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The analysis of the composition of electrolytic coatings for the protection of metal surfaces is considered. It is found that the use of different components for coating modification provides the possibility of obtaining surfaces with extended exploitation properties, in particular, with improved wear and corrosion resistance. A new approach to the protection of cast iron details by obtaining two types of composition coatings from binary alloys, iron-molybdenum and iron-tungsten, is proposed. It is found that the modification of iron by refractory metals up to 37 at.% leads to a noticeable change in the microstructure of the coating surface. It is found that the incorporation of refractory metals into the iron matrix is a good way to increase the microhardness of the surface by 2.5–3.5 times and to increase the wear resistance by 40%, as well as to decrease the coefficient of friction by 3–4 times in comparison with the cast iron substrate. The research results can be used for surface hardening and protection in various industries.

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Electrochemical and Mechanical Properties of Iron-Based Nanocomposites

  • 会议论文

  • 发表日期：

    2025年

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  • Gulmira Yar-Mukhamedova,
  • Nikolay Sakhnenko,
  • Ann Karakurkchi,
  • Iryna Yermolenko,
  • Aiman Kemelzhanova,
  • Daniel Zellele

摘要

The analysis of the composition of electrolytic coatings for the protection of metal surfaces is considered. It is found that the use of different components for coating modification provides the possibility of obtaining surfaces with extended exploitation properties, in particular, with improved wear and corrosion resistance. A new approach to the protection of cast iron details by obtaining two types of composition coatings from binary alloys, iron-molybdenum and iron-tungsten, is proposed. It is found that the modification of iron by refractory metals up to 37 at.% leads to a noticeable change in the microstructure of the coating surface. It is found that the incorporation of refractory metals into the iron matrix is a good way to increase the microhardness of the surface by 2.5–3.5 times and to increase the wear resistance by 40%, as well as to decrease the coefficient of friction by 3–4 times in comparison with the cast iron substrate. The research results can be used for surface hardening and protection in various industries.