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Influence of the Dispersion Hardening with Nanooxides on the Corrosion Resistance of High-Entropy Alloys of the Cr–Fe–Mn–Ni System in Lead Melts

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We study the corrosion resistance of high-entropy alloys of the Cr–Fe–Mn–Ni system in lead melts at 480°С in testing for up to 1000 h. It is shown that the compatibility of these alloys with melts is determined by the processes of dissolution of chromium, nickel, and manganese in lead and the diffusion of oxygen from the melt. It is demonstrated that the dispersion hardening with radiation-resistant oxides Y2O3 and ZrO2 strongly increases their corrosion resistance.

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Authors and Affiliations

  1. Karpenko Physicomechanical Institute, Ukrainian National Academy of Sciences, Lviv, Ukraine

    V. М. Fedirko, І. S. Kukhar & Kh. R. Mel’nyk

  2. Institute of Solid-State Physics, Materials Science, and Technologies, “Kharkiv Physicotechnical Institute,” National Scientific Center, Ukrainian National Academy of Sciences, Kharkiv, Ukraine

    V. М. Voevodin, О. М. Velykodnyi & М. А. Тykhonovskyi

Authors
  1. V. М. Fedirko
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  2. V. М. Voevodin
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  3. О. М. Velykodnyi
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  4. М. А. Тykhonovskyi
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  5. І. S. Kukhar
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  6. Kh. R. Mel’nyk
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Correspondence to V. М. Fedirko.

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Translated from Fizyko-Khimichna Mekhanika Materialiv, Vol. 55, No. 4, pp. 63–68, July–August, 2019.

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Fedirko, V.М., Voevodin, V.М., Velykodnyi, О.М. et al. Influence of the Dispersion Hardening with Nanooxides on the Corrosion Resistance of High-Entropy Alloys of the Cr–Fe–Mn–Ni System in Lead Melts. Mater Sci 55, 529–535 (2020). https://doi.org/10.1007/s11003-020-00335-y

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  • DOI: https://doi.org/10.1007/s11003-020-00335-y

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