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Primary crystallization in the Al-Fe-Mn-Ni-Si system as applied to casting alloys based on aluminum-nickel eutectic

  • Physical Metallurgy and Heat Treatment
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Abstract

Liquidus projections in characteristic sections of the Al-Fe-Mn-Ni-Si system in a range of up to 9% Ni, to 3% Fe, to 2% Mn, and 3% Si (wt %) are computed. The element concentrations at which the primary crystallization of the Al3Ni, Al9FeNi, Al3Fe, Al6(Fe, Mn), and Al15(Fe,Mn)3Si2 intermetallide phases are determined. A good agreement between experimental and computed data is shown. When casting into metallic molds in the region of nickalin compositions, the formation of primary crystals of two Al9FeNi and Al6(Fe, Mn) phases is most probable. The primary crystallization of Al3Ni and Al15(Fe, Mn)3Si2 is possible only upon increased concentrations of nickel and silicon, and it takes slow solidification during casting in temporary molds to form the Al3Fe phase.

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Authors and Affiliations

  1. National University of Science and Technology “MISiS”, Leninskii pr. 4, Moscow, 119049, Russia

    N. A. Belov, A. N. Alabin, A. V. Sannikov & V. B. Deev

Authors
  1. N. A. Belov
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  2. A. N. Alabin
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  3. A. V. Sannikov
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  4. V. B. Deev
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Corresponding author

Correspondence to N. A. Belov.

Additional information

Original Russian Text © N.A. Belov, A.N. Alabin, A.V. Sannikov, V.B. Deev, 2014, published in Izvestiya VUZ. Tsvetnaya Metallurgiya, 2014, No. 3, pp. 45–50.

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Belov, N.A., Alabin, A.N., Sannikov, A.V. et al. Primary crystallization in the Al-Fe-Mn-Ni-Si system as applied to casting alloys based on aluminum-nickel eutectic. Russ. J. Non-ferrous Metals 55, 356–364 (2014). https://doi.org/10.3103/S1067821214040051

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  • DOI: https://doi.org/10.3103/S1067821214040051

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