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Phase equilibria in the HfO2-ZrO2-CeO2 system at 1250°C

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Abstract

The 1250°C phase equilibria in the HfO2-ZrO2-CeO2 system have been studied for the first time over the entire composition triangle, and the 1250°C section of the HfO2-ZrO2-CeO2 phase diagram has been constructed using x-ray diffraction, optical microscopy, and scanning electron microscopy. No new phases have been identified in the system. We have located three regions of solid solutions based on the constituent oxides (M-HfO2, T-ZrO2, and F-CeO2), three two-phase (T + F, T + M, and F + M) regions, and one three-phase (T + F + M) region.

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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. R. Andrievskaya, G. I. Gerasimyuk, O. A. Kornienko, A. V. Samelyuk & L. M. Lopato

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  1. E. R. Andrievskaya
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  2. G. I. Gerasimyuk
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  3. O. A. Kornienko
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  4. A. V. Samelyuk
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  5. L. M. Lopato
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Original Russian Text © E.R. Andrievskaya, G.I. Gerasimyuk, O.A. Kornienko, A.V. Samelyuk, L.M. Lopato, 2006, published in Neorganicheskie Materialy, 2006, Vol. 42, No. 12, pp. 1481–1488.

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Andrievskaya, E.R., Gerasimyuk, G.I., Kornienko, O.A. et al. Phase equilibria in the HfO2-ZrO2-CeO2 system at 1250°C. Inorg Mater 42, 1352–1359 (2006). https://doi.org/10.1134/S0020168506120120

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  • DOI: https://doi.org/10.1134/S0020168506120120

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