Special Issue "Functional Ceramic Coatings"

A special issue of Coatings (ISSN 2079-6412).

Deadline for manuscript submissions: 29 February 2020.

Special Issue Editors

Guest Editor
Dr. Bozena Pietrzyk E-Mail
Institute of Materials Science and Technology, Lodz University of Technology, Stefanowskiego 1/15, 90-924 Lodz, Poland
Interests: materials science; surface engineering; coatings; ceramics; biomaterials; composite coatings; photocatalytic coatings; nanomaterials; protective coatings; deposition methods; sol-gel
Guest Editor
Dr. Sebastian Miszczak E-Mail
Institute of Materials Science and Technology, Lodz University of Technology, Stefanowskiego 1/15, 90-924 Lodz, Poland
Interests: thin films; coatings; sol-gel; ceramics; materials engineering; materials characterization

Special Issue Information

Dear Colleagues,

The properties of materials result, not only from structure and physico-chemical characteristics, but also from the properties of their surfaces. One of the ways of modifying material surface properties is by using deposition of coatings. Coatings can significantly change functionalities and applications of substrate materials.

Ceramics are an important group of coating materials with a wide range of controllable properties, such as electrical conductivity, photocatalytic and catalytic behavior, hardness, biocompatibility, surface energy, corrosion resistance, etc. Ceramic coatings contribute to the development of useful functionalities of materials, which are key factors for the advancement of science and technology. 

Understanding of the relationship between the structure and the properties of ceramic coatings and thin films is essential for further development of new applications of materials. An adjustment in structure and morphology of a coating or thin film, in order to modify its properties, can be used to add new functionalities and improved behavior of materials and devices.

The scope of the Special Issue “Functional Ceramic Coatings” is the presentation of innovative methods in fabrication, characterization and properties of ceramic coatings and thin films with an emphasis on influence of structure and morphology on their properties and potential applications.

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

- New deposition processes including: liquid-based deposition, magnetron sputtering, PVD, CVD and their derivatives (such as PECVD, ALD, PLD, etc.), as well as hybrid methods.

- Ceramic coatings and thin films for functional application such as optical, electrical, tribological, catalytical/photocatalytical, magnetic, antibacterial, biomedical, protective, etc.

- Characterization methods to determine the properties of ceramic coatings and thin films

- New trends in ceramic coatings and films

Dr. Bozena Pietrzyk
Dr. Sebastian Miszczak
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 papers will be 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 1600 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.

Published Papers (6 papers)

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Research

Open AccessFeature PaperArticle
Ti(C, N) as Barrier Coatings
Coatings 2019, 9(7), 432; https://doi.org/10.3390/coatings9070432 - 08 Jul 2019
Abstract
Metals and their alloys are materials that have long been used in stomatological prosthetics and orthodontics. The side effects of their application include reactions of the body such as allergies. Their source can be corrosion products as well as metal ions released in [...] Read more.
Metals and their alloys are materials that have long been used in stomatological prosthetics and orthodontics. The side effects of their application include reactions of the body such as allergies. Their source can be corrosion products as well as metal ions released in the corrosion process, which penetrate the surrounding tissue. In order to prevent the harming effect of metal alloys, intensive research has been performed to purify metal prosthetic restorations by way of modifying their surface. The study presents the investigation results of Ti(C, N)-type coatings applied to alloy Ni–Cr by means of the magnetronic method. Five coatings differing in the nitrogen and carbon content were investigated. The studies included the determination of the coatings’ chemical composition, construction, as well as the amount of ions released into the environment: distilled water, 0.9% NaCl and artificial saliva. The performed investigations showed that, in reference to an alloy without a coating, each coating constitutes a barrier reducing the amount of ions transferred into the examined solutions. So, Ti(C, N)-type coatings can be considered for biomedical applications as protective coatings of non-precious metal alloys. Full article
(This article belongs to the Special Issue Functional Ceramic Coatings)
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Open AccessArticle
Antibacterial Properties of Zn Doped Hydrophobic SiO2 Coatings Produced by Sol-Gel Method
Coatings 2019, 9(6), 362; https://doi.org/10.3390/coatings9060362 - 01 Jun 2019
Abstract
Bacteria existing on the surfaces of various materials can be both a source of infection and an obstacle to the proper functioning of structures. Increased resistance to colonization by microorganisms can be obtained by applying antibacterial coatings. This paper describes the influence of [...] Read more.
Bacteria existing on the surfaces of various materials can be both a source of infection and an obstacle to the proper functioning of structures. Increased resistance to colonization by microorganisms can be obtained by applying antibacterial coatings. This paper describes the influence of surface wettability and amount of antibacterial additive (Zn) on bacteria settlement on modified SiO2-based coatings. The coatings were made by sol-gel method. The sols were prepared on the basis of tetraethoxysilane (TEOS), modified with methyltrimethoxysilane (MTMS), hexamethyldisilazane (HMDS) and the addition of zinc nitrate or zinc acetate. Roughness and surface wettability tests, as well as study of the chemical structure of the coatings were carried out. The antibacterial properties of the coatings were checked by examining their susceptibility to colonization by Escherichia coli. It was found that the addition of zinc compound reduced the susceptibility to colonization by E. coli, while in the studied range, roughness and hydrophobicity did not affect the level of bacteria adhesion to the coatings. Full article
(This article belongs to the Special Issue Functional Ceramic Coatings)
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Open AccessArticle
Characterization of Sol-Gel Derived Calcium Hydroxyapatite Coatings Fabricated on Patterned Rough Stainless Steel Surface
Coatings 2019, 9(5), 334; https://doi.org/10.3390/coatings9050334 - 24 May 2019
Abstract
Sol-gel derived calcium hydroxyapatite (Ca10(PO4)6(OH)2; CHA) thin films were deposited on stainless steel substrates with transverse and longitudinal patterned roughness employing a spin-coating technique. Each layer in the preparation of CHA multilayers was separately annealed [...] Read more.
Sol-gel derived calcium hydroxyapatite (Ca10(PO4)6(OH)2; CHA) thin films were deposited on stainless steel substrates with transverse and longitudinal patterned roughness employing a spin-coating technique. Each layer in the preparation of CHA multilayers was separately annealed at 850 °C in air. Fabricated CHA coatings were placed in simulated body fluid (SBF) for 2, 3, and 4 weeks and investigated after withdrawal. For the evaluation of obtained and treated with SBF coatings, diffuse reflectance infrared Fourier transform spectroscopy (DRIFTS), X-ray diffraction (XRD) analysis, Raman spectroscopy, XPS spectroscopy, scanning electron microscopy (SEM) analysis, and contact angle measurements were used. The tribological properties of the CHA coatings were also investigated in this study. Full article
(This article belongs to the Special Issue Functional Ceramic Coatings)
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Open AccessArticle
Influence of Silicon-Modified Al Powders (SiO2@Al) on Anti-oxidation Performance of Al2O3-SiO2 Ceramic Coating for Carbon Steel at High Temperature
Coatings 2019, 9(3), 167; https://doi.org/10.3390/coatings9030167 - 04 Mar 2019
Abstract
In this paper, silicon-modified Al powders (SiO2@Al) were prepared by tetraethyl orthosilicate (TEOS) hydrolysis under alkaline conditions. Using SiO2@Al as additives, a new Al2O3-SiO2 ceramic coating (ASMA) was formed on carbon steel to prevent [...] Read more.
In this paper, silicon-modified Al powders (SiO2@Al) were prepared by tetraethyl orthosilicate (TEOS) hydrolysis under alkaline conditions. Using SiO2@Al as additives, a new Al2O3-SiO2 ceramic coating (ASMA) was formed on carbon steel to prevent carbon steel from oxidization at 1250 °C for 120 min. Compared with the Al2O3-SiO2 ceramic coating without additive (AS), ASMA showed a remarkably better anti-oxidation performance, especially during the temperature-rise period. According to the characterization conducted by TG-DTA, XRD and SEM-EDS, it was found that the metallic Al in ASMA melted at 660 °C and reacted with SiO2 on its surface, which generated local high temperature and accelerated the sintering of ceramic raw materials. The mullite and hercynite formed in ASMA also played a major role for enhancing the anti-oxidation performance of ceramic coating. Full article
(This article belongs to the Special Issue Functional Ceramic Coatings)
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Open AccessArticle
Physicochemical and Biological Activity Analysis of Low-Density Polyethylene Substrate Modified by Multi-Layer Coatings Based on DLC Structures, Obtained Using RF CVD Method
Coatings 2018, 8(4), 135; https://doi.org/10.3390/coatings8040135 - 10 Apr 2018
Cited by 3
Abstract
In this paper, the surface properties and selected mechanical and biological properties of various multi-layer systems based on diamond-like carbon structure deposited on low-density polyethylene (LDPE) substrate were studied. Plasma etching and layers deposition (incl. DLC, N-DLC, Si-DLC) were carried out using the [...] Read more.
In this paper, the surface properties and selected mechanical and biological properties of various multi-layer systems based on diamond-like carbon structure deposited on low-density polyethylene (LDPE) substrate were studied. Plasma etching and layers deposition (incl. DLC, N-DLC, Si-DLC) were carried out using the RF CVD (radio frequency chemical vapor deposition) method. In particular, polyethylene with deposited N-DLC and DLC layers in one process was characterized by a surface hardness ca. seven times (up to ca. 2.3 GPa) higher than the unmodified substrate. Additionally, its surface roughness was determined to be almost two times higher than the respective plasma-untreated polymer. It is noteworthy that plasma-modified LDPE showed no significant cytotoxicity in vitro. Thus, based on the current research results, it is concluded that a multilayer system (based on DLC coatings) obtained using plasma treatment of the LDPE surface can be proposed as a prospective solution for improving mechanical properties while maintaining biocompatibility. Full article
(This article belongs to the Special Issue Functional Ceramic Coatings)
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Open AccessArticle
Deposition of Photocatalytic TiO2 Coating by Modifying the Solidification Pathway in Plasma Spraying
Coatings 2017, 7(10), 169; https://doi.org/10.3390/coatings7100169 - 13 Oct 2017
Cited by 3
Abstract
The deposition of photocatalytic TiO2 coatings with plasma spraying is attractive for large-scale applications due to its low cost and simplicity, but it is still a challenge to obtain a TiO2 coating with high anatase content. The solidification pathway of inflight [...] Read more.
The deposition of photocatalytic TiO2 coatings with plasma spraying is attractive for large-scale applications due to its low cost and simplicity, but it is still a challenge to obtain a TiO2 coating with high anatase content. The solidification pathway of inflight melted particles was investigated in the present paper, and TiO2 coatings with enhanced photocatalytic activity were obtained without a significant loss of the microhardness. The coating microstructure, phase composition, and crystallite size were investigated by scanning electron microscopy (SEM) and X-ray diffraction (XRD). Photocatalytic performance was evaluated by decomposing an aqueous solution of methylene blue. Results showed that the anatase content in TiO2 coating was augmented to 19.9% from 4%, and the time constant of the activity was increased to 0.0046 h−1 from 0.0017 h−1. Full article
(This article belongs to the Special Issue Functional Ceramic Coatings)
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