The nickel coatings with improved adhesion properties depositioned on the surface of magnesium alloy MA2-1

  • Vladislav S. Shendyukov Research Institute for Physical Chemical Problems, Belarusian State University, 14 Lieningradskaja Street, Minsk 220006, Belarus
  • Sergey S. Perevoznikov Research Institute for Physical Chemical Problems, Belarusian State University, 14 Lieningradskaja Street, Minsk 220006, Belarus
  • Ludmila S. Tsybulskaya Research Institute for Physical Chemical Problems, Belarusian State University, 14 Lieningradskaja Street, Minsk 220006, Belarus

Abstract

The influence of the duration of etching of a magnesium substrate from the MA2-1 alloy on the morphology and adhesion properties of a chemically deposited nickel – phosphorus coating has been studied. It is shown that the etching of the substrate in a mixture of chromium anhydride and nitric acid leads to the formation of an oxide chromate film on the surface of the alloy, additional treatment in a solution of hydrofluoric acid leads to the formation of a film consisting of magnesium fluoride. It was revealed that an increase in the etching time in a mixture of nitric acid with chromium anhydride leads to the formation of a more developed morphology of the surface, which contributes to an increase in the effort required to detach the coating from the magnesium substrate.

Author Biographies

Vladislav S. Shendyukov, Research Institute for Physical Chemical Problems, Belarusian State University, 14 Lieningradskaja Street, Minsk 220006, Belarus

researcher at the laboratory of thin film chemistry

Sergey S. Perevoznikov, Research Institute for Physical Chemical Problems, Belarusian State University, 14 Lieningradskaja Street, Minsk 220006, Belarus

researcher at the laboratory of thin film chemistry

Ludmila S. Tsybulskaya, Research Institute for Physical Chemical Problems, Belarusian State University, 14 Lieningradskaja Street, Minsk 220006, Belarus

PhD (chemistry), docent; leading researcher at the laboratory of thin film chemistry

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Published
2023-09-20
Keywords: electroless deposition, coating nickel – phosphorus, magnesium, etching, activation, adhesive strength, surface morphology
Supporting Agencies The research was financially supported by the Ministry of Education of the Republic of Belarus (assignment 2.1.06.01 of the state programme of scientific research «Chemical processes, reagents and technologies, bioregulators and bioorgchemistry», state registration No. 20210558).
How to Cite
Shendyukov, V. S., Perevoznikov, S. S., & Tsybulskaya, L. S. (2023). The nickel coatings with improved adhesion properties depositioned on the surface of magnesium alloy MA2-1. Journal of the Belarusian State University. Chemistry, 2, 42-52. Retrieved from https://journals.bsu.by/index.php/chemistry/article/view/5572
Issue
No 2 (2023): Journal of the Belarusian State University. Chemistry
Section
Original Articles

Copyright (c) 2023 Journal of the Belarusian State University. Chemistry

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