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Special Issue "Recent Developments on Functional Coatings for Industrial Applications, Volume II"

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A special issue of Coatings (ISSN 2079-6412). This special issue belongs to the section "Surface Characterization, Deposition and Modification".

Deadline for manuscript submissions: 20 June 2024 | Viewed by 3395

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Special Issue Editors

Dr. Luigi Calabrese

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Department of Engineering, University of Messina, Contrada Di Dio (Sant'Agata), 98166 Messina, Italy
Interests: functional materials; advanced composite materials; coatings; materials corrosion and durability
Special Issues, Collections and Topics in MDPI journals

Prof. Dr. Edoardo Proverbio

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Guest Editor

Department of Engineering, University of Messina, Contrada di Dio, 98166 Messina, Italy
Interests: corrosion; concrete; acoustic emission; materials science
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Special Issue Information

Dear Colleagues,

This Special Issue of Coatings, titled “Recent Developments on Functional Coatings for Industrial Applications”, aims to assess the recent research progress on functional coatings for industrial applications, attained by researchers and specialists worldwide. The purpose is to address the recent developments in functional coatings design, synthesis, and characterization, highlighting emerging industrial applications in many industrial fields (medical, smart textile design, renewable energy, oil and gas, electronic, automotive industries, etc.).

In this context, particular emphasis will be given to research developments in order to improve applications and the market extension of functional coatings and films.

This Special Issue will consist of original research and review articles. It will offer readers the newest research and development work on industrially relevant functional coatings.

The topics of interest include, but are not limited to:

Superhydrophobic surfaces and films;
Self-healing coatings for corrosion protection;
Biomedical and biocompatible coatings;
Conductive polymer films;
Functional coatings for renewable energy applications;
Nanostructured and topographic functional coatings.

Dr. Luigi Calabrese
Prof. Dr. Edoardo Proverbio
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.

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Recent Developments on Functional Coatings for Industrial Applications in Coatings (9 articles)

Published Papers (6 papers)

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Editorial

Jump to: Research

3 pages, 190 KiB

Open AccessEditorial

Special Issue “Recent Developments on Functional Coatings for Industrial Applications, Volume II”

Luigi Calabrese

and

Edoardo Proverbio

Coatings 2023, 13(3), 593; https://doi.org/10.3390/coatings13030593 - 10 Mar 2023

Viewed by 623

Abstract

“Recent Developments on Functional Coatings for Industrial Applications, Volume II” addresses the provision of further insights into new and emerging research assets concerning the design, manufacturing, characterization and optimization of functional coatings for industrial applications. The aim of this Issue is to further contribute to the improvement of knowledge on functional coatings synthesis, characterization and tailoring, emphasizing its emerging industrial applicability in several industrial fields. The multidisciplinary nature of the theme represents a further stimulus aimed at enhancing the applicative importance and the technological versatility of the engineering design of functional surfaces. A multidisciplinary approach will act as a further stimulus in encouraging researchers to exploit suitably the applicative relevance and adaptability of functional coating and surface engineering design and tailoring. Full article

(This article belongs to the Special Issue Recent Developments on Functional Coatings for Industrial Applications, Volume II)

Research

Jump to: Editorial

9 pages, 6642 KiB

Open AccessArticle

Properties of Superhydrophobic and Acid–Alkali-Resistant Polyester Fabric Produced Using Plasma Processing

and

Coatings 2023, 13(12), 2007; https://doi.org/10.3390/coatings13122007 - 26 Nov 2023

Viewed by 393

Abstract

During the processes of production, storage, transportation and use of hazardous chemicals, acid–alkali corrosive liquid spatter and leakage would cause serious casualties. In order to protect the lives and health of staff, the surface of fabrics should be treated to obtain hydrophobicity and acid–alkali resistance. In this paper, polyester fabric was used as the base cloth, and polydimethylsiloxane (PDMS) and polytetrafluoroethylene (PTFE) micro-powder were used as the functional materials to fabricate waterproof and breathable fabric with good acid–alkali resistance using a method of plasma pretreatment-impregnation- and plasma-induced crosslinking. The effects of PDMS, PTFE powder and plasma-induced crosslinking on the surface and physical and chemical properties of fabric were investigated. It was found that the use of PDMS and PTFE powder had little effect on the mechanical and wearing comfort properties. However, it could significantly improve the acid–alkali resistance, as the liquid repellent rate of the treated fabric surface was higher than 80%, and the penetration index was lower than 2%. Full article

(This article belongs to the Special Issue Recent Developments on Functional Coatings for Industrial Applications, Volume II)

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17 pages, 9247 KiB

Open AccessArticle

Wear Evolution on PVD Coated Cutting Tool Flank and Rake Explained Considering Stress, Strain and Strain-Rate Dependent Material Properties

Antonios Bouzakis

Georgios Skordaris

Emmanouil Bouzakis

Konstantinos-Dionysios Bouzakis

and

Dimitrios Tsakalidis

Coatings 2023, 13(12), 1982; https://doi.org/10.3390/coatings13121982 - 22 Nov 2023

Viewed by 319

Abstract

Impact loads developed on a tool cutting edge when milling into a workpiece material are prevailing metrics for explaining coating fatigue failure and the subsequent tool-wear evolution. For predicting related stress and strain fields in the compound coating-substrate, stress, strain, and strain-rate, dependent material properties are required. The attainment of such data is briefly described in the paper. Considering these data, the occurring strains in the cutting edge at various entry impact durations, i.e., strain rates, were calculated and compared with fatigue-critical strains. In this way, the wear phenomena causing the coating failure on the flank and rake during milling were clarified. The attained results were also correlated to corresponding ones in turning, where the dynamic loads of the cutting edge are comparably negligible. The conducted investigations showed that the fatigue-critical strains strongly diminish, when the relevant strain rates increase; thus, leading to a remarkable tool-life reduction. This happens, because the increase of the strain-rate restricts the time for the dislocations movements; thus, regions with stress concentrations occur, deteriorating the material ductility, increasing its brittleness, and diminishing the fatigue critical strains. In cutting operations, where the coating fatigue is the main wear factor, the tool-life can be predicted considering these phenomena. In the paper, relevant experimental analytical procedures are introduced. Full article

(This article belongs to the Special Issue Recent Developments on Functional Coatings for Industrial Applications, Volume II)

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20 pages, 6379 KiB

Open AccessArticle

Effects and Consequences of an Alkali-Induced Cathodic Environment on Coating Aging

and

Coatings 2023, 13(11), 1949; https://doi.org/10.3390/coatings13111949 - 15 Nov 2023

Viewed by 487

Abstract

The use of organic coatings in conjunction with cathodic protection (CP) for buried structures is the usual method for protecting steel against corrosion. When the organic coating loses its protective ability, regardless of the reason, the CP becomes the active protection, leading to a specific local environment. This environment can be characterized by high alkalinity, which can be detrimental for the coated structure, either by weakening the steel–coating interface or by the chemical aging of the coating. Thus, the coating must be compatible with CP and able to sustain aging under an alkaline environment. In this study, the susceptibility to alkaline aging and its consequences in regards to coating performance have been investigated for two commercial coatings used for buried structures—fusion bonded epoxy (FBE) and liquid epoxy (LE)—in free membrane and coated steel configurations. The results showed a clear impact of alkaline aging on the studied LE, leading to a significant reduction in coating resistance and ultimately, failure of the steel–coating interface, whereas the studied FBE remained stable. The presented results relate to a precise formulation of LE and FBE; however, the proposed chemical method appears to be relevant and shows the necessity of considering such specific aging results for coating specifications and improvements. Full article

(This article belongs to the Special Issue Recent Developments on Functional Coatings for Industrial Applications, Volume II)

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16 pages, 5150 KiB

Open AccessArticle

Fabrication and Characterization of TiO₂ Coatings on 304 Stainless-Steel Substrate for Efficient Oil/Water Separation

and

Coatings 2023, 13(11), 1920; https://doi.org/10.3390/coatings13111920 - 09 Nov 2023

Viewed by 559

Abstract

Oil spill accidents have been a prevalent threat to the environment. To aid in clean-up efforts, a stainless-steel filter with a hydrophilic and oleophobic coating was fabricated for efficient and affordable oil/water separation. Two solutions were used to deposit the coatings. One was sourced from a titanium (IV) isopropoxide (TTIP) precursor dissolved into 1-butanol and the other through the mixing of titanium dioxide nanopowder with glacial acetic acid. The solutions were applied to 304 stainless-steel mesh filters of varying aperture sizes ranging from 30 microns to 240 microns. The coating was applied through a multiphase deposition method followed by sintering at 450 °C. The filter performance was evaluated by contact angle measurement and a filtration test using a mixture of motor oil and water, while the surface morphology and structure of the coatings were characterized by SEM-EDS and XRD. The mesh with smaller aperture size showed oil retention improvement of up to 99%. The TiO₂ nanopowder coating, with a 92% oil retention efficiency, outperformed the coating via the TTIP precursor. Full article

(This article belongs to the Special Issue Recent Developments on Functional Coatings for Industrial Applications, Volume II)

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13 pages, 3639 KiB

Open AccessArticle

Simulation Evaluation of a Novel Ice-Melting Sprinkling Technique for Blade

Gang Lei

Guohao Li

and

Fang Feng

Coatings 2023, 13(10), 1752; https://doi.org/10.3390/coatings13101752 - 10 Oct 2023

Viewed by 515

Abstract

The blades of some airborne equipment are prone to icing under supercooled cloud conditions. In this paper, we propose an anti-deicing spray method to prevent blades from icing at low temperatures. Using computational fluid dynamics modeling and orthogonal experimental methods, we investigated the effects of the blade angle of attack, inlet wind speed, and nozzle mass flow rate on the thickness and coverage of the liquid layer of spray material and examined the use of deflectors in this study. We found the magnitude and change rule of the influence of the previously mentioned parameters on the liquid film thickness and coverage of sprayed material to be the nozzle mass flow rate is greater than the blade angle of attack and greater than the inlet wind speed. Under the optimal combination of conditions of α = 30°, u₀ = 6 m/s, and Q = 0.003 kg/s, the liquid film thickness was maximized, and the liquid film thickness was 0.037 mm; under the optimal combination of conditions of α = 60°, u₀ = 6 m/s, and Q = 0.003 kg/s, the liquid film coverage was maximized, and the liquid film coverage was 99.81%. The anti-deicer spraying method proposed herein for use on blades is effective when considered from a number of perspectives. It provides an innovative and feasible solution to the wind turbine blade freezing problem. However, the method must be explored and modified to maximize its chances of general application, and other factors must also be considered to fully optimize the sprinkler de-icing technique to improve the performance and reliability of blades. Full article

(This article belongs to the Special Issue Recent Developments on Functional Coatings for Industrial Applications, Volume II)

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