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Effect of Al2O3 on the properties of nanocrystalline ZrO2 + 3 mol % Y2O3 powder

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Abstract

We have studied the properties of nanocrystalline ZrO2〈3 mol % Y2O3〉 and 90 wt % ZrO2〈3 mol % Y2O3〉-10 wt % Al2O3 powders prepared via hydrothermal treatment of coprecipitated hydroxides at 210°C. The results demonstrate that Al2O3 doping raises the phase transition temperatures of the metastable low-temperature ZrO2 polymorphs and that the structural transformations of the ZrO2 and Al2O3 in the doped material inhibit each other.

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Authors and Affiliations

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

    E. V. Dudnik, A. V. Shevchenko, A. K. Ruban, V. P. Red’ko & L. M. Lopato

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  1. E. V. Dudnik
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  2. A. V. Shevchenko
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  3. A. K. Ruban
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  4. V. P. Red’ko
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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, A.V. Shevchenko, A.K. Ruban, V.P. Red’ko, L.M. Lopato, 2010, published in Neorganicheskie Materialy, 2010, Vol. 46, No. 2, pp. 212–216.

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Dudnik, E.V., Shevchenko, A.V., Ruban, A.K. et al. Effect of Al2O3 on the properties of nanocrystalline ZrO2 + 3 mol % Y2O3 powder. Inorg Mater 46, 172–176 (2010). https://doi.org/10.1134/S0020168510020159

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  • DOI: https://doi.org/10.1134/S0020168510020159

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