Thin Films and Coatings for Anti-corrosion Application

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

Deadline for manuscript submissions: closed (1 February 2023) | Viewed by 3745

Special Issue Editors

School of Materials Science and Engineering, Xi’an Jiaotong University, Xi’an 710049, China
Interests: hydrophobic film/coating; surface/interface feature; corrosion protection; tribological mechanism
Special Issues, Collections and Topics in MDPI journals
School of Materials Science and Engineering, Xi'an Jiaotong University, Xi'an 710049, China
Interests: Mg alloys; micro-arc oxidation; corrosion mechanism of Mg alloys; mechanical properties of Mg alloys

Special Issue Information

Dear Colleagues,
 
The corrosion of materials leads to serious economic losses, catastrophic consequences, waste of resources and environmental pollution. Corrosion-protective coatings such as superhydrophobic surfaces, and those obtained by electroless plating, spray coating, micro-arc oxidation, anodic oxidation, magnetron sputtering, etc., are beneficial for improving the service life and stability of materials. To guarantee these thin films can be effectively utilized in various corrosive environments, their structure, formation mechanism and corrosion behavior need to be clarified. Additionally, their long service stability will be beneficial for evaluating applicability.    

The present Special Issue focuses on the innovative advancement of insights concerning the preparation, characterization, and corrosion-protection mechanisms of thin films and their ability to solve corrosion problems in practical engineering. The preparation methods can be either improvements of traditional preparation approaches or unique processes. Papers should provide a comprehensive investigation of process parameter optimization, surface and interface characterization, formation mechanism, and corrosion resistance, with emphasis on acquiring improved corrosion resistance performance for practical applications. Their correlation should be summarized to provide empirical reference and a basis for future research.

Topics of interest include but are not limited to:

  • Coatings including superhydrophobic surfaces, and those obtained by electroless plating, spray coating, micro-arc oxidation, anodic oxidation, magnetron sputtering, etc.
  • The degradation mechanisms of coatings under friction, wear, corrosion and dynamic complex environments.
  • Estimation of the life span of coatings through reasonable test methods.
  • Developing multi-functional and self-healing coatings suitable for complex and changeable environment. 
  • Establishing the correlation among synthesis parameters, morphology, and properties of thin films.
  • Innovative research concerning improved preparation methods based on existing coatings to realize cost saving, environment friendliness, performance optimization, etc.

Dr. Hejie Yang
Dr. Wei Fu
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. 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
  • degradation mechanism
  • multi-functional coatings
  • life span of coatings
  • correlation

Published Papers (2 papers)

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Research

17 pages, 6000 KiB  
Article
Corrosion Behaviour of an Epoxy Resin Reinforced with Aluminium Nanoparticles
by Marina Samardžija, Vesna Alar, Vedrana Špada and Ivan Stojanović
Coatings 2022, 12(10), 1500; https://doi.org/10.3390/coatings12101500 - 08 Oct 2022
Cited by 10 | Viewed by 1768
Abstract
During exploitation, the properties of the epoxy coating deteriorate and therefore, it is necessary to modify it with metal particles. In this paper, spherical aluminium nanoparticles (Al NP) of 100 nm with 99.9% purity were used to modify the epoxy coating for the [...] Read more.
During exploitation, the properties of the epoxy coating deteriorate and therefore, it is necessary to modify it with metal particles. In this paper, spherical aluminium nanoparticles (Al NP) of 100 nm with 99.9% purity were used to modify the epoxy coating for the better corrosion protection of grey cast iron. Pure Al has a high corrosion resistance and can form a thin protective film that prevents its further oxidation, thus, becoming inert and environmentally friendly. To examine these facts, different concentrations (0.5, 0.75, 1.0, 3.0, and 6.0 wt.%) of Al nanoparticles were dispersed in the epoxy coating. The surface of the modified nanocomposite coating was analysed using scanning electron microscopy (SEM) and energy dispersive spectrometry (EDS). Furthermore, the physical properties such as colour, thickness, hardness, and adhesion to the cast iron surface were tested as well. The same properties were tested by exposing the sample plates to corrosive conditions in the climate chamber. Their anticorrosion properties were investigated using electrochemical impedance spectroscopy (EIS) by their immersion in 3.5 wt.% NaCl solution as a corrosive medium. The coating with 0.75% Al NP showed the best corrosion resistance after 10 days of exposure in salt water, while the sample with 1.0% Al NP showed the best corrosion resistance after exposure to the icing/deicing process. Full article
(This article belongs to the Special Issue Thin Films and Coatings for Anti-corrosion Application)
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15 pages, 4085 KiB  
Article
Improvement of the Mechanical Properties and Corrosion Resistance of CSS-42L Steel with a Novel TiAlMoNbW Nitrid Film Deposition
by Lin Yuan, Fangfang Wang, Haojie Chen, Ming Gao and Hu Zhang
Coatings 2022, 12(8), 1048; https://doi.org/10.3390/coatings12081048 - 25 Jul 2022
Cited by 4 | Viewed by 1483
Abstract
In this work, a novel TiAlMoNbW high-entropy alloy (HEA) film and its corresponding nitrid (HEN) film were deposited on CSS-42L bearing steel by magnetron sputtering technology. The microstructure, microhardness, wear resistance, and corrosion resistance of the coated CSS-42L steel were systematically investigated. With [...] Read more.
In this work, a novel TiAlMoNbW high-entropy alloy (HEA) film and its corresponding nitrid (HEN) film were deposited on CSS-42L bearing steel by magnetron sputtering technology. The microstructure, microhardness, wear resistance, and corrosion resistance of the coated CSS-42L steel were systematically investigated. With the introduction of nitrogen, the crystal structure of TiAlMoNbW HEA film transformed from BCC into FCC. The microstructure of the deposited film became denser and was accompanied by lower surface roughness. The hardness of the nitride film was further increased from 11.43 to 25.7 GPa due to the formation of saturated metal nitride phases and the solid-solution strengthening of various elements. The tribological results showed that both TiAlMoNbW HEA and HEN films with excellent mechanical properties could improve the wear resistance of CSS-42L substrate, especially for the nitrid film, the mechanical properties of the film are significantly improved, resulting in a substantial reduction in the friction coefficient of about 22% and the wear rate of nearly 79%. In the electrochemical tests, both the TiAlMoNbW HEA and HEN-coated samples exhibited lower current densities and corrosion rates in 3.5 wt.% NaCl and 1 mol/L H2SO4 solutions. It was also noticed that the TiAlMoNbW nitrid film possessed a superior corrosion protection effect for CSS-42L steel. Full article
(This article belongs to the Special Issue Thin Films and Coatings for Anti-corrosion Application)
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