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High-Entropy Coatings—Structure and Properties

  • Production, Structure, Properties
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Abstract

Metal and nitride coatings of high-entropy alloys (HEA) having different phase compositions produced by different methods were investigated. It is shown that for the high-entropy coatings is characteristic the presence of the nanostructured state, which in parallel with the cluster structure provides hardness for metal coatings ~ 10–19 GPa; for nitride coatings are characteristic 50–60 GPa and the modulus of inelastic buckling more than 300 MPa. The relation of the lattice parameters, which are defined experimentally, to the parameter of the lattice of the most refractory metal in the HEA reflects the level of the elastic modulus relative to the theoretically possible both in the cast HEA and in metal coatings on their base.

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Authors and Affiliations

  1. Frantsevich Institute of Materials Science Problems, National Academy of Sciences of Ukraine, 03142, Kiev, Ukraine

    V. F. Gorban’, L. R. Shaginyan, S. A. Firstov, M. V. Karpets & N. I. Danilenko

  2. National Science Center Khar’kiv Institute of Physics and Technology, National Academy of Sciences of Ukraine, Khar’kiv, Ukraine

    A. A. Andreev

Authors
  1. V. F. Gorban’
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  2. A. A. Andreev
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  3. L. R. Shaginyan
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  4. S. A. Firstov
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  5. M. V. Karpets
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  6. N. I. Danilenko
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Corresponding author

Correspondence to V. F. Gorban’.

Additional information

Original Russian Text © V.F. Gorban’, A.A. Andreev, L.R. Shaginyan, S.A. Firstov, M.V. Karpets, N.I. Danilenko, 2018, published in Sverkhtverdye Materialy, 2018, Vol. 40, No. 2, pp. 19–36.

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Gorban’, V.F., Andreev, A.A., Shaginyan, L.R. et al. High-Entropy Coatings—Structure and Properties. J. Superhard Mater. 40, 88–101 (2018). https://doi.org/10.3103/S106345761802003X

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  • DOI: https://doi.org/10.3103/S106345761802003X

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