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Antibacterial and Corrosion-Resistant Coatings for Marine Application

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

Deadline for manuscript submissions: 20 July 2025 | Viewed by 1715

Special Issue Editors


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Guest Editor
Institute of Metal Research, Chinese Academy of Sciences, Shenyang 110016, China
Interests: antibacterial metals; microbiologically influenced corrosion; biofouling; antibiofouling metal-based coating

Special Issue Information

Dear Colleagues,

Corrosion-resistant coatings are widely used in various fields such as construction, transportation, energy, and marine engineering. In particular, marine engineering equipment accounts for a significant proportion of corrosion-resistant coating usage, typically comprising 30% to 40% of the total application. This underscores the importance of corrosion-resistant coatings in marine engineering. As research has progressed, it has been found that marine engineering equipment faces not only corrosion challenges but also microbiologically influenced corrosion and biofouling risks. These issues are mainly caused by marine organisms, with biofilm formed by bacteria being a critical link in the corrosion chain.

Therefore, the current trend is to develop corrosion-resistant coatings that also possess long-lasting and effective antibacterial properties. This Special Issue focuses on coating technology that enhance the antibacterial and corrosion-resistant performance of marine engineering equipment, covering various types of coatings such as organic matrix coatings, metal-based coatings, hydrogel coatings, nanostructured surface coatings, etc. One approach is to incorporate bactericidal substances into the coatings to impart antibacterial properties. Another research area involves creating low-surface-energy surfaces by nanostructuring the surface or adding fluorinated and silicified surfactants to polymers to inhibit bacterial adhesion. Additionally, low-surface-energy coatings containing biocides have gained widespread attention for improving the antibacterial and antifouling performance of traditional corrosion-resistant coatings, which is crucial for practical applications.

We cordially invite you to submit manuscripts related to the topics of this Special Issue. Original research articles, reviews, and communications are welcome. We hope this Special Issue will promote research and technological advancements in the field of antibacterial and corrosion-resistant coatings, addressing practical protection issues for marine engineering equipment.

Dr. Jinlong Zhao
Dr. Hongwei Liu
Guest Editors

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Keywords

  • antibacterial coating
  • synergistic effect
  • fouling
  • biofilm
  • durability
  • corrosion-resistant coating
  • antifouling coating
  • environmental friendliness
  • low surface energy
  • microbiologically influenced corrosion

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Published Papers (2 papers)

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Research

15 pages, 4770 KiB  
Article
Exploring Construction of Biomedical Ti6Al4V-Ti5Cu Composite Alloy with Interpenetrating Structure: Microstructure and Corrosion Resistance
by Yuan Zhou, Qing Zhao, Ruchen Hong, Dongyi Mai, Yanjin Lu and Jinxin Lin
Materials 2025, 18(3), 491; https://doi.org/10.3390/ma18030491 - 22 Jan 2025
Viewed by 578
Abstract
Cu-bearing titanium alloys exhibit promising antibacterial properties for clinical use. A novel Ti6Al4V-Ti5Cu composite alloy is developed using powder bed fusion (selective laser sintering, SLM) and spark plasma sintering (SPS). SLM produces a triple periodic minimal surface (TPMS) lattice structure from Ti6Al4V, which [...] Read more.
Cu-bearing titanium alloys exhibit promising antibacterial properties for clinical use. A novel Ti6Al4V-Ti5Cu composite alloy is developed using powder bed fusion (selective laser sintering, SLM) and spark plasma sintering (SPS). SLM produces a triple periodic minimal surface (TPMS) lattice structure from Ti6Al4V, which is then filled with Ti-5Cu powders and sintered using SPS. Microstructural analysis confirms a well-bonded interface between Ti6Al4V and Ti-5Cu could be achieved through SLM-SPS technology. The composite primarily showcases laths α phase, with Ti2Cu precipitates in the Ti-5Cu region. Electrochemical assessments reveal superior corrosion resistance in the Ti6Al4V-Ti5Cu composite compared to SLM-Ti6Al4V and SPS-Ti-5Cu. The antibacterial rate of the TPMS structure exceeds 90%, and that of TCCU-90 reaches as high as 99%, manifesting robust antibacterial activity. These findings suggest a strategy for creating biomimetic alloys that seamlessly combine structure and multifunctionality within biomedical materials. Full article
(This article belongs to the Special Issue Antibacterial and Corrosion-Resistant Coatings for Marine Application)
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16 pages, 10619 KiB  
Article
The Role of the Bactericidal Mechanism of Copper Elements and Its Effect on the Corrosion Resistance of Steel
by Yunsheng Xue, Cheng Ding, Li Gong, Yingxue Teng, Jing Guo and Shanshan Chen
Materials 2024, 17(23), 5921; https://doi.org/10.3390/ma17235921 - 3 Dec 2024
Cited by 2 | Viewed by 813
Abstract
In this paper, two kinds of copper-containing steels with copper contents of 2.31 and 6.01 wt.% were designed. By comparing with commercial Q355, the bactericidal properties of copper in seawater containing sulfate-reducing bacteria (SRB) and its influence on the corrosion process of steel [...] Read more.
In this paper, two kinds of copper-containing steels with copper contents of 2.31 and 6.01 wt.% were designed. By comparing with commercial Q355, the bactericidal properties of copper in seawater containing sulfate-reducing bacteria (SRB) and its influence on the corrosion process of steel were revealed. The corrosion rate, morphology of products, and bactericidal action of copper were tracked by scanning electron microscopy, X-ray diffraction, confocal microscopy, and electrochemical analysis techniques. It was found that the resistance of copper-containing steel to bacterial corrosion was obviously better than that of non-copper-containing steel. At 28 days, the weight loss rates in the SRB environment for 0Ni2Cu6 samples increased by merely 5.43%, which was nearly half that of Q355 of 9.75%. Cu-containing steels exhibited potent antibacterial action, with the ε-Cu phase altering the corrosion byproduct composition from brittle flakes to robust particles and inhibiting the production of H2S. The killed bacteria adhered to the surface of the steel and slowed down the corrosion of the steel. The confocal laser scanning microscope and electrochemical experiments showed that a dense CuFeO4 film formed on the substrate, impeding corrosive ion penetration, and an upsurge in Cu content markedly enhanced the material’s anti-corrosion and antimicrobial attributes. Full article
(This article belongs to the Special Issue Antibacterial and Corrosion-Resistant Coatings for Marine Application)
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