Special Issue "Deposition and Applications of Protective Films and Coatings"

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

Deadline for manuscript submissions: 1 July 2023 | Viewed by 1248

Special Issue Editor

Dr. Maksim Prozhega
E-Mail Website
Guest Editor
Department of Friction, Wear and Lubrication, Mechanical Engineering Research Institute of the Russian Academy of Sciences, M. Kharitonyevskiy Pereulok, 4, Moscow 101990, Russia
Interests: tribology; coating; wear; friction; surface engineering; detonation spraying; HVOF; electrical sumergible pump; PEEK coatings; hard alloy coatings; thin films; MoS2 coating
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Special Issue Information

Dear Colleagues,

Coatings remain one of the most effective ways to protect surfaces from external influences. Coatings of various compositions are effectively used to protect surfaces from corrosion, wear, and cavitation. Application technologies are constantly being improved. However, the development of new types of technology and equipment (high-speed transport, electric vehicle, thermonuclear fusion units, equipment for the high-viscosity oil lift, etc.) poses new challenges for technologists, experimenters, and theorists. The development of new types of coatings entails the development of new technologies, test methods, equipment for quality control of coatings, and materials for application. We invite you to participate in the formation of this Special Issue entitled Deposition and Applications of Protective Films and Coatings to discuss topics related to the application and development of new types of coatings.

This Special Issue of the journal will bring together articles on relevant topics, including:

-Technologies for applying highly hard wear-resistant coatings based on hard alloys, ceramics, and other materials (HVOF, DS, Plasma) to protect against abrasive wear.

-Research and deposition of thin coatings for metalworking tools.

-Research and development of anti-friction, self-lubricating coatings (MoS2, MoSe2 et al.) for extreme conditions.

-Development and research of metal–polymer coatings based on PEEK, PTFE, etc.

-Coatings for the oil and gas industry to protect equipment from wear and corrosion.

-Technology of atomic-layer spraying. Research on coating properties and development of spraying technologies.

-Research in the field of contact interaction calculations, taking into account the properties of boundary layers.

-Research on DLC coatings for various applications.

-Development of coatings to protect equipment from corrosion–erosion wear.

Dr. Maksim Prozhega
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 2200 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

  • protective coatings
  • DLC
  • hard alloy coatings
  • protective abrasive coatings
  • protective corrosion coatings

Published Papers (2 papers)

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Research

Article
Effects of Reaction Parameters on the Geometry and Crystallinity of Hydrothermally Synthesized ZnO Nanorods for Bio-Fouling Applications
Coatings 2023, 13(1), 200; https://doi.org/10.3390/coatings13010200 - 16 Jan 2023
Viewed by 405
Abstract
In this present work, we have successfully synthesized vertical aligned ZnO nanorod arrays (ZnO NRs) on conductive stainless-steel substrate. These ZnO NRs were obtained by using a low temperature, low cost, and eco-friendly hydrothermal approach. The effect of the sol-gel deposited ZnO seed [...] Read more.
In this present work, we have successfully synthesized vertical aligned ZnO nanorod arrays (ZnO NRs) on conductive stainless-steel substrate. These ZnO NRs were obtained by using a low temperature, low cost, and eco-friendly hydrothermal approach. The effect of the sol-gel deposited ZnO seed layer on the vertical alignment ZnO NRs has been thoroughly studied. Characterizations of the seed layer and the as-obtained nanorods were investigated using scanning electron microscopy (SEM), X-ray diffraction (XRD), atomic force microscopy (AFM), high-resolution transmission electron microscopy (HR-TEM), and water contact angles (WCA) measurement. SEM analysis shows that these nanorods were grown with a high uniformity and density over the entire substrate. TEM and XRD studies confirmed the hexagonal wurtzite structure of ZnO nanorods. Finally, field immersion tests using the optimized samples were conducted in a coastal sea environment to study biofouling settlement. To the best of our knowledge, there are few articles that investigate the influence of the seed layer deposited on stainless steel on the formation of vertically aligned nanorods for antifouling applications. The novelty of this work is manifested by optimizing the ZnO seed layer to obtain either thick or fine ZnO nanorods (NRs). Moreover, another novelty of this study is the use of the hydrothermal deposition of ZnO NRs on stainless steel for biofouling to replace paints in marine applications. Full article
(This article belongs to the Special Issue Deposition and Applications of Protective Films and Coatings)
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Article
Study on Key Parameters for Jet Impacting Pulverized Coal Deposited in Coal-Bed Methane Wells
Coatings 2022, 12(10), 1454; https://doi.org/10.3390/coatings12101454 - 01 Oct 2022
Viewed by 541
Abstract
Cleaning out the pulverized coal deposited at the bottom of a coalbed methane (CBM) well is key to achieving continuous CBM drainage and prolonging the workover period. In this study, Fluent is used in conjunction with the standard k-ε model and the Eulerian-Eulerian [...] Read more.
Cleaning out the pulverized coal deposited at the bottom of a coalbed methane (CBM) well is key to achieving continuous CBM drainage and prolonging the workover period. In this study, Fluent is used in conjunction with the standard k-ε model and the Eulerian-Eulerian model to simulate and analyse jet erosion of deposited pulverized coal particles. The depth and width of the stable erosion pit that is formed by jet-impacting deposited pulverized coal under different conditions are determined and provide a theoretical basis for the cleanout of pulverized coal in the bottom of a CBM well. In this paper, the three parameters of the jet target distance, nozzle diameter and nozzle outlet flow velocity are selected to perform an orthogonal simulation. The change trends in the depth and width of the scouring pit with time are determined. The results show that jet impacting of deposited pulverized coal can be categorised into four stages, periods of rapid growth, stability, jet swing and dynamic stability. A sensitivity analysis shows that the nozzle outlet flow velocity has the strongest influence on the depth of the scouring pit among the selected parameters. The depth of the jet impact pit can reach the maximum depth at t = 3 s, while the width of the impact pit can reach the maximum after t = 7 s. This can provide key design parameters for CBM well pulverized coal impacting operation. It is of great significance for capacity damage control during CBM well workover operation. Full article
(This article belongs to the Special Issue Deposition and Applications of Protective Films and Coatings)
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