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Isothermal Sections of the Al2O3–TiO2–Y2O3 Phase Diagram at 1550 and 1400°C

  • PHYSICOCHEMICAL MATERIALS RESEARCH
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Powder Metallurgy and Metal Ceramics Aims and scope

The isothermal sections of the Al2O3–TiO2–Y2O3 phase diagram are constructed for the first time at 1550 and 1400°C. New phases or appreciable homogeneity ranges based on components and binary compounds are not found in the ternary system. Triangulation of the system is determined by the Y2T2O7 phase, which is in equilibrium with compounds Al2TiO5, Y3Al5O12, YAlO3, and Y4Al2O9 and components TiO2 and Al2O3. The system is triangulated into six secondary triangles, in which three-phase eutectics are expected to exist. In five quasibinary sections, two-phase eutectics are likely to exist.

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Notes

  1. The concentrations are in mol.% here and further in the text.

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Authors and Affiliations

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

    Ya. S. Tishchenko, S. M. Lakiza, V. P. Red’ko & O. V. Dudnik

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  1. Ya. S. Tishchenko
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  2. S. M. Lakiza
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  3. V. P. Red’ko
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  4. O. V. Dudnik
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Correspondence to S. M. Lakiza.

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Translated from Poroshkovaya Metallurgiya, Vol. 55, Nos. 11–12 (512), pp. 82–92, 2016.

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Tishchenko, Y.S., Lakiza, S.M., Red’ko, V.P. et al. Isothermal Sections of the Al2O3–TiO2–Y2O3 Phase Diagram at 1550 and 1400°C. Powder Metall Met Ceram 55, 698–706 (2017). https://doi.org/10.1007/s11106-017-9857-9

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  • DOI: https://doi.org/10.1007/s11106-017-9857-9

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