Abstract
The dependences of the protective properties of the anodic oxide coatings on the AD31 aluminum alloy surface modified with nitrates of magnesium, potassium, and some 3d-elements on the composition of sealing solutions and parameters of finishing treatment were established by scanning electron microscopy, potentiodynamic polarization, electrochemical impedance spectroscopy, and salt spray chamber tests. A mechanism of the formation of modified anodic oxide coatings during sealing and subsequent thermal treating was proposed.
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Osipenko, M.A., Kharitonov, D.S., Makarova, I.V. et al. Corrosion Behavior of Modified Anodic Oxide Coatings on AD31 Aluminium Alloy. Prot Met Phys Chem Surf 57, 550–558 (2021). https://doi.org/10.1134/S2070205121030175
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DOI: https://doi.org/10.1134/S2070205121030175