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Study of the Wear, Erosion and Corrosion Behavior of Metal...
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Study of the Wear, Erosion and Corrosion Behavior of Metal Alloy Coatings for Industrial Applications

A special issue of Coatings (ISSN 2079-6412).

Deadline for manuscript submissions: 17 November 2025 | Viewed by 996

Special Issue Editors

Dr. Walid Daoudi

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Guest Editor
Laboratory of Molecular Chemistry, Materials and Environment (LCM2E), Department of Chemistry, Multidisciplinary Faculty of Nador, University Mohamed I, Nador 60700, Morocco
Interests: corrosion; corrosion inhibition; metal coating; nanocomposite; hybrid materials; solar cell
Dr. Abdelmalik El Aatiaoui

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Guest Editor
Laboratory of Molecular Chemistry, Materials and Environment (LCM2E), Department of Chemistry, Multidisciplinary Faculty of Nador, University Mohamed I, Nador 60700, Morocco
Interests: corrosion; corrosion inhibition

Special Issue Information

Dear Colleagues,

The study of the wear, erosion and corrosion behavior of metal alloy coatings is of crucial importance in the industrial field. Indeed, materials used in various sectors, such as the aerospace, automotive and marine industries, are often exposed to extreme environments that compromise their structural integrity and shorten their service life. Wear, resulting from friction between surfaces, and erosion, due to the impact of solid or liquid particles, cause degradation that can be exacerbated by corrosion. The latter, caused by chemical and electrochemical interactions with the environment, represents a major threat to material performance.

Metallic alloy coatings, with their specific properties, offer a solution for protecting surfaces against such aggression. By optimizing their composition and structure, it is possible to increase their resistance and extend component life. The aim of this study is therefore to characterize and compare various coatings in terms of resistance to wear, erosion and corrosion, in order to identify the alloys best suited to demanding industrial applications.

Dr. Walid Daoudi
Dr. Abdelmalik El Aatiaoui
Guest Editors

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

  • specific industrial applications of metal alloy coatings
  • development of advanced coatings for protection against corrosion and wear
  • studies of degradation mechanisms under multiple stresses
  • effect of surface treatments and deposition processes on the performance of alloy coatings
  • modeling and simulation of coating degradation under industrial conditions

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Published Papers (1 paper)

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Research

8 pages, 1408 KiB  
Article
Combinatorial Deposition and Wear Testing of HiPIMS W-C Films
by Joern Kohlscheen and Christian Bareiss
Coatings 2025, 15(1), 115; https://doi.org/10.3390/coatings15010115 - 20 Jan 2025
Viewed by 572
Abstract
We used high-power impulse magnetron sputtering (HiPIMS) to deposit tungsten carbide films for superior wear protection in abrasive environments. In order to sample different W-to-C ratios more efficiently, a combinatorial approach was chosen. A single sputter target with two equal segments was used, [...] Read more.
We used high-power impulse magnetron sputtering (HiPIMS) to deposit tungsten carbide films for superior wear protection in abrasive environments. In order to sample different W-to-C ratios more efficiently, a combinatorial approach was chosen. A single sputter target with two equal segments was used, consisting of an upper tungsten and lower graphite segment. This allowed us to vertically sample various elemental compositions in just one deposition run without creating graphitic nano-layers by rotating the substrate holder. The substrate bias voltage, being one of the most effective process parameters in physical vapor deposition (PVD), was applied in both constant and pulsed modes (the latter synchronized to the target pulse). A direct comparison of the different modes has not been performed so far for HiPIMS W-C (separated W and C targets). The resulting coating properties were mainly analyzed by nano-hardness testing and X-ray diffraction. In general, the W2C phase prevailed in tungsten-rich coatings with pulsed bias, leading to slightly higher tungsten contents. Hardness reached maximum values of up to 35 GPa in the center region between the two segments, where a mix of W2C and WC1-x phases occurs. With pulsed bias, voltage hardnesses are slightly higher, especially for tungsten-rich films. In those cases, compressive stress was also found to be higher when compared to constant bias. Erosive wear testing by blasting with alumina grit showed that the material removal rate followed basically the coating’s hardness but surprisingly reached minimum wear loss for W2C single-phase films just before maximum hardness. In contrast to previous findings, low friction that requires higher carbon contents of at least 50 at. % is not favorable for this type of wear. Full article
(This article belongs to the Special Issue Study of the Wear, Erosion and Corrosion Behavior of Metal Alloy Coatings for Industrial Applications)
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