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Specific Features of the Structure and Electrophysical Characteristics of Nitride Coatings Based on Ti–V–Zr–Nb–Hf High-Entropy Alloy

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The composition, morphology, and electrophysical properties of vacuum-arc nitride coatings based on a high-entropy Ti–V–Zr–Nb–Hf alloy are investigated. Significant changes in the chemical composition of the high-entropy alloy along the samples are established. At the same time, for the studied regions, the deviations of the averaged atomic radii of elements do not exceed 1.5%. It is shown that the surface morphology of samples is characterized by three types of inclusions with different chemical compositions, sizes, and shapes. Some of these inclusions are drops typical of the vacuum arc method of deposition of the coatings and the remaining inclusions are cleavages. It is shown that the distributions of the AC resistance and quality factor along the sample are characterized by the presence of bursts. We also establish the relationship between the surface morphology and the presence of oxide layers on the surface.

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Authors and Affiliations

  1. I. Frantsevich Institute for Problems in Materials Science, National Academy of Sciences of Ukraine, Kyiv, Ukraine

    V. F. Horban & M. I. Danylenko

  2. “Kharkiv Institute of Physics and Technology,” National Science Center, National Academy of Sciences of Ukraine, Kharkiv, Ukraine

    I. V. Serdiuk & V. A. Stolbovyi

  3. “M. Zhukovsky Kharkiv Aviation Institute”, National Aerospace University, Kharkiv, Ukraine

    O. M. Chuhai, O. O. Voloshyn, S. V. Oliinyk & D. V. Sliusar

  4. Karpenko Physicomechanical Institute, National Academy of Sciences of Ukraine, Lviv, Ukraine

    H. H. Veselivska

  5. Lviv National Agrarian University, Lviv, Ukraine

    O. S. Kalahan

Authors
  1. V. F. Horban
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  2. I. V. Serdiuk
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  3. O. M. Chuhai
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  4. O. O. Voloshyn
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  5. S. V. Oliinyk
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  6. H. H. Veselivska
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  7. M. I. Danylenko
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  8. D. V. Sliusar
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  9. V. A. Stolbovyi
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  10. O. S. Kalahan
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Corresponding author

Correspondence to H. H. Veselivska.

Additional information

Translated from Fizyko-Khimichna Mekhanika Materialiv, Vol. 57, No. 3, pp. 132–136, May–June, 2021.

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Horban, V.F., Serdiuk, I.V., Chuhai, O.M. et al. Specific Features of the Structure and Electrophysical Characteristics of Nitride Coatings Based on Ti–V–Zr–Nb–Hf High-Entropy Alloy. Mater Sci 57, 428–433 (2021). https://doi.org/10.1007/s11003-021-00557-8

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  • DOI: https://doi.org/10.1007/s11003-021-00557-8

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