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Properties of nanocrystalline ZrO2-Y2O3-CeO2-CoO-Al2O3 powders

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Abstract

We have studied the properties of nanocrystalline ZrO2-Y2O3-CeO2-CoO-Al2O3 powders prepared via hydrothermal treatment of a mixture of coprecipitated hydroxides at 210°C. A number of general trends are identified in the variation of the properties of the synthesized powders during heat treatment at temperatures from 500 to 1200°C. Our results demonstrate that the addition of 0.3 mol % CoO to nanocrystalline ZrO2-based powders containing 1 to 5 mol % Al2O3 allows one to obtain composites with good sinterability at a reduced temperature (1200°C).

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Authors and Affiliations

  1. Frantsevich Institute of Materials Science Problems, National Academy of Sciences of Ukraine, ul. Krzhizhanovskogo 3, Kyiv, 03680, Ukraine

    E. V. Dudnik, V. V. Tsukrenko, A. V. Shevchenko, A. K. Ruban & L. M. Lopato

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  1. E. V. Dudnik
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  2. V. V. Tsukrenko
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  3. A. V. Shevchenko
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  4. A. K. Ruban
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  5. L. M. Lopato
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Correspondence to E. V. Dudnik.

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Original Russian Text © E.V. Dudnik, V.V. Tsukrenko, A.V. Shevchenko, A.K. Ruban, L.M. Lopato, 2011, published in Neorganicheskie Materialy, 2011, Vol. 47, No. 10, pp. 1217–1221.

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Dudnik, E.V., Tsukrenko, V.V., Shevchenko, A.V. et al. Properties of nanocrystalline ZrO2-Y2O3-CeO2-CoO-Al2O3 powders. Inorg Mater 47, 1107–1110 (2011). https://doi.org/10.1134/S0020168511100050

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  • DOI: https://doi.org/10.1134/S0020168511100050

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