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Metal Science and Heat Treatment

, Volume 60, Issue 9–10, pp 566–570 | Cite as

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

  • E. A. Popova
  • P. V. KotenkovEmail author
  • A. B. Shubin
Article
  • 25 Downloads

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.

Key words

crystallization of superheated melt forms of growth of aluminides and α-phase tetragonal and cubic lattices structure types eutectic precipitates 

Notes

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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Copyright information

© Springer Science+Business Media, LLC, part of Springer Nature 2019

Authors and Affiliations

  • E. A. Popova
    • 1
  • P. V. Kotenkov
    • 1
    • 2
    Email author
  • A. B. Shubin
    • 1
  1. 1.Institute of Metallurgy of the Ural Branch of the Russian Academy of SciencesEkaterinburgRussia
  2. 2.Ural State Federal University after the First President of Russia B. N. EltsynEkaterinburgRussia

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