Advanced Surface Coatings of Metals: Properties, Techniques and Applications

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

Deadline for manuscript submissions: closed (31 January 2025) | Viewed by 3036

Special Issue Editors


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Guest Editor
School of Science and Engineering, Al Akhawayn University in Ifrane, Hassan II Avenue, 53000 Ifrane, Morocco
Interests: coatings; corrosion protection; surface analysis; DFT; monte carlo simulation

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Guest Editor Assistant
Centre d’Élaboration de Matériaux et d’Études Structurales (CEMES), Centre National de la Recherche Scientifique (CNRS), Université de Toulouse, 29 Rue J. Marvig, BP 94347, 31055 Toulouse, CEDEX, France
Interests: nanophysics; nano-measurement; 2D materials; NC AFM; KPFM; epitaxy

Special Issue Information

Dear Colleagues,

We are pleased to introduce this Special Issue on "Advanced Surface Coatings of Metals: Properties, Techniques, and Applications". The importance of surface coatings in enhancing the properties of metals cannot be overstated, as they play a pivotal role in extending the lifespan, performance, and functionality of metallic components across various industries. This Special Issue aims to provide a comprehensive overview of the latest advancements in surface coating technologies, exploring their properties, techniques, and wide-ranging applications.

Surface coatings serve as the first line of defence against environmental factors such as corrosion, wear, and oxidation. The development of innovative coating materials and deposition techniques has enabled significant improvements in the durability and efficiency of metal surfaces. This Special Issue brings together cutting-edge research and developments that highlight the transformative impact of advanced surface coatings on the metallurgical and materials science fields.

In recent years, significant strides have been made in understanding the fundamental mechanisms that govern the performance of coated surfaces. This has led to the creation of novel coatings with enhanced mechanical, chemical, and thermal properties. Topics covered in this Special Issue include, but are not limited to, nanostructured coatings, high-temperature coatings, anti-corrosive and wear-resistant coatings, and multifunctional coatings that provide combined benefits.

The techniques for applying these advanced coatings are as varied as the coatings themselves. This Special Issue delves into the latest methods such as physical vapor deposition (PVD), chemical vapor deposition (CVD), electroplating, thermal spraying, and laser cladding. Each technique offers unique advantages and is suitable for different applications, from aerospace and automotive industries to medical implants and electronic devices.

Moreover, the application spectrum of advanced surface coatings is ever-expanding. This Special Issue explores their role in enhancing the performance of cutting tools, improving the efficiency of energy systems, protecting infrastructure, and contributing to the sustainability of manufacturing processes. The interdisciplinary nature of surface coating technology is evident as it intersects with fields like chemistry, physics, engineering, and environmental science.

By showcasing a collection of high-quality research articles, reviews, and case studies, this Special Issue aims to provide a platform for researchers, engineers, and industry professionals to share their findings and insights. We believe that this compilation will not only advance the understanding of current trends and challenges in surface coatings but also inspire future innovations that will drive the field forward.

We invite you to delve into the diverse content of this Special Issue and hope that it stimulates further research and collaboration in the exciting domain of advanced surface coatings of metals.

The topics of interest include, but are not limited to, the following:

  1. Nanostructured coatings: enhanced hardness, wear resistance, and corrosion protection.
  2. High-temperature coatings: durability in extreme-temperature environments.
  3. Anti-corrosive coatings: innovations to extend the lifespan of metal components.
  4. Wear-resistant coatings: advanced solutions for high friction and mechanical stress applications.
  5. Corrosion inhibitor coatings: development of coatings that actively prevent corrosion through inhibitor release mechanisms.
  6. Environmental and sustainable coatings: development of eco-friendly and sustainable coating solutions.

Prof. Dr. Nadia Arrousse
Guest Editor

Dr. Hamza Ichou
Guest Editor Assistant

Manuscript Submission Information

Manuscripts should be submitted online at www.mdpi.com by registering and logging in to this website. Once you are registered, click here to go to the submission form. Manuscripts can be submitted until the deadline. All submissions that pass pre-check are peer-reviewed. Accepted papers will be published continuously in the journal (as soon as accepted) and will be listed together on the special issue website. Research articles, review articles as well as short communications are invited. For planned papers, a title and short abstract (about 100 words) can be sent to the Editorial Office for announcement on this website.

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

  • nanostructured coatings
  • high-temperature coatings
  • anti-corrosive coatings
  • wear-resistant coatings
  • corrosion inhibitor coatings
  • physical vapor deposition (PVD)
  • chemical vapor deposition (CVD)
  • sustainable coatings

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Published Papers (2 papers)

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Research

19 pages, 4938 KiB  
Article
Design of Benzoxazine Coatings to Further Advance Acid Resistance of Aluminium Substrates
by Louis Van Renterghem, Roya Malekkhouyan, Leila Bonnaud, Marie-Georges Olivier and Jean-Marie Raquez
Coatings 2025, 15(1), 67; https://doi.org/10.3390/coatings15010067 - 9 Jan 2025
Cited by 1 | Viewed by 775
Abstract
Polybenzoxazine (PBz) resins exhibit excellent mechanical, thermal, and adhesive properties, making them interesting candidates for coating applications. Moreover, thanks to the incorporation of exchangeable ester bonds within the PBz network, the coating presents healable properties that are catalyzed by the intrinsic presence of [...] Read more.
Polybenzoxazine (PBz) resins exhibit excellent mechanical, thermal, and adhesive properties, making them interesting candidates for coating applications. Moreover, thanks to the incorporation of exchangeable ester bonds within the PBz network, the coating presents healable properties that are catalyzed by the intrinsic presence of tertiary amine within the PBz backbone. Unfortunately, these tertiary amine functions are also responsible for the limited resistance of such systems to acid environments by protonation. To address this limitation, the protection of tertiary amines inherent to the PBz network was investigated in this study by incorporating an aromatic group close to the amine function to minimize its protonation via hindrance/mesomeric effects. More precisely, benzoxazine precursors based on monoethanolamine (mea) and aminophenylethyl alcohol (Apa) were synthesized and tested as protective coatings of aluminium alloy substrates (AA1050). The resins were characterized by NMR, FTIR, rheology, TGA, DSC, and DMA. PBz synthesized from Apa exhibits enhanced thermal stability, reduced swelling rates in both water and acid, and shortened relaxation times. After application via solvent casting on AA1050 substrates, the acid resistance of the coatings was evaluated. Electrochemical impedance spectroscopy results demonstrated better resistance of the Apa-based resins in 0.1 M sulfuric acid after one month of immersion. Full article
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22 pages, 8022 KiB  
Article
Study of a New Novel HVOAF Coating Based on a New Multicomponent Al80Mg10Si5Cu5 Alloy
by Ester Villanueva, Iban Vicario, Carlos Vaquero, Joseba Albizuri, Maria Teresa Guraya, Nerea Burgos and Iñaki Hurtado
Coatings 2024, 14(9), 1135; https://doi.org/10.3390/coatings14091135 - 4 Sep 2024
Viewed by 1247
Abstract
This paper presents and demonstrates the development of a new lightweight coating for aluminum alloy from a novel multicomponent alloy based on the AlSiMgCu system. The coating was applied using a newly designed approach that combined high velocity oxy-fuel (HVOF) and plasma spraying [...] Read more.
This paper presents and demonstrates the development of a new lightweight coating for aluminum alloy from a novel multicomponent alloy based on the AlSiMgCu system. The coating was applied using a newly designed approach that combined high velocity oxy-fuel (HVOF) and plasma spraying processes. This hybrid technique enables the deposition of coatings with enhanced performance characteristics. The optical microscopy (OM) and scanning electron microscopy with energy dispersive X-ray spectroscopy (SEM + EDS) revealed a strong adhesion and compaction between the multicomponent coating and the A6061 substrate. The new coating improved hardness by 50% and increased electrical conductivity by approximately 3.3 times compared to the as-cast alloy. Corrosion tests showed a lower corrosion rate, comparable to thermally treated A6061 alloy. Tribological tests indicated over 20% reduction in friction and over 50% reduction in wear rate. This suggests that multicomponent aluminum coatings could improve automotive and parts in contact with hydrogen by enhancing hydrogen fragilization resistance, corrosion resistance, electrical conductivity, and wear properties, with further optimization of thermal spraying potentially boosting performance even further. Full article
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