Selection of electrodeposited coating on corrosion-resistant steels for corrosion protection in contact with aluminium alloys

Zakirova L.I., Sibileva S.V., Vdovin A.I., Koltsova M.А.
UDC
621.357.74
DOI
10.18577/2307-6046-2025-0-9-63-76
Article PDF (Russian) (765.6 KB)
How to cite
Zakirova L.I., Sibileva S.V., Vdovin A.I., Koltsova M.А. Selection of electrodeposited coating on corrosion-resistant steels for corrosion protection in contact with aluminium alloys // Proceedings of VIAM. 2025. No. 9. DOI: 10.18577/2307-6046-2025-0-9-63-76. URL: https://test.viam.ru/en/journal/2025/9/5
Keywords
electrodeposition, cadmium coating, alloy coating, electrodeposited coating, electrochemical impedance spectroscopy, anodic and cathodic polarization curves, contact corrosion potential, contact corrosion current density, acc
Abstract

The paper presents the results ofelectrochemical studies of samples of corrosion-resistant steels (08kH18N10, 12kH18N10T) and aluminum alloys (1163, В95, 1933) both with and without coatings. We have determined the values of the steady-state potentials, impedance modulus, the potential and current density of contact corrosion, and the tans passivation potential. Based on the results of 2160-hour corrosion tests in the salt spray chamber on samples packages made of corrosion-resistant steels with electroplating and aluminum alloys with nonchromated anodic coating, we have selected an electrodeposited coating that is as good as cadmium coating in its protective ability.

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