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Abstract <p>It is established that the composition of aluminum alloys influence the properties of the formed oxide layer due to the introduction of atoms (Mg, Mn, Cu) into its structure. The use of a pulse mode in the process of electrochemical oxidation of aluminum alloys increases the microhardness of the oxide layer by two to five times in comparison with the use of a stationary mode. The ability to control the frequency of current pulses allows one to influence the rate of flow of the limiting stages of electrochemical processes by changing the concentration of components near the surface of the processed material and to select the optimal oxidation modes for processing various types of alloys.</p>

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Study of Microhardness of Oxide Layers on Deformable Aluminum Alloys during Pulse Electrochemical Oxidation

  • 期刊论文

  • 发表日期：

    2025年10月22日

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  • E. A. Klimova,
  • A. A. Parshuto,
  • E. A. Stepanova-Parshuto,
  • I. P. Smyaglikov,
  • S. I. Bagaev,
  • V. N. Kokhnyuk,
  • A. A. Izyumov

摘要

Abstract

It is established that the composition of aluminum alloys influence the properties of the formed oxide layer due to the introduction of atoms (Mg, Mn, Cu) into its structure. The use of a pulse mode in the process of electrochemical oxidation of aluminum alloys increases the microhardness of the oxide layer by two to five times in comparison with the use of a stationary mode. The ability to control the frequency of current pulses allows one to influence the rate of flow of the limiting stages of electrochemical processes by changing the concentration of components near the surface of the processed material and to select the optimal oxidation modes for processing various types of alloys.