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Organic Coatings for Improved Corrosion Resistance

A special issue of Materials (ISSN 1996-1944). This special issue belongs to the section "Corrosion".

Deadline for manuscript submissions: 10 January 2025 | Viewed by 2132

Special Issue Editors


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Guest Editor
Faculty of Chemical Engineering and Technology, University of Zagreb, Marulicev trg 19, 10000 Zagreb, Croatia
Interests: corrosion mechanisms; corrosion inhibitors; self-assembled films; protective coatings; electrochemical techniques
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Guest Editor
Institute of Particle Technology (LFG), Friedrich-Alexander University Erlangen-Nuremberg, Cauerstraße 4, D-91058 Erlangen, Germany
Interests: corrosion; self-assembled films; corrosion inhibitors; coatings; laser spectroscopy; electrochemistry; local probe techniques
Special Issues, Collections and Topics in MDPI journals

Special Issue Information

Dear Colleagues,

Corrosion processes lead to the deterioration of metallic structures, which can result in both significant financial losses and the endangerment of human lives and the environment. For this reason, various corrosion protection methods are applied in practice to prolong the lifetime of metallic structures. In particular, organic coatings have been successfully utilized in various industries as a barrier against the corrosion and oxidation of metals and alloys.

The field of coatings has witnessed tremendous progress in the synthesis, application, and characterization of organic coatings. The combination of novel spectroscopic, microscopic, and electrochemical characterization methods, with enhanced sensitivity and improved lateral and temporal resolution, with computational simulation and modeling, has deepened our understanding of the formation, corrosion protection, and degradation mechanisms of organic coatings. In parallel, various techniques have been developed to improve the application method and durability of the organic coating on complex industrial parts. Organic coatings with self-healing or pH-sensitive properties, as well as those with improved adhesion have been developed.

To cover the recent progress in the field, it is our pleasure to invite you to submit a manuscript on “Organic Coatings for Improved Corrosion Resistance” in this Special Issue of Materials. Both original scientific papers and reviews are welcome.

Prof. Dr. Helena Otmačić Ćurković
Dr. Saman Hosseinpour
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. Materials is an international peer-reviewed open access semimonthly 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

  • organic coatings
  • corrosion
  • characterization
  • simulation
  • smart coatings
  • multilayer coatings

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Published Papers (2 papers)

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Research

17 pages, 8235 KiB  
Article
Phosphonic Acids as Corrosion Inhibitors and Adhesion Promoters for Organic Coatings and Bronze
by Dajana Mikić, Floren Radovanović-Perić and Helena Otmačić Ćurković
Materials 2024, 17(15), 3710; https://doi.org/10.3390/ma17153710 - 26 Jul 2024
Viewed by 604
Abstract
Currently used organic coatings for the protection of bronze sculptures have a relatively short lifespan as a consequence of strict requirements of conservation ethics, which limit the selection of coatings. For that reason, enhancement of the corrosion protection level and durability of appropriate [...] Read more.
Currently used organic coatings for the protection of bronze sculptures have a relatively short lifespan as a consequence of strict requirements of conservation ethics, which limit the selection of coatings. For that reason, enhancement of the corrosion protection level and durability of appropriate coatings is needed. The aim of this work was to examine if corrosion protection of bronze by selected acrylic and polyurethane coatings could be improved by using two phosphonic acids, 16-phosphonohexadecanoic acid (COOH-PA) and 12-aminododecylphosphonic acid (NH2-PA). Electrochemical measurements (linear polarization and electrochemical impedance spectroscopy, EIS) were performed to gain an insight into the influence of these phosphonic acids on the performance of the coatings during a two-week exposure to artificial acid rain and a three-month outdoor exposure. Besides the influence on the corrosion protection level, the influence on the coating adhesion was examined as well. A pull-off test clearly confirmed that the studied phosphonic acids act as adhesion promoters of both polyurethane and acrylic coatings, while electrochemical studies revealed improvements in corrosion protection levels, especially in the case of the acrylic coating Paraloid B72. Full article
(This article belongs to the Special Issue Organic Coatings for Improved Corrosion Resistance)
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14 pages, 5436 KiB  
Article
Study on the Influence of Metal Substrates on Protective Performance of the Coating by EIS
by Jiyun Gong, Han Wei, Pan Hao, Shenghui Li, Xuhui Zhao, Yuming Tang and Yu Zuo
Materials 2024, 17(2), 378; https://doi.org/10.3390/ma17020378 - 12 Jan 2024
Cited by 1 | Viewed by 997
Abstract
The degradation process of a red iron oxide epoxy coating on three kinds of metals under a periodic cycling exposure to 3.5 wt% NaCl solution (45 °C 12 h + 25 °C 12 h) was comparatively studied using electrochemical impedance spectroscopy (EIS), Fourier [...] Read more.
The degradation process of a red iron oxide epoxy coating on three kinds of metals under a periodic cycling exposure to 3.5 wt% NaCl solution (45 °C 12 h + 25 °C 12 h) was comparatively studied using electrochemical impedance spectroscopy (EIS), Fourier transform infrared spectroscopy (FTIR), scanning electron microscopy (SEM), and X-ray diffraction (XRD) methods. The influence of the metal substrates (carbon steel, brass, and Al alloy) on the protection performance of the coating was analyzed using variations in the electrochemical and chemical parameters. The failure criteria of the coating were discussed. The results show that the coating on the three substrates presents different failure times, with the coating on steel presenting the shortest time and the coating on Al alloy the longest time. The characteristics of metal substrates and their corrosion products influence the coating failure behavior. The corrosion products with loose and hygroscopic properties of steel and brass have promoting effects on the diffusion of water through the coating. The passive film of the Al alloy substrate and the formation of salt film containing Cl have corrosion-inhibiting effects on the substrate. Evaluation of the coating performance by |Z|0.01Hz should consider the characteristics of the metal substrates. Full article
(This article belongs to the Special Issue Organic Coatings for Improved Corrosion Resistance)
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