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Characteristics and sintering behaviour of 3 mol % Y2O3-ZrO2 powders synthesized by reaction in molten salts

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Abstract

Yttria-stabilized tetragonal zirconia powders have been synthesized by reaction in molten salts at 450 °C. To obtain a Y2O3-ZrO2 solid solution powder, it was necessary to use yttrium salts (not yttrium oxide directly) in molten NaNO3-KNO3 eutectic. The agglomeration state of the powders depended on their washing conditions. An alcohol-washed powder containing soft agglomerates led to a fine-grained and high-density sintered body.

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Authors and Affiliations

  1. Ecole Nationale Supérieure des Mines de Saint Etienne, 158 Cours Fauriel, 42023, Saint Etienne Cedex 2, France

    M. Descemond, C. Brodhag & F. Thevenot

  2. Laboratoire de Chimie Minérale 3, URA CNRS no. 116, ISIDT, Université Claude Bernard Lyon I, 43 Boulevard du 11 Novembre 1918, 69622, Villeurbanne Cedex, France

    B. Durand, M. Jebrouni & M. Roubin

Authors
  1. M. Descemond
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  2. C. Brodhag
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  3. F. Thevenot
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  4. B. Durand
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  5. M. Jebrouni
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  6. M. Roubin
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Descemond, M., Brodhag, C., Thevenot, F. et al. Characteristics and sintering behaviour of 3 mol % Y2O3-ZrO2 powders synthesized by reaction in molten salts. J Mater Sci 28, 2283–2288 (1993). https://doi.org/10.1007/BF01151654

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  • DOI: https://doi.org/10.1007/BF01151654

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