High-strength ceramic materials based on polycrystalline tetragonal ZrO2 stabilized by Lu2O3

High-strength ceramic materials based on polycrystalline tetragonal ZrO2 stabilized by Lu2O3 The effect of Lu2O3 on low-temperature stabilization of the tetragonal modification of ZrO2 is considered. The subject of study is ZrO2 - Lu2O3 binary systems with 1 –9 mole % Lu2O3 for specimens of ZrO2 powders prepared by the method invented by the authors. It is established that low-temperature stabilization oft- ZrO2 occurs in the region of 6 –8 mole % concentration of Lu2O3. The obtained ceramic material has a density of 99.8% of the theoretical value, an ultimate bending strength of at least 800 MPa, and a crack resistance of at least 13 MPa · m1/2 at a content of Lu2O3 equal to 6 –8 mole % http://www.deepdyve.com/assets/images/DeepDyve-Logo-lg.png Refractories and Industrial Ceramics Springer Journals

High-strength ceramic materials based on polycrystalline tetragonal ZrO2 stabilized by Lu2O3

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Publisher
Springer US
Copyright
Copyright © 2000 by Kluwer Academic/Plenum Publisfers
Subject
Chemistry; Characterization and Evaluation of Materials; Materials Science; Ceramics, Glass, Composites, Natural Methods
ISSN
1083-4877
eISSN
1573-9139
D.O.I.
10.1007/BF02762576
Publisher site
See Article on Publisher Site

Abstract

The effect of Lu2O3 on low-temperature stabilization of the tetragonal modification of ZrO2 is considered. The subject of study is ZrO2 - Lu2O3 binary systems with 1 –9 mole % Lu2O3 for specimens of ZrO2 powders prepared by the method invented by the authors. It is established that low-temperature stabilization oft- ZrO2 occurs in the region of 6 –8 mole % concentration of Lu2O3. The obtained ceramic material has a density of 99.8% of the theoretical value, an ultimate bending strength of at least 800 MPa, and a crack resistance of at least 13 MPa · m1/2 at a content of Lu2O3 equal to 6 –8 mole %

Journal

Refractories and Industrial CeramicsSpringer Journals

Published: Nov 21, 2007

References

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