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Coatings
Special Issues
Corrosion Protection of Metals and Alloys in Extreme Environments
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Corrosion Protection of Metals and Alloys in Extreme Environments

A special issue of Coatings (ISSN 2079-6412). This special issue belongs to the section "Corrosion, Wear and Erosion".

Deadline for manuscript submissions: 31 May 2025 | Viewed by 2150

Special Issue Editor

Dr. Hassane Lgaz

E-Mail Website
Guest Editor
Innovative Durable Building and Infrastructure Research Center, Center for Creative Convergence Education, Hanyang University ERICA, 55 Hanyangdaehak-ro, Sangrok-gu, Ansan-si 15588, Gyeonggi-do, Republic of Korea
Interests: corrosion; green inhibitor; coatings; computational chemistry; surface treatment; surface characterization
Special Issues, Collections and Topics in MDPI journals

Special Issue Information

Dear Colleagues,

We are pleased to invite submissions to a Special Issue of Coatings, entitled “Corrosion Protection of Metals and Alloys in Extreme Environments”.

The corrosion of metals and alloys remains a significant challenge across a variety of industries, particularly in environments characterized by extreme conditions such as high temperatures, pressure, salinity, or exposure to aggressive chemicals. Addressing these challenges requires innovative strategies, including advancements in coating technologies, the use of corrosion inhibitors, and cutting-edge computational simulation techniques to predict and mitigate degradation mechanisms.

This Special Issue will provide a platform for researchers and industry professionals to share their latest findings and developments in corrosion protection strategies for metals and alloys in such environments. We are particularly interested in expanding the scope to include studies that encompass corrosion inhibitors, advanced coating techniques, and computational methods to assess the efficiency and longevity of protective solutions.

This Special Issue aims to gather high-quality original research and review articles that explore recent advances in metal and alloy corrosion protection, especially under extreme environmental conditions. The scope aligns with the core themes of Coatings, while also encouraging contributions from related fields, including corrosion inhibition and computational modeling.

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

  • Development and characterization of innovative coating systems for corrosion protection;
  • Application of corrosion inhibitors in extreme environments;
  • Nanomaterials for enhanced corrosion resistance;
  • Electrochemical techniques for corrosion assessment and protection;
  • Computational simulation of corrosion processes and protective measures;
  • Synergistic effects of coatings and inhibitors on corrosion mitigation;
  • Corrosion under high temperatures, high pressures, and other aggressive conditions;
  • Case studies on corrosion protection in oil and gas, aerospace, marine, and chemical processing industries, among others.

We encourage original research articles, comprehensive reviews, and case studies that offer new insights into the mechanisms of corrosion and protection strategies alongside experimental and computational approaches for improving corrosion resistance. All manuscripts will be subject to a rigorous peer-review process, ensuring the publication of high-quality research which will advance knowledge in the field.

Dr. Hassane Lgaz
Guest Editor

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

  • corrosion protection
  • coatings
  • corrosion inhibitors
  • computational simulation
  • extreme environments
  • metals and alloys
  • high-temperature corrosion
  • electrochemical analysis
  • nanomaterials
  • corrosion resistance

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Further information on MDPI's Special Issue policies can be found here.

Published Papers (2 papers)

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Research

30 pages, 10226 KiB  
Article
Environmentally Friendly Solutions as Potential Alternatives to Chromium-Based Anodization and Chromate Sealing for Aeronautic Applications
by Norica Godja and Florentina-Daniela Munteanu
Coatings 2025, 15(4), 439; https://doi.org/10.3390/coatings15040439 - 8 Apr 2025
Viewed by 476
Abstract
The adoption of chrome-free anodizing and sealing systems for aluminum alloys, particularly AA2024, is gaining prominence due to environmental and health concerns associated with traditional Cr(VI)-based processes. This study evaluates the environmental and economic impacts of sulfuric acid anodizing (SAA) combined with sealing [...] Read more.
The adoption of chrome-free anodizing and sealing systems for aluminum alloys, particularly AA2024, is gaining prominence due to environmental and health concerns associated with traditional Cr(VI)-based processes. This study evaluates the environmental and economic impacts of sulfuric acid anodizing (SAA) combined with sealing based on fluorozirconate, molybdate, and cerate. Comparative analyses were conducted against conventional Cr(VI) systems and SAA with Cr(III) sealing, focusing on corrosion resistance, energy consumption, washing steps and material flows. The entire anodizing process was examined, including pretreatment, anodization, and sealing. Electrochemical analyses and surface characterization through SEM/EDS, FIB, and XPS were conducted. The results demonstrate that the chromium-free system offers competitive corrosion resistance while significantly reducing environmental and economic costs. Furthermore, fluorozirconate, molybdate, and cerate-based post-treatments broaden its application spectrum in corrosion science and warrant further exploration. However, adopting new sealing technologies in aerospace requires extensive certification involving corrosion resistance, durability assessments, and stringent environmental simulations. Compliance with regulatory standards set by the FAA (Federal Aviation Administration) and EASA (European Union Aviation Safety Agency) necessitates thorough documentation, third-party validation, and testing to ensure safety and performance before industrial implementation. These challenges underscore the complexity of transitioning to more sustainable anodizing and sealing technologies in the aerospace industry. Full article
(This article belongs to the Special Issue Corrosion Protection of Metals and Alloys in Extreme Environments)
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24 pages, 7747 KiB  
Article
Bio-Based Corrosion Inhibition of Carbon Steel Using Ammi visnaga L. Essential Oil in Acidic Mediums: Experimental Analysis and Molecular Modeling
by Aouatife Zaher, Hassane Lgaz, Asmaa Boukhraz, Ali Aldalbahi, Han-seung Lee, Brahim Bourkhiss and Mohammed Ouhssine
Coatings 2024, 14(12), 1556; https://doi.org/10.3390/coatings14121556 - 12 Dec 2024
Cited by 2 | Viewed by 1400
Abstract
Bio-based corrosion inhibitor formulations are incredibly promising for mitigating corrosion, offering an environmentally sustainable approach while providing effective protection against material degradation. This study explores the corrosion inhibition potential of Ammi visnaga essential oil (AVEO) on carbon steel (CS) in a 1 mol/L [...] Read more.
Bio-based corrosion inhibitor formulations are incredibly promising for mitigating corrosion, offering an environmentally sustainable approach while providing effective protection against material degradation. This study explores the corrosion inhibition potential of Ammi visnaga essential oil (AVEO) on carbon steel (CS) in a 1 mol/L hydrochloric acid (HCl) medium, combining electrochemical impedance spectroscopy (EIS), potentiodynamic polarization (PDP), linear polarization resistance (LPR), weight loss (WL) analysis, density functional theory (DFT), density-functional tight-binding (DFTB) modeling, and molecular dynamics (MD) simulation. The AVEO was extracted through hydrodistillation, and its chemical profile was characterized to identify key active compounds. EIS and PDP results revealed that the AVEO effectively inhibited corrosion through the formation of a protective layer on the steel surface, exhibiting inhibition efficiencies of up to 84% at 3 g/L, with a mixed-type corrosion inhibition action. Nyquist plots displayed an increased polarization resistance with the AVEO concentration, indicating an enhanced surface coverage and reduction in active corrosion sites. WL studies further supported these findings, showing decreased corrosion rates proportional to the AVEO concentration, while temperature variation studies showed a decreased performance at higher temperatures. Scanning electron microscope (SEM) analysis supported the formation of an effective protective layer on the CS surface upon the addition of AVEO to the HCl medium. DFTB modeling and MD simulations were employed to evaluate the interaction between major AVEO constituents and the steel surface, providing insight into the adsorption behavior and the electronic contributions at the molecule–metal interface. The combined experimental and theoretical findings indicate that AVEO holds promise as a natural, eco-friendly corrosion inhibitor, with implications for sustainable metal protection in acidic environments. Full article
(This article belongs to the Special Issue Corrosion Protection of Metals and Alloys in Extreme Environments)
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