Raman spectroscopy and mechanical behavior of zirconia materials

Raman spectroscopy and mechanical behavior of zirconia materials A physicomechanical and Raman investigation of partially stabilized zirconia ceramics with an additive of magnesium monoxide is described. It is shown that for temperatures from 59 to −60°C the material undergoes a low-temperature elastic-inelastic transformation, whereas the Raman spectra exhibit only a gradual variation of the phase composition with reduction of the temperature. In crystals with additives of yttria and ceria no substantial phase transformation related to the introduction of an indentor was discovered. A comparative analysis of Raman spectra of cubic zirconia crystals and ceramics with yttrium and ferric oxides has been made, with the conclusion that the special features of the processes controlling the mechanical behavior of such materials should be studied in greater detail. http://www.deepdyve.com/assets/images/DeepDyve-Logo-lg.png Refractories and Industrial Ceramics Springer Journals

Raman spectroscopy and mechanical behavior of zirconia materials

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Publisher
Springer Journals
Copyright
Copyright © 1997 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/BF02768256
Publisher site
See Article on Publisher Site

Abstract

A physicomechanical and Raman investigation of partially stabilized zirconia ceramics with an additive of magnesium monoxide is described. It is shown that for temperatures from 59 to −60°C the material undergoes a low-temperature elastic-inelastic transformation, whereas the Raman spectra exhibit only a gradual variation of the phase composition with reduction of the temperature. In crystals with additives of yttria and ceria no substantial phase transformation related to the introduction of an indentor was discovered. A comparative analysis of Raman spectra of cubic zirconia crystals and ceramics with yttrium and ferric oxides has been made, with the conclusion that the special features of the processes controlling the mechanical behavior of such materials should be studied in greater detail.

Journal

Refractories and Industrial CeramicsSpringer Journals

Published: Nov 27, 2007

References

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