The Paton Welding Journal, 2024, №11



2024 №11 (01)

DOI of Article 10.37434/tpwj2024.11.02

2024 №11 (03)

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The Paton Welding Journal, 2024, #11, 14-19 pages

Investigation of corrosion resistance of mixed zinc aluminum and magnesium coatings in varying acidified saline environments

W. Rejmer¹, P. Matyszkiel¹, E. Cieszyńska-Bońkowska², C. Senderowski³

¹Univesity of Warmia and Mazury in Olsztyn, Department of Materials and Machines Technology, Oczapowskiego 11, 10-719 Olsztyn, Poland. E-mail: wojciech.rejmer@uwm.edu.pl
²Enzeit Technik, ul. Przejazdowa 21,05-800 Pruszków, Poland
³Warsaw University of Technology, Institute of Mechanics and Printing, Narbutta 85, 02-524 Warsaw, Poland

Abstract
The increasing drive to use light materials, which will also meet the demands of industry, causes growing interest in zinc mixed coatings. Especially compositions of zinc, aluminum and magnesium are of considerable interest due to their sacrificial protection of coated steel sheet metal in neutral and saline environments. The question that materials experts face is the amount of coating used for anticorrosive protection, as it can significantly lower the cost of large-scale installations. In the presented research, corrosion parameters of commercially available coating with three varying coating masses are assessed. The tests were performed using Linear Polarization Resistance Method, which allows for determination of electrochemical parameters and corrosion wear. The obtained results show that a coating with the most mass does not always provide the most optimal protection in all environments. It is suggested that lower coating masses may lead to more uniform deposition of protective products of electrochemical reactions. Additionally it was found out that thickness of substrate leads to different corrosion protection parameters in same thickness coatings.
Keywords: zinc-magnesium aluminum coatings, electrochemical corrosion, corrosion wear

Received: 10.09.2024
Received in revised form: 28.10.2024
Accepted: 06.12.2024

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Suggested Citation

W. Rejmer, P. Matyszkiel, E. Cieszyńska-Bońkowska, C. Senderowski (2024) Investigation of corrosion resistance of mixed zinc aluminum and magnesium coatings in varying acidified saline environments. The Paton Welding J., 11, 14-19.

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