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Al2O3-ZrO2-Yb2O3 phase diagram. IV. Vertical sections

  • Physicochemical Materials Research
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Powder Metallurgy and Metal Ceramics Aims and scope

For more complete presentation of the Al2O3-ZrO2-Yb2O3 phase diagram, three vertical sections are constructed over a wide temperature and composition range. The bisector Al2O3/ZrO2 = 1 discovers the Yb2O3-rich corner of the ternary phase diagram and explains the mechanism of Yb2O3 phase transformation H ⇄ C. The isopleth 15 mole% ZrO2 (15Z) shows the Al2O3-ZrO2-Yb2O3 structure near the Al2O3-Yb2O3 bounding binary system. The bisector Al2O3/Yb2O3 = 1 depicts the ternary system in the ZrO2-rich region. The vertical sections intersect each of the three triangulating sections of the Al2O3-ZrO2-Yb2O3 system and demonstrate the width variation of its two-phase regions.

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Authors and Affiliations

  1. Institute for Problems of Materials Science, National Academy of Sciences of Ukraine, Kiev, Ukraine

    S. M. Lakiza, V. P. Red’ko & L. M. Lopato

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  1. S. M. Lakiza
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  2. V. P. Red’ko
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  3. L. M. Lopato
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Correspondence to S. M. Lakiza.

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Translated from Poroshkovaya Metallurgiya, Vol. 47, No. 9–10 (463), pp. 95–105, 2008.

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Lakiza, S.M., Red’ko, V.P. & Lopato, L.M. Al2O3-ZrO2-Yb2O3 phase diagram. IV. Vertical sections. Powder Metall Met Ceram 47, 577–585 (2008). https://doi.org/10.1007/s11106-008-9061-z

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  • DOI: https://doi.org/10.1007/s11106-008-9061-z

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