Special Issue "Functional Coatings, Volume 1"

A special issue of Applied Sciences (ISSN 2076-3417). This special issue belongs to the section "Surface Sciences and Technology".

Deadline for manuscript submissions: 31 January 2023 | Viewed by 1752

Special Issue Editor

Dr. Shiladitya Paul
E-Mail Website
Guest Editor
1. TWI, Granta Park, Cambridge, CB21 6AL, UK
2. Department of Engineering, University of Leicester, Leicester LE1 7RH, UK
Interests: corrosion; coatings; electrochemistry; thermal spraying
Special Issues, Collections and Topics in MDPI journals

Special Issue Information

Dear Colleagues,

Coatings often allow process equipment to be purposeful in environments well beyond the operational limit of uncoated components. In addition to protection, some coatings also provide additional functions, such as sensors. Durability, ease of application, repairability, reliability, and long-term performance of such coatings are vital to their application. The overall cost-effectiveness of these functional coatings is key to their industrial uptake. Therefore, this Special Issue of Applied Sciences, “Functional Coatings” is devoted to research and review articles on the metallic, non-metallic, and composite coatings used in various environments.

In particular, the topics of interest include but are not limited to:

  • Coatings for temperature-sensing applications;
  • Photoactive coatings;
  • Self-healing coatings;
  • Corrosion-, wear-, and cavitation-resistant coatings;
  • Coatings for aeroengine turbines, such as thermal barrier coatings;
  • Coatings for thermal management;
  • High-entropy alloy coatings.

Dr. Shiladitya Paul
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. Applied Sciences is an international peer-reviewed open access semimonthly 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 2300 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
  • coatings
  • electrochemistry
  • thermal spraying

Published Papers (2 papers)

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Research

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Article
Microstructural Properties and Wear Resistance of Fe-Cr-Co-Ni-Mo-Based High Entropy Alloy Coatings Deposited with Different Coating Techniques
Appl. Sci. 2022, 12(6), 3156; https://doi.org/10.3390/app12063156 - 19 Mar 2022
Viewed by 1006
Abstract
Materials can be subjected to severe wear and corrosion due to high temperature, high pressure and mechanical loads when used in components for the production of geothermal power. In an effort to increase the lifetime of these components and thus decrease cost due [...] Read more.
Materials can be subjected to severe wear and corrosion due to high temperature, high pressure and mechanical loads when used in components for the production of geothermal power. In an effort to increase the lifetime of these components and thus decrease cost due to maintenance High-Entropy Alloy Coatings (HEACs) were developed with different coating techniques for anti-wear properties. The microstructure, mechanical and tribological properties of CoCrFeNiMox (at% x = 20, 27) HEACs deposited by three different technologies—high-velocity oxygen fuel (HVOF), laser cladding (LC) and electro-spark deposition (ESD)—are presented in this study. The relationship between surface morphology and microstructural properties of the as-deposited coatings and their friction and wear behavior is assessed to evaluate their candidacy as coatings for the geothermal environment. The wear rates were lower for the HVOF coatings compared to LC and ESD-produced coatings. Similarly, a higher hardness (445 ± 51 HV) was observed for the HVOF HEACs. The mixed FCC, BCC structure and the extent of σ + µ nano precipitates are considered responsible for the increased hardness and improved tribological performance of the HEACs. The findings from the study are valuable for the development of wear-resistant HEAC for geothermal energy industry applications where high wear is encountered. Full article
(This article belongs to the Special Issue Functional Coatings, Volume 1)
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Review

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Review
Inspection of Coated Hydrogen Transportation Pipelines
Appl. Sci. 2022, 12(19), 9503; https://doi.org/10.3390/app12199503 - 22 Sep 2022
Viewed by 312
Abstract
The growing need for hydrogen indicates that there is likely to be a demand for transporting hydrogen. Hydrogen pipelines are an economical option, but the issue of hydrogen damage to pipeline steels needs to be studied and investigated. So far, limited research has [...] Read more.
The growing need for hydrogen indicates that there is likely to be a demand for transporting hydrogen. Hydrogen pipelines are an economical option, but the issue of hydrogen damage to pipeline steels needs to be studied and investigated. So far, limited research has been dedicated to determining how the choice of inspection method for pipeline integrity management changes depending on the presence of a coating. Thus, this review aims to evaluate the effectiveness of inspection methods specifically for detecting the defects formed uniquely in coated hydrogen pipelines. The discussion will begin with a background of hydrogen pipelines and the common defects seen in these pipelines. This will also include topics such as blended hydrogen-natural gas pipelines. After which, the focus will shift to pipeline integrity management methods and the effectiveness of current inspection methods in the context of standards such as ASME B31.12 and BS 7910. The discussion will conclude with a summary of newly available inspection methods and future research directions. Full article
(This article belongs to the Special Issue Functional Coatings, Volume 1)
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