Sintering of Composite Ceramic Based on Zirconium and Aluminum Oxide Powders

Sintering of Composite Ceramic Based on Zirconium and Aluminum Oxide Powders Dilatometry is used to study kinetic features of sintering composite ceramic of the ZrO2 (Y)–Al2O3 system in the zirconium dioxide concentration range, stabilized with Y2O3, from 0 to 100 wt.%. Composites are prepared by mixing aqueous dispersions of the corresponding oxides. It is shown that within the heating regime with a constant shrinkage rate for composite ceramic xZrO2(Y) – (100 – x)Al2O3, within which x has a value from 0 to 100, does not proceed linearly. The maximum shrinkage rate and minimum temperature for the start of compaction applies to compositions containing 25 – 35 wt.% ZrO2(Y). http://www.deepdyve.com/assets/images/DeepDyve-Logo-lg.png Refractories and Industrial Ceramics Springer Journals

Sintering of Composite Ceramic Based on Zirconium and Aluminum Oxide Powders

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Publisher
Springer Journals
Copyright
Copyright © 2015 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/s11148-015-9858-5
Publisher site
See Article on Publisher Site

Abstract

Dilatometry is used to study kinetic features of sintering composite ceramic of the ZrO2 (Y)–Al2O3 system in the zirconium dioxide concentration range, stabilized with Y2O3, from 0 to 100 wt.%. Composites are prepared by mixing aqueous dispersions of the corresponding oxides. It is shown that within the heating regime with a constant shrinkage rate for composite ceramic xZrO2(Y) – (100 – x)Al2O3, within which x has a value from 0 to 100, does not proceed linearly. The maximum shrinkage rate and minimum temperature for the start of compaction applies to compositions containing 25 – 35 wt.% ZrO2(Y).

Journal

Refractories and Industrial CeramicsSpringer Journals

Published: Dec 8, 2015

References

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