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Metals
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Editorial Board Members’ Collection Series: "Corrosion Protection and Prevention"
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Editorial Board Members’ Collection Series: "Corrosion Protection and Prevention"

A special issue of Metals (ISSN 2075-4701). This special issue belongs to the section "Corrosion and Protection".

Deadline for manuscript submissions: closed (30 June 2024) | Viewed by 4079

Special Issue Editors

Prof. Dr. Dake Xu

E-Mail Website
Guest Editor
School of Materials Science and Engineering, Northeastern University, Shenyang 110819, China
Interests: microbiologically influenced corrosion and its mitigation; antibacterial materials and biofouling
Special Issues, Collections and Topics in MDPI journals
Prof. Dr. Juan Creus

E-Mail Website
Guest Editor
LaSIE UMR 7356 CNRS, La Rochelle Université, 17042 La Rochelle, Cedex 1, France
Interests: corrosion; electrodeposition; surface engineering; zinc alloys; aluminium alloys; smart coatings
Prof. Dr. Peng Wang

E-Mail Website
Guest Editor
Key Laboratory of Marine Environmental Corrosion and Bio-fouling, Institute of Oceanology, Chinese Academy of Sciences, 7 Naihai Road, Qingdao 266071, China
Interests: corrosion mechansim; protetion strategy

Special Issue Information

Dear Colleagues,

Corrosion not only threatens the safety of engineerings but also causes huge ecomomic losses. It has been reported that corrosion cost occupies about 3% of GDP, which explains why corrosion protection is attracting much attention from industry. Using available corrosion control practices, it is estimated that savings of between 15% and 35% of the cost of corrosion could be realized. In addition to the economic cost, corrosion failure may result in leakage, fire, and explosion accidents. Presently, there is a strong emphasis on the development of an advanced strategy for corrosion protection in different technological applications.

The aim of this Special Issue is to provide the readership of Metals with the most up-to-date research in the corrosion and protection of materials. The topics of interest are related to corrosion behaviors and mechanisms of novel materials and novel protective coatings and methods. We welcome reviews and research articles.

Prof. Dr. Dake Xu
Prof. Dr. Juan Creus
Prof. Dr. Peng Wang
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. Metals 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 failure
  • corrosion mechanism
  • corrosion protection
  • corrosion prediction

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Published Papers (4 papers)

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Research

12 pages, 9591 KiB  
Article
Modeling the Impact of Grain Size on Corrosion Behavior of Ni-Based Alloys in Molten Chloride Salt via Cellular Automata
by Jinghua Feng, Jianxi Gao, Li Mao, Ryan Bedell and Emily Liu
Metals 2024, 14(8), 931; https://doi.org/10.3390/met14080931 (registering DOI) - 15 Aug 2024
Abstract
Molten chloride salts hold significant promise as both thermal transfer and storage media for next-generation concentrated solar power (CSP) systems. However, molten chlorides pose a considerable corrosion risk to structural materials, particularly Ni-based alloys. One approach to enhancing corrosion resistance is through the [...] Read more.
Molten chloride salts hold significant promise as both thermal transfer and storage media for next-generation concentrated solar power (CSP) systems. However, molten chlorides pose a considerable corrosion risk to structural materials, particularly Ni-based alloys. One approach to enhancing corrosion resistance is through the optimization of grain structure; however, it remains uncertain whether increasing or decreasing grain size enhances corrosion resistance. A cellular automata (CA) program was developed to evaluate the interplay between grain size and corrosion in Ni-based alloy. Our CA program tracks alloy composition, surface roughness, and thickness loss via a graphical user interface, displaying corrosion and diffusion status, and multiple user input cards for tuning the simulation. CA simulations of Inconel 625 indicate enhanced corrosion resistance with increased grain size, with passivating oxides offering limited protection. Additionally, the temporal evolution of alloy surface roughness demonstrates notable fluctuations, with abrupt increases attributed to corrosion along vertical grain boundaries and sudden decreases to grain detachment from the protective film. Full article
(This article belongs to the Special Issue Editorial Board Members’ Collection Series: "Corrosion Protection and Prevention")
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26 pages, 4396 KiB  
Article
Improving the Corrosion Resistance of Anodized Al 1050 Alloy by Sealing in Cerium-Containing and Mixed Sodium Phosphate Mono Basic and Calcium Nitrate Solutions
by Reni Andreeva, Aleksandar Tsanev and Dimitar Stoychev
Metals 2024, 14(7), 768; https://doi.org/10.3390/met14070768 - 28 Jun 2024
Viewed by 607
Abstract
This investigation presents results on the improvement of the corrosion-protective effect of consecutive sealing treatments of anodized Al 1050 (AlAnod). The treatments were performed in cerium-containing and mixed NaH2PO4 + Ca(NO3)2 solutions. The changes of [...] Read more.
This investigation presents results on the improvement of the corrosion-protective effect of consecutive sealing treatments of anodized Al 1050 (AlAnod). The treatments were performed in cerium-containing and mixed NaH2PO4 + Ca(NO3)2 solutions. The changes of the surface morphology, structure and chemical composition, chemical state of the elements, and basic corrosion parameters of the studied systems were investigated by SEM, EDXS, XRD, XPS, and a complex of electrochemical techniques (PDP, EOCP vs. timeplot, chronoamperometric transients, Rp and CR at EOCP, etc.). The results obtained show that the basic components of the obtained sealing conversion layers (before and after exposure to model Cl−-containing corrosion media) are characterized by Ca10(PO4)6(OH)2, AlO(OH), CePO4, and CeAlO3 (after the corrosion tests, they are converted to insoluble Me-PO3 and Me-P4O10). We conclude that the observed decrease in the corrosion rate of Al and the corresponding increase in the polarization resistance are accomplished by the two-step sealing treatment, which fills up the AlAnod pores with insoluble deposits. Full article
(This article belongs to the Special Issue Editorial Board Members’ Collection Series: "Corrosion Protection and Prevention")
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16 pages, 7114 KiB  
Article
Effect of Microstructure on Coalescence-Induced Droplet Jumping Behavior of a Superhydrophobic Surface and Its Application for Marine Atmospheric Corrosion Protection
by Zhengshen Chen, Xiaotong Chen, Yihan Sun, Guoqing Wang and Peng Wang
Metals 2023, 13(8), 1413; https://doi.org/10.3390/met13081413 - 7 Aug 2023
Cited by 2 | Viewed by 1392
Abstract
Coalescence-induced droplet jumping behavior (CIDJB) refers to the spontaneous jumping of droplets on a specific superhydrophobic surface (SS) without any external energy, which offers a new approach to the field of marine atmospheric corrosion protection by isolating corrosive media. In this study, a [...] Read more.
Coalescence-induced droplet jumping behavior (CIDJB) refers to the spontaneous jumping of droplets on a specific superhydrophobic surface (SS) without any external energy, which offers a new approach to the field of marine atmospheric corrosion protection by isolating corrosive media. In this study, a flower-like micro–nanocomposite structure SS (F-SS) and a sheet-like nanostructure SS (S-SS) were prepared on copper sheets by ammonia immersion and chemical vapor deposition. Firstly, we observed the microstructure characteristics of the samples and secondly analyzed its chemical composition and wettability. Moreover, the CIDJB was studied by simulated condensation experiments, and the influence of the microstructure on CIDJB was revealed. Meanwhile, the atmospheric corrosion resistance of samples was analyzed by electrochemical impedance spectroscopy (EIS) measurements, and the protection mechanism of SS through CIDJB was proposed. The results showed that the S-SS had a smaller solid–liquid contact area and lower interfacial adhesion, which is more conducive to CIDJB. Since a larger solid–liquid contact area requires greater interface adhesion energy for the droplets to overcome, droplet jumping behavior was not observed on the F-SS. Compared with the F-SS, the S-SS exhibited outstanding corrosion resistance due to the wettability transition of droplets by CIDJB, which facilitated the restoration of the air film to insulate the corrosive medium. The present study provides a reference for a marine atmospheric corrosion resistance technique through CIDJB on an SS. Full article
(This article belongs to the Special Issue Editorial Board Members’ Collection Series: "Corrosion Protection and Prevention")
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Graphical abstract

14 pages, 3794 KiB  
Article
The Nitrate-Dependent Impact of Carbon Source Starvation on EH40 Steel Corrosion Induced by the Coexistence of Desulfovibrio vulgaris and Pseudomonas aeruginosa
by Wenkai Wang, Zhihua Sun, Jiajia Wu, Dun Zhang, Peng Wang, Ce Li, Liyang Zhu, Yaohua Gao and Yan Sun
Metals 2023, 13(2), 413; https://doi.org/10.3390/met13020413 - 16 Feb 2023
Cited by 2 | Viewed by 1414
Abstract
Carbon source starvation can promote steel corrosion in the presence of a pure culture through extracellular electron transfer (EET). However, the impact of carbon source starvation on corrosion induced by mixed strains is still unknown. This work investigated the impact of carbon source [...] Read more.
Carbon source starvation can promote steel corrosion in the presence of a pure culture through extracellular electron transfer (EET). However, the impact of carbon source starvation on corrosion induced by mixed strains is still unknown. This work investigated the impact of carbon source starvation on EH40 steel corrosion in the presence of Desulfovibrio vulgaris and Pseudomonas aeruginosa, typical species of sulfate- and nitrate-reducing bacteria. It was found that the impact of carbon source starvation on corrosion depended on nitrate addition. When nitrate (5 g∙L−1 NaNO3) was not added, the corrosion was promoted by carbon source starvation. However, the corrosion was initially promoted by carbon source starvation, but later inhibited with nitrate addition. The corrosion behaviors in different systems were closely related to different numbers of the strains in biofilms and their metabolic activities, and the mechanisms were revealed. Full article
(This article belongs to the Special Issue Editorial Board Members’ Collection Series: "Corrosion Protection and Prevention")
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