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Microstructure and Corrosion Behavior of Metallic Materials
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Microstructure and Corrosion Behavior of Metallic Materials

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 19822

Special Issue Editor

Dr. Dongdong Song

E-Mail Website
Guest Editor
Key Laboratory of Energy Transfer and System of Power Station of Ministry of Education, North China Electric Power University, Beijing 102206, China
Interests: environmental corrosion of materials and safety of electrical equipment; micro–nano surface technology; corrosion resistant coatings; corrosion and protection of metals

Special Issue Information

Dear Colleagues,

This Special Issue, "Microstructure and Corrosion Behavior of Metallic Materials", enables the publication of theoretical and experimental studies in corrosion science and engineering for metallic materials. Appropriate submissions include studies that investigate the scientific and/or engineering factors that affect the metallurgy, processing, microstructure, properties, and applications of metallic materials and reports that contribute to the body of knowledge by documenting corrosion science and engineering research.

This Special Issue covers all aspects of metallic materials and their manufacture, including rare earth element, raw materials, alloy casting, extrusion and deformation, surface treatment, joining and machining, simulation and modeling, microstructure evolution, and corrosion properties.

Dr. Dongdong Song
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

  • rare earth element
  • raw materials
  • alloy casting
  • extrusion and deformation
  • surface treatment
  • joining and machining
  • simulation and modeling
  • microstructure evolution and corrosion

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

Published Papers (5 papers)

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Research

Jump to: Review

15 pages, 3168 KiB  
Article
Enhancing the Corrosion Resistance of Passivation Films via the Synergistic Effects of Graphene Oxide and Epoxy Resin
by Bo-Rui Wu, Jian-Tao Yao, Hui Dong, Ze-Lin Chen and Xiao-Gang Liu
Coatings 2025, 15(4), 444; https://doi.org/10.3390/coatings15040444 - 8 Apr 2025
Viewed by 113
Abstract
Silane-based passivation films have been widely utilized for corrosion protection in metal materials. In order to further improve the anticorrosion performance of the silane passivation film, this paper adopts the hydrolysis method to add graphene oxide (GO) to the silane coupling agent (3-(2,3-glycidoxy)propyltrimethoxysilane) [...] Read more.
Silane-based passivation films have been widely utilized for corrosion protection in metal materials. In order to further improve the anticorrosion performance of the silane passivation film, this paper adopts the hydrolysis method to add graphene oxide (GO) to the silane coupling agent (3-(2,3-glycidoxy)propyltrimethoxysilane) (KH560). The synthesized KH560-GO passivation solution was then mixed with epoxy resin (EP) to prepare a silane composite passivation film layer (KH560-GO/EP) containing GO and epoxy resin. For comparison, EP and KH560-GO films were also prepared, and the corrosion performance of the composite film was compared with that of the single film. The structure of the KH560-GO film was characterized by X-ray diffraction analyzer (XRD) and infrared spectroscopy (FTIR). The microstructure of the composite film was analyzed by scanning electron microscopy (SEM), while its corrosion resistance was tested through polarization curves and electrochemical impedance spectroscopy (EIS). Additionally, neutral salt spray tests were conducted to evaluate the corrosion resistance of the samples, and rubber wiping tests were performed to assess the adhesion of the film. The results demonstrated that the KH560-GO/EP film exhibited a higher corrosion potential (Ecorr) of −0.239 V compared to the EP and KH560-GO films, along with the lowest self-corrosion current density (Icorr) of 6.157 × 10−7 A/cm2. These findings indicate that the KH560-GO/EP film possesses excellent corrosion resistance. The results showed that the corrosion potential (Ecorr) of the KH560-GO/EP film was higher than that of EP and KH560-GO film layer is −0.239 V, and the self-corrosion current density (Icorr) is the smallest, which is 6.157 × 10−7 A/cm2. The KH560-GO/EP film layer shows excellent corrosion resistance. Experiments show that the KH560-GO/EP passivated film has excellent bonding properties and corrosion resistance. Full article
(This article belongs to the Special Issue Microstructure and Corrosion Behavior of Metallic Materials)
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13 pages, 16766 KiB  
Article
Selection of Zinc Coatings Based on Corrosion Behavior and Environmental Impact Assessment
by Die Wang, Zhiyue Gao, Yaping Wu, Baoshuai Du and Zhibin Fan
Coatings 2025, 15(2), 199; https://doi.org/10.3390/coatings15020199 - 7 Feb 2025
Viewed by 651
Abstract
This paper presents a novel and effective approach for the rational selection of zinc coatings in industrial applications. The corrosion behaviors of three types of zinc coatings were investigated through salt spray testing in the laboratory. Corrosion failure characteristics of the coatings were [...] Read more.
This paper presents a novel and effective approach for the rational selection of zinc coatings in industrial applications. The corrosion behaviors of three types of zinc coatings were investigated through salt spray testing in the laboratory. Corrosion failure characteristics of the coatings were analyzed using corrosion morphology observation, electrochemical analysis, corrosion product identification, and weight loss measurements. Additionally, the environmental impacts of the production processes for the three coatings were evaluated. Among the three coatings, the thermally sprayed zinc–aluminum coating exhibited the best corrosion resistance in the salt spray test, while the hot-dip zinc coating showed the poorest performance. The electrochemical characteristics of the coatings at various stages of corrosion were examined using polarization curves, revealing the changes in corrosion current and corrosion potential that corresponded to the failure progression of the coatings. The corrosion products of the thermally sprayed zinc–aluminum coating primarily included ZnO, Al2O3, Zn(OH)2, and ZnAl2O4 phases. In contrast, the corrosion products of the thermally sprayed zinc coating and the hot-dip zinc coating predominantly consisted of ZnO and Zn(OH)2 phases. Finally, the environmental impact indicators of the three coatings were assessed using the IMPACT2002+ method. Full article
(This article belongs to the Special Issue Microstructure and Corrosion Behavior of Metallic Materials)
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16 pages, 4725 KiB  
Article
The Corrosion Behavior of Different Silver Plating Layers as Electrical Contact Materials in Sulfur-Containing Environments
by Bingkun Yang, Yun Chen, Wenkui Hao, Yu Han, Qiang Zhang, Yujie Li, Xiaofang Wang, Luyao Huang and Yiliang Lu
Coatings 2023, 13(10), 1796; https://doi.org/10.3390/coatings13101796 - 20 Oct 2023
Cited by 3 | Viewed by 4655
Abstract
Isolation switching devices are vital components in power grids. During their operational lifespan, these devices are prone to corrosion failure in atmospheric environments. To enhance conductivity and corrosion resistance, silver plating is applied to the contact surface of high-voltage switches. Common methods include [...] Read more.
Isolation switching devices are vital components in power grids. During their operational lifespan, these devices are prone to corrosion failure in atmospheric environments. To enhance conductivity and corrosion resistance, silver plating is applied to the contact surface of high-voltage switches. Common methods include graphite-Ag (G-Ag) coating, graphene-Ag (Gr-Ag) coating, and Ag-Sn coating. In this article, the corrosion resistance performance of silver plating, G-Ag coating, Gr-Ag coating, and Ag-Sn coating was studied. Firstly, adhesion tests were conducted on the plating layers. Subsequently, immersion experiments were performed to evaluate the corrosion resistance of the samples. Scanning electron microscopy (SEM), energy-dispersive X-ray spectroscopy (EDS), and laser confocal microscopy were used to analyze the morphology and elemental composition of the samples. Raman spectroscopy was used to analyze corrosion products. An electrochemical workstation was employed to study the electrochemical behavior of the samples. The adhesion results indicate that the adhesion of the plating layers is excellent. The immersion and electrochemical results showed the corrosion resistance order of the four Ag coatings was Ag-Sn coating > Gr-Ag coating > Ag coating > G-Ag coating. Full article
(This article belongs to the Special Issue Microstructure and Corrosion Behavior of Metallic Materials)
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Review

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24 pages, 4524 KiB  
Review
Progress in Marine Antifouling Coatings: Current Status and Prospects
by Liang Li, Heting Hong, Jingyi Cao and Yange Yang
Coatings 2023, 13(11), 1893; https://doi.org/10.3390/coatings13111893 - 3 Nov 2023
Cited by 17 | Viewed by 10040
Abstract
The shipping industry is vital to global trade. Unfortunately, this industry is negatively impacted on a large scale by biofouling, a process whereby unwanted organisms accumulate on submerged surfaces, massively affecting traveling speed and fuel consumption. Fortunately, antifouling coatings have been developed to [...] Read more.
The shipping industry is vital to global trade. Unfortunately, this industry is negatively impacted on a large scale by biofouling, a process whereby unwanted organisms accumulate on submerged surfaces, massively affecting traveling speed and fuel consumption. Fortunately, antifouling coatings have been developed to combat this problem. This review summarizes the process of biofouling and briefly discusses the history of antifouling coating development. Moreover, eight major antifouling coatings are reviewed, including bionic microstructure, self-polishing, fouling and desorption, zwitterionic polymer, self-assembled thin-layer, liquid-smooth surface, conductive, and photocatalytic antifouling coatings. The technical principles, innovation, and advancement of each coating are expounded, and the relevant research progress is discussed. Finally, the remaining issues and challenges in antifouling coatings are discussed, along with their prospects. Full article
(This article belongs to the Special Issue Microstructure and Corrosion Behavior of Metallic Materials)
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15 pages, 2027 KiB  
Review
Stress Corrosion Cracking of Copper–Nickel Alloys: A Review
by Dandan Li, Kaiyang Li, Jiajie Gao, Yunfeng Liu, Chao Qin, Jianfeng Li, Yongshuai Li, Wei Cao, Yunlong Zhai and Guojie Huang
Coatings 2023, 13(10), 1690; https://doi.org/10.3390/coatings13101690 - 26 Sep 2023
Cited by 2 | Viewed by 3784
Abstract
Under the combination of certain corrosive ions and stress, Cu-Ni alloys may experience severe stress corrosion cracking (SCC), which causes premature failure and hinders their further applications as crucial construction materials in various engineering fields. To reveal the origin of such failure, minimize [...] Read more.
Under the combination of certain corrosive ions and stress, Cu-Ni alloys may experience severe stress corrosion cracking (SCC), which causes premature failure and hinders their further applications as crucial construction materials in various engineering fields. To reveal the origin of such failure, minimize the related negative impacts, and achieve economic and social benefits, this review summarizes all SCC-related issues by making a brief introduction to Cu-Ni alloys, reporting the SCC behavior in various environments, identifying the effects of different factors during SCC, and revealing the SCC degradation mechanisms. S2− and NH4+ are the prominent SCC initiators since the former can combine with Cu+ to form Cu2S as a non-protective corrosion product, while the latter has a great tendency to react with Cu2O/Cu and accelerate the general or local dissolution. Their combination has the most detrimental effect. The SCC mechanisms of Cu-Ni alloys are summarized as film rupture theory and dealloying theory. The related SCC mitigation strategies, including using inhibitors, tailoring alloying elements, and removing/reducing the stress are also discussed. In addition, future directions are made at the end of this paper. Full article
(This article belongs to the Special Issue Microstructure and Corrosion Behavior of Metallic Materials)
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