2 formed during thermal dissociation of the zircon to form zircon of nonstoichiometric composition. http://www.deepdyve.com/assets/images/DeepDyve-Logo-lg.png Refractories and Industrial Ceramics Springer Journals

Effect of nanodispersed zirconium dioxide on the consolidation and properties of a zircon-based ceramic

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Publisher
Springer Journals
Copyright
Copyright © 2011 by Springer Science+Business Media, Inc.
Subject
Materials Science; Characterization and Evaluation of Materials; Materials Science, general; Ceramics, Glass, Composites, Natural Materials
ISSN
1083-4877
eISSN
1573-9139
D.O.I.
10.1007/s11148-011-9385-y
Publisher site
See Article on Publisher Site

Abstract

Electron microscopy and thermomechanical analysis are used to study how introducing nanodispersed ZrO2 powder stabilized with Y2O3 into a zircon-based composite affects the production and properties of the composite. It was established that the introduction of more than 1 mass %of nanodispersed ZrO2 slows the consolidation of the zircon matrix during sintering. Sintering a zircon-based composite with 15 mass % ZrO2 by the regime that was developed in the study makes it possible to reduce the porosity of the material and significantly increase its ultimate compressive strength. It was also determined that nanodispersed particles of ZrO2 react with SiO2 formed during thermal dissociation of the zircon to form zircon of nonstoichiometric composition.

Journal

Refractories and Industrial CeramicsSpringer Journals

Published: Aug 17, 2011

References

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