Resistance of Mg-PSZ ceramics to thermal damage

Resistance of Mg-PSZ ceramics to thermal damage The stability of two types of zirconia-based structural ceramics partially stabilized with magnesium oxide with a different initial content of the monoclinic phase is determined on certified samples. The data obtained make it possible to plot a diagram of resistance to thermal damage (RTD). The materials with a high initial content of the monoclinic phase of ZrO2 (33.5%) cannot be classified as heat-resistant. An x-ray study of samples of two materials with a different initial content of the monoclinic phase of ZrO2 showed that the dependences of the monoclinic-hase content and the bending strength on the temperature of the heat treatment prior to hardening are virtually identical to the course of the RTD curves and demonstrate a difference between the materials studied. http://www.deepdyve.com/assets/images/DeepDyve-Logo-lg.png Refractories and Industrial Ceramics Springer Journals

Resistance of Mg-PSZ ceramics to thermal damage

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Publisher
Springer US
Copyright
Copyright © 1998 by Plenum Publishing Corporation
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/BF02767898
Publisher site
See Article on Publisher Site

Abstract

The stability of two types of zirconia-based structural ceramics partially stabilized with magnesium oxide with a different initial content of the monoclinic phase is determined on certified samples. The data obtained make it possible to plot a diagram of resistance to thermal damage (RTD). The materials with a high initial content of the monoclinic phase of ZrO2 (33.5%) cannot be classified as heat-resistant. An x-ray study of samples of two materials with a different initial content of the monoclinic phase of ZrO2 showed that the dependences of the monoclinic-hase content and the bending strength on the temperature of the heat treatment prior to hardening are virtually identical to the course of the RTD curves and demonstrate a difference between the materials studied.

Journal

Refractories and Industrial CeramicsSpringer Journals

Published: Nov 26, 2007

References

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