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Corrosion Effects and Smart Coatings of Corrosion Protection

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

Deadline for manuscript submissions: closed (28 February 2024) | Viewed by 7962

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Special Issue Editor

Dr. Guosheng Huang

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Guest Editor

State Key Laboratory for Marine Corrosion and Protection, Luoyang Ship Material Research Institute (LSMRI), Qingdao 266237, China
Interests: cold spray; thermal spray; coatings; surface science; cathodic protection; corrosion; self-healing coatings

Special Issue Information

Materials capable of adapting their properties dynamically to an external stimulus are referred to as stimuli responsive or "smart materials." Hence, a smart coating is a coating which detects and responds to changes in its environment in a functional and predictable manner. Many so called smart coatings that do not respond to changes in a dynamic and reversible manner may actually be classified as very high-performance and novel coatings. Smart coatings can be designed and prepared in many ways, such as by incorporating stimuli-responsive materials such as molecules sensitive to light, pH, pressure, temperature, etc.; nano-particles and antimicrobial agents as additives, or by strategically designing polymer structures and coatings that respond to either internal or external stimuli. There may be thousands of systems that could potentially be used to fabricate smart coatings, and it is crucial to find a system that can efficiently respond to stimuli to realize industrial application. Towards this goal, we are assembling a Special Issue on smart coatings to encourage researchers and provide them with a platform to publish their novel studies, in addition to enhancing smart coatings for application in corrosion protection, early detection, dangerous alarming and in situ repair. The theme of this Special Issue broadly includes (but is not limited to) the following kinds of smart coating:

Stimuli responsive;
Antimicrobial;
Antifouling;
Conductive;
Self-healing;
Super hydrophobic systems.

Dr. Guosheng Huang
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

materials characterization
non invasive analysis
studies of coatings and protectives
cold spraying, cathodic protection, corrosion and protection, self healing coatings, microcapsule functions integration.

Published Papers (5 papers)

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Editorial

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5 pages, 195 KiB

Open AccessEditorial

Special Issue: Corrosion Effects and Smart Coatings of Corrosion Protection

by Xiaoshuo Zhao, Dan Jiang, Li Ma, Xian Zeng, Zengying Li and Guosheng Huang

Coatings 2022, 12(10), 1378; https://0-doi-org.brum.beds.ac.uk/10.3390/coatings12101378 - 21 Sep 2022

Cited by 4 | Viewed by 1963

Abstract

Materials that are capable of adapting their properties dynamically to an external stimulus are called stimuli-responsive or “smart materials” [...] Full article

(This article belongs to the Special Issue Corrosion Effects and Smart Coatings of Corrosion Protection)

Research

Jump to: Editorial

17 pages, 15233 KiB

Open AccessArticle

Investigation of Microstructure, Mechanics, and Corrosion Properties of Ti6Al4V Alloy in Different Solutions

by Mohammed M. M. Ghisheer, Ismail Esen, Hayrettin Ahlatci and Bengü Akın

Coatings 2024, 14(3), 277; https://0-doi-org.brum.beds.ac.uk/10.3390/coatings14030277 - 25 Feb 2024

Viewed by 738

Abstract

There is a scarcity of research on the characterization of the behaviour of titanium and its alloys in highly corrosive environments. These materials are highly recommended for use in various industries such as aviation, maritime, medical, and chemical, due to their perceived superior corrosion resistance. This research examines the mechanical and corrosion characteristics of Ti6Al4V material when exposed to solutions containing 9% NaCl, 25% HCl, and a mixture of 9% NaCl and 25% HCl. Prior to the corrosion process, the prefabricated Ti6Al4V samples underwent microstructure analysis, hardness assessment, and wear evaluation. The microstructure characterization revealed that the microstructure of the Ti6Al4V alloy is composed of α and modified β phases. The Ti6Al4V sample’s hardness value was determined to be 334.23 HB. The Ti6Al4V sample’s wear rate was determined to be 0.0033 g/Nm, while the friction coefficient was determined to be 0.0326. Corrosion testing was conducted at intervals of 24, 48, 72, 168, and 336 h. Based on the corrosion rate measurements, the sample exhibited the minimum corrosion rate of 1.928519 mg/(dm²·day) in a 9% NaCl environment. The sample with a combination of 9% NaCl and 25% HCl had the maximum corrosion rate, measured at 6.493048 mg per square decimetre per day. The formation of a larger oxide layer in the Ti6Al4V corrosion sample immersed in a 9% NaCl solution serves as a protective barrier on the surface and enhances its resistance to corrosion. Full article

(This article belongs to the Special Issue Corrosion Effects and Smart Coatings of Corrosion Protection)

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15 pages, 7121 KiB

Open AccessArticle

Research on Nano-Titanium Modified Phenolic Resin Coating and Corrosion Resistance

by Chengwu Zheng, Xingdong Yuan, Xiaojing Li, Xuegang Wang, Fadong Cui and Xiaoliang Wang

Coatings 2023, 13(10), 1703; https://0-doi-org.brum.beds.ac.uk/10.3390/coatings13101703 - 28 Sep 2023

Cited by 1 | Viewed by 920

Abstract

Nano-titanium can be used in the field of anticorrosive coatings due to its excellent corrosion resistance. In this paper, phenolic resin was modified by nano-titanium using a physicochemical method. The nano-titanium-modified phenolic resin was used as a matrix to prepare the anticorrosive coating. The microstructures of the coatings were analyzed by Scanning Electron Microscope (SEM), X-ray spectroscopy (EDS) and Fourier transform infrared spectroscopy (FTIR). Raman and UV spectrum adhesion of the coating was tested by a scratching method. The corrosion behavior was studied by electrochemical workstation and salt spray test. The results showed that the corrosion resistance of pure phenolic resin coating was significantly improved by the nano-titanium-modified phenolic resin. The coating containing 4% titanium nanoparticles exhibited the best corrosion resistance, with the highest impedance and the smallest corrosion current. The coating remained intact after 480 h of salt spray, showing the best salt spray resistance performance. Full article

(This article belongs to the Special Issue Corrosion Effects and Smart Coatings of Corrosion Protection)

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18 pages, 4683 KiB

Open AccessFeature PaperEditor’s ChoiceArticle

Comparison of the Mechanical Properties and Corrosion Resistance of the Cr-CrN, Ti-TiN, Zr-ZrN, and Mo-MoN Coatings

by He Tao, Valery Zhylinski, Alexey Vereschaka, Vadzim Chayeuski, Huo Yuanming, Filipp Milovich, Catherine Sotova, Anton Seleznev and Olga Salychits

Coatings 2023, 13(4), 750; https://0-doi-org.brum.beds.ac.uk/10.3390/coatings13040750 - 8 Apr 2023

Cited by 6 | Viewed by 1840

Abstract

In this work, the mechanical properties and corrosion resistance of Cr-CrN, Ti-TiN, Zr-ZrN, and Mo-MoN coatings deposited by the physical vapor deposition (PVD) method on Ti-6Al-4V alloy were compared. The phase composition of the coatings, their hardness and fracture resistance in scratch tests were determined, and their structural characteristics were also studied using a scanning electron microscope (SEM) and a transmission electron microscope (TEM). The diffraction spectra were made using an automatic X-ray diffractometer. The value of the adhesive component of the friction coefficient f_adh of the pair “coated and uncoated Ti-6Al-4V alloy” was investigated in the temperature range of 20–900 °C. The lowest value of f_adh was detected for the Zr-ZrN coating at temperatures below 400 °C, while for the Mo-MoN coating it was observed at temperatures above 700 °C. The polarization curves of the coated and uncoated samples were performed in a 3% aqueous NaCl solution. The level of corrosion of the Ti-6Al-4V alloy samples with Cr-CrN, Ti-TiN, Zr-ZrN, and Mo-MoN coatings was evaluated using the Tafel extrapolation method, the iteration method, and the polarization resistance method. The results obtained with these methods indicate that the Zr-ZrN coated sample has the best corrosion resistance in the 3 wt.% NaCl solution, with a corrosion current density of 0.123 μA/cm². Full article

(This article belongs to the Special Issue Corrosion Effects and Smart Coatings of Corrosion Protection)

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14 pages, 7989 KiB

Open AccessArticle

The Effect of Complex Emulsifier on the Structure of Tung Oil and Phenolic Amides Containing Microcapsules and Its Anti-Fouling and Anti-Corrosion Performances

by Yingxiang Ma, Dan Jiang, Yuping Yang, Li Ma, Jian Zhou and Guosheng Huang

Coatings 2022, 12(4), 447; https://0-doi-org.brum.beds.ac.uk/10.3390/coatings12040447 - 25 Mar 2022

Cited by 1 | Viewed by 1900

Abstract

In this study, the urea-formaldehyde (UF)-tung oil solution of phenolic amide (PA) microcapsules to realize anti-fouling and anti-corrosion integration was synthesized by the in situ polymerization method. The compounds and structures were optimized by investigating six kinds of different emulsifiers. The results showed that high-core-content and narrow-particle-size-distribution microcapsules could be synthesized with sodium dodecyl benzene sulfonate (SDBS)/polyvinyl alcohol (PVA), and the core content of the microcapsules was 75 wt% at microcapsule sizes from 24.07 to 71.33 µm. The results of self-healing coatings showed that when the content of microcapsules in the coating exceeded 10 wt%, the healing agent released from the scratched surface could cover the naked metal effectively, which could pass a 7 day neutral salt spray test without rust at the scratched area. A sufficient dose anti-fouling agent can be provided to prevent diatoms and mussels from adhering. The present work shows that the complex emulsifier can better control the particle size distribution and microstructure of the microcapsules, and the admixture of the microcapsules into the resin epoxy coating can realize excellent anti-corrosion and anti-fouling functions. Full article

(This article belongs to the Special Issue Corrosion Effects and Smart Coatings of Corrosion Protection)

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