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Article

Electrodeposition of Copper and Brass Coatings with Olive-Like Structure

1
Department of Inorganic Chemistry, Analytical Chemistry and Electrochemistry, Faculty of Chemistry, Silesian University of Technology, B. Krzywoustego Str. 6, 44-100 Gliwice, Poland
2
Faculty of Science and Technology, Institute of Materials Engineering, University of Silesia in Katowice, 75 Pułku Piechoty 1A, 41-500 Chorzów, Poland
*
Author to whom correspondence should be addressed.
Academic Editor: Luigi Calabrese
Materials 2021, 14(7), 1762; https://doi.org/10.3390/ma14071762
Received: 27 January 2021 / Revised: 18 March 2021 / Accepted: 30 March 2021 / Published: 2 April 2021
(This article belongs to the Special Issue Corrosion and Corrosion Inhibition of Metals and Their Alloys)
One method of creating a brass coating is through electrodeposition, which is most often completed in cyanide galvanic baths. Due to their toxicity, many investigations focused on the development of more environmentally friendly alternatives. The purpose of the study was to explore a new generation of non-aqueous cyanide-free baths based on 1-ethyl-3-methylimidazolium acetate ionic liquids. The study involved the formation of copper, zinc, and brass coatings. The influence of the bath composition, cathodic current density, and temperature was determined. The obtained coatings were characterized in terms of their morphology, chemical composition, phase composition, roughness, and corrosion resistance. It was found that the structure of the obtained coatings is strongly dependent on the process parameters. The three main structure types observed were as follows: fine-grained, porous, and olive-like. To the best knowledge of the authors, it is the first time the olive-like structure was observed in the case of an electrodeposited coating. The Cu-Zn coatings consisted of 19–96 at. % copper and exhibited relatively good corrosion resistance. A significant improvement of corrosion properties was found in the case of copper and brass coatings with the olive-like structure. View Full-Text
Keywords: brass coating; Cu-Zn alloy coating; electrodeposition; non-cyanide bath; ionic liquids; 1-ethyl-3-methylimidazolium acetate; olive-like structure brass coating; Cu-Zn alloy coating; electrodeposition; non-cyanide bath; ionic liquids; 1-ethyl-3-methylimidazolium acetate; olive-like structure
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MDPI and ACS Style

Maciej, A.; Łatanik, N.; Sowa, M.; Matuła, I.; Simka, W. Electrodeposition of Copper and Brass Coatings with Olive-Like Structure. Materials 2021, 14, 1762. https://doi.org/10.3390/ma14071762

AMA Style

Maciej A, Łatanik N, Sowa M, Matuła I, Simka W. Electrodeposition of Copper and Brass Coatings with Olive-Like Structure. Materials. 2021; 14(7):1762. https://doi.org/10.3390/ma14071762

Chicago/Turabian Style

Maciej, Artur, Natalia Łatanik, Maciej Sowa, Izabela Matuła, and Wojciech Simka. 2021. "Electrodeposition of Copper and Brass Coatings with Olive-Like Structure" Materials 14, no. 7: 1762. https://doi.org/10.3390/ma14071762

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