Advances in Electrodeposited Composite Coatings: Diversity, Applications and Challenges

A special issue of Coatings (ISSN 2079-6412). This special issue belongs to the section "Surface Characterization, Deposition and Modification".

Deadline for manuscript submissions: 20 December 2024 | Viewed by 3573

Special Issue Editors


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Guest Editor
Department of Chemistry, Federal University of Amazonas, Manaus, Amazonas. 69067- 005, Brazil.
Interests: electrochemicals; sensors; analytical chemistry; nanotechnology; nanomaterials; biosensors; microfluidics
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Guest Editor
1. BioMark@UC, Faculty of Sciences and Technology, University of Coimbra, 3004-531 Coimbra, Portugal
2. Department of Physics, Federal University of Amazonas, Manaus 69067-005, AM, Brazil
Interests: surface modification; membranes; sensors

Special Issue Information

Dear Colleagues,

Electrodeposited composite coatings represent a fascinating and innovative point of research within materials science, combining principles of electrochemistry and materials engineering. These coatings are created using a process known as electrodeposition, a technique that involves depositing a material onto a conductive surface through the application of an electric current to a solution containing the desired coating material. Electrodeposited composite coatings offer a wide range of possibilities, including combinations of metals, alloys, and non-metallic materials. These coatings can be tailored to achieve specific characteristics, such as enhanced corrosion resistance, improved wear resistance, or unique electrical and thermal properties.

Among the most significant advantages of electrodeposited composite coatings is their versatility. The properties of the coating can be tailored by adjusting the type and number of particles embedded in the metal matrix, the type of metal used, and the electrodeposition parameters. This customization enables various applications, from anti-corrosive layers to wear-resistant surfaces in various industries. These coatings have applications in numerous industries, including automotive, aerospace, electronics, and renewable energy. Their ability to protect and enhance the performance of components has made them invaluable in settings where durability and reliability are critical.

Electrodeposited composite coatings constitute an exciting area of research and development in materials science. Their unique properties and wide range of applications offer significant benefits over traditional coating methods, making them a key focus for future technological advancements. While electrodeposited composite coatings offer numerous advantages, they are not without challenges. These challenges include optimizing the deposition process for different materials, ensuring coating uniformity, and addressing issues related to adhesion and porosity.

Prof. Dr. Walter Ricardo Brito
Dr. Yonny Romaguera Barcelay
Guest Editors

Manuscript Submission Information

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Submitted manuscripts should not have been published previously, nor be under consideration for publication elsewhere (except conference proceedings papers). All manuscripts are thoroughly refereed through a single-blind peer-review process. A guide for authors and other relevant information for submission of manuscripts is available on the Instructions for Authors page. Coatings is an international peer-reviewed open access monthly journal published by MDPI.

Please visit the Instructions for Authors page before submitting a manuscript. The Article Processing Charge (APC) for publication in this open access journal is 2600 CHF (Swiss Francs). Submitted papers should be well formatted and use good English. Authors may use MDPI's English editing service prior to publication or during author revisions.

Keywords

  • surface modification
  • composite
  • modelling
  • thin films
  • sensors
  • electrochemical process

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Published Papers (2 papers)

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Research

22 pages, 11284 KiB  
Article
Hardness and Wettability Characteristics of Electrolytically Produced Copper Composite Coatings Reinforced with Layered Double Oxide (Fe/Al LDO) Nanoparticles
by Samah Sasi Maoloud Mohamed, Nebojša D. Nikolić, Marija M. Vuksanović, Rastko Vasilić, Dana G. Vasiljević-Radović, Radmila M. Jančić Heinneman, Aleksandar D. Marinković and Ivana O. Mladenović
Coatings 2024, 14(6), 740; https://doi.org/10.3390/coatings14060740 - 11 Jun 2024
Cited by 1 | Viewed by 851
Abstract
The lab-made ferrite-aluminium layered double oxide (Fe/Al LDO) nanoparticles were used as reinforcement in the production of copper matrix composite coatings via the electrodeposition route in this study. The Cu coatings electrodeposited galvanostatically without and with low concentrations of Fe/Al LDO nanoparticles were [...] Read more.
The lab-made ferrite-aluminium layered double oxide (Fe/Al LDO) nanoparticles were used as reinforcement in the production of copper matrix composite coatings via the electrodeposition route in this study. The Cu coatings electrodeposited galvanostatically without and with low concentrations of Fe/Al LDO nanoparticles were characterized by SEM (morphology), AFM (topography and roughness), XRD (phase composition and texture), Vickers microindentation (hardness), and the static sessile drop method (wettability). All Cu coatings were fine-grained and microcrystalline with a (220) preferred orientation, with a tendency to increase the grain size, the roughness, and this degree of the preferred orientation with increasing the coating thickness. The cross-section analysis of coatings electrodeposited with Fe/Al LDO nanoparticles showed their uniform distribution throughout the coating. Hardness analysis of Cu coatings performed by application of the Chicot-Lesage (C-L) composite hardness model showed that Fe/Al LDO nanoparticles added to the electrolyte caused a change of the composite system from “soft film on hard cathode” into “hard film on soft cathode” type, confirming the successful incorporation of the nanoparticles in the coatings. The increase in roughness had a crucial effect on the wettability of the coatings, causing a change from hydrophilic reinforcement-free coatings to hydrophobic coatings obtained with incorporated Fe/Al LDO nanoparticles. Full article
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20 pages, 13537 KiB  
Article
Influence of Selected Parameters of Zinc Electroplating on Surface Quality and Layer Thickness
by Jozef Mascenik, Tomas Coranic, Jiri Kuchar and Zdenek Hazdra
Coatings 2024, 14(5), 579; https://doi.org/10.3390/coatings14050579 - 7 May 2024
Cited by 1 | Viewed by 2344
Abstract
Surface treatment technologies are pivotal across diverse industrial sectors such as mechanical engineering, electrical engineering, and the automotive industry. Continuous advancements in manufacturing processes are geared towards bolstering efficiency and attaining superior product quality. This study aimed to empirically compare practical outcomes with [...] Read more.
Surface treatment technologies are pivotal across diverse industrial sectors such as mechanical engineering, electrical engineering, and the automotive industry. Continuous advancements in manufacturing processes are geared towards bolstering efficiency and attaining superior product quality. This study aimed to empirically compare practical outcomes with theoretical insights. Employing galvanic zinc plating under constant voltage with varying plating durations unveiled a correlation between coating thickness and electrolyte composition alongside plating duration. The graphical representation delineated the optimal electrolyte composition conducive to maximal coating thickness. Notably, an evident decrease in leveling ability was noted with prolonged plating durations. The experiment corroborated the notion that theoretical formulas for coating thickness estimation possess limited accuracy, often resulting in measured values surpassing theoretical predictions. These findings underscore the imperative for refined theoretical models to comprehensively grasp galvanic surface treatment processes. Full article
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