Physicochemical properties of nanocrystalline composites based on ZrO2, Al2O3, and rare-earth oxides

  • M. Yu. Arsent’ev
  • P. A. Tikhonov
  • M. V. Kalinina
Article

Abstract

Powder precursors have been prepared by means of the sol-gel technique and codeposition, and nanoceramics in the ZrO2-Al2O3-rare-earth (RE) oxide system (RE = Ce, Sc, or Y) based on them have been obtained. Physicochemical properties of the resulting ceramic composites have been investigated. The energy model for oxygen-ionic transport processes in a solid solution based on ZrO2, which relies on computer simulation procedure, has been proposed, and the structural, strength, and electrophysical characteristics of the solid solution have been calculated. The obtained materials are promising as high-melting electrochemical sensors in molten oxides.

Keywords

solid solutions ceramics electrical conductivity microstructure electrochemical sensors computer simulation 

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Copyright information

© Pleiades Publishing, Ltd. 2011

Authors and Affiliations

  • M. Yu. Arsent’ev
    • 1
  • P. A. Tikhonov
    • 1
  • M. V. Kalinina
    • 1
  1. 1.Grebenshchikov Institute of Silicate ChemistryRussian Academy of SciencesSt. PetersburgRussia

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