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Formation of Aluminides with L12 Cubic Lattice in Alloys of the Al – Zr – Y and Al – Ti – Y Systems

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Metal Science and Heat Treatment Aims and scope

The conditions of formation of metastable Zr or Ti aluminides with Y under crystallization of superheated melts of the Al – Zr – Y and Al – Ti – Y systems with hypoeutectic and hypereutectic compositions with respect to yttrium are studied. Complex Al3(Zr0.67Y0.33) and Aln(Ti0.67Y0.33) aluminides with cubic lattices are shown to form due to crystallization of the Al – Zr – Y and Al – Ti – Y melts hypereutectic with respect to yttrium after superheating by 300°C above the liquidus temperatures.

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Notes

  1. Here and below in the paper the content of elements is given in atomic percent.

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The work has been performed within State Assignment for the Institute of Metallurgy of the Ural Branch of the Russian Academy of Sciences (Topic No. 0396-2015-00–78) and a Complex Program of the Ural Branch of the Russian Academy of Sciences (Project 15-6-3-12) with the use of the equipment of the “Ural-M” Collective Use Center

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Authors and Affiliations

  1. Institute of Metallurgy of the Ural Branch of the Russian Academy of Sciences, Ekaterinburg, Russia

    E. A. Popova, P. V. Kotenkov & A. B. Shubin

  2. Ural State Federal University after the First President of Russia B. N. Eltsyn, Ekaterinburg, Russia

    P. V. Kotenkov

Authors
  1. E. A. Popova
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  2. P. V. Kotenkov
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  3. A. B. Shubin
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Correspondence to P. V. Kotenkov.

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Translated from Metallovedenie i Termicheskaya Obrabotka Metallov, No. 9, pp. 14 – 18, September, 2018.

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Popova, E.A., Kotenkov, P.V. & Shubin, A.B. Formation of Aluminides with L12 Cubic Lattice in Alloys of the Al – Zr – Y and Al – Ti – Y Systems. Met Sci Heat Treat 60, 566–570 (2019). https://doi.org/10.1007/s11041-019-00320-6

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  • DOI: https://doi.org/10.1007/s11041-019-00320-6

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