Ceramic Materials and Coatings: From Materials to Applications

A special issue of Coatings (ISSN 2079-6412). This special issue belongs to the section "Ceramic Coatings and Engineering Technology".

Deadline for manuscript submissions: closed (30 December 2023) | Viewed by 8400

Special Issue Editors


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Guest Editor
Centre for Functional and Surface Functionalised Glass, Alexander Dubcek University of Trencin, 91150 Trencin, Slovakia
Interests: ceramic composites; advanced ceramic materials; organic preceramic precursors; aluminate glasses
Special Issues, Collections and Topics in MDPI journals

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Guest Editor
Department of Coating Processes, Centre for Functional and Surface Functionalized Glass, Alexander Dubček University of Trenčín, Študentská 2, 911 50 Trenčín, Slovakia
Interests: thin films; coatings; plasma processing; tribology; biomaterials; thermal barrier coatings; corrosion; PVD coatings; PECVD
Special Issues, Collections and Topics in MDPI journals

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Guest Editor
Department of Coating Processes, Centre for Functional and Surface Functionalized Glass, Alexander Dubček University of Trenčín, Študentská 2, 911 50 Trenčín, Slovakia
Interests: thin films; coatings; ceramics; thermal barrier coatings; coatings on bioimplants; corrosion; diffusion barrier coatings; geopolymer coatings; PVD coatings; PECVD
Special Issues, Collections and Topics in MDPI journals

Special Issue Information

Dear Colleagues,

As we know, advanced ceramics have a specific microstructure and offer a series of outstanding properties (high hardness, high strength, etc.) and are widely used in fields such as aerospace, energy, electronics, machinery, biomedicine, and so on. Oxides and non-oxide ceramic coatings can retain bulk material properties, while the surface functionality is precisely engineered; this can significantly improve the surface properties of metals, including corrosion resistance, thermal barrier properties, wear resistance, self-cleaning and anti-fouling behavior, and biocompatibility. Several techniques (PVD, CVD, thermal spray, electrophoresis, sol–gel, etc.) have been adopted to fabricate a wide range of ceramic coatings with desirable properties. The study of the structure of the ceramics and understanding its relationship with ceramic coating properties are key for the further development of new applications of materials. The fabrication process, chemical composition, and thickness of the ceramic coating or thin film are critical factors which can influence the properties of the ceramics. This Special Issue will cover recent advances in ceramic materials synthesis, characterization, properties, and their applications as thin films and coatings.

Please join with us to provide readers with a summary in the field of ceramic materials and coatings through contributing to this Special Issue on “Ceramic Materials and Coatings: From Materials to Applications”. We invite scientists and academics all over the world to submit original research papers and review articles on the recent developments and applications of ceramic materials and coatings. Research on cermet-based coatings is also welcome.

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

  • The use of ceramic materials and coatings for wear, erosion, corrosion, high-temperature, optical, magnetic, energy, antibacterial, and biomedical applications.
  • Fabrication of ceramic coatings and thin films, including PVD, CVD, thermal spray, sol–gel, as well as hybrid methods.
  • Characterization of thin film ceramic coatings and their applications.

Prof. Dr. Dušan Galusek
Dr. Omid Sharifahmadian
Dr. A. M. Kamalan Kirubaharan
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.

Keywords

  • ceramic coatings
  • thermal barrier coatings
  • wear resistance
  • ceramic thin films
  • fabrication of coatings
  • bioceramics
  • surface modification

Published Papers (5 papers)

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Research

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18 pages, 16099 KiB  
Article
Isothermal Oxidation and Thermal Shock Resistance of Thick and Porous LaMgAl11O19 Abradable Topcoat
by Jingqi Huang, Wenbo Chen, Xiangrong Lu, Mingyi Xu, Gui Li, Longhui Deng, Jianing Jiang, Shujuan Dong, Li Liu, Meizhu Chen and Xueqiang Cao
Coatings 2024, 14(4), 426; https://doi.org/10.3390/coatings14040426 - 1 Apr 2024
Viewed by 585
Abstract
An exploration of the plasma-sprayed abradable sealing coatings (ASCs) of a thick and porous LaMgAl11O19 topcoat onto SiC/SiC ceramic matrix composites (CMCs) is detailed in this study. Interlayers comprising Si/Si + Yb2Si2O7/Yb2SiO [...] Read more.
An exploration of the plasma-sprayed abradable sealing coatings (ASCs) of a thick and porous LaMgAl11O19 topcoat onto SiC/SiC ceramic matrix composites (CMCs) is detailed in this study. Interlayers comprising Si/Si + Yb2Si2O7/Yb2SiO5 environmental barrier coatings (EBCs) were strategically employed, considering their function in protecting the SiC/SiC CMCs from recession and mitigating thermal expansivity misfit. An isothermal oxidation test was conducted at 1300 °C and resulted in the formation of bubble and glassy melt on the side surface of the coated sample, while a significant reaction layer emerged at the Yb2SiO5/LaMgAl11O19 interface near the edge. The localized temperature rise caused by the exothermic oxidation of the SiC/SiC substrate was determined to be the underlying factor for bubble generation. The temperature-dependent viscosity of the melt contributed to various bubble characteristics, and due to the enrichment of Al ions, the glassy melt exacerbated the degradation of the Yb2SiO5 layer. After a thermal shock test at 1300 °C, the substrate on the uncoated backside of the sample experienced fracture, while the front coating remained intact. However, due to the presence of a through-coating crack, an internal crack network also developed within the substrate. Full article
(This article belongs to the Special Issue Ceramic Materials and Coatings: From Materials to Applications)
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18 pages, 29160 KiB  
Article
Properties and Performance of TiAlSiN and AlCrN Monolayer and Multilayer Coatings for Turning Ti-6Al-4V
by Jie Liu, Yongchao Wang, Guiqian Liu, Junfang Hua and Xin Deng
Coatings 2023, 13(7), 1229; https://doi.org/10.3390/coatings13071229 - 10 Jul 2023
Cited by 2 | Viewed by 1528
Abstract
The high chemical activity, low thermal conductivity, and high strength of titanium alloys lead to severe tool wear during cutting. The coating applied to the tool surface insulates the effect of heat and chemical reactions. TiAlSiN coating and AlCrN coating are two representative [...] Read more.
The high chemical activity, low thermal conductivity, and high strength of titanium alloys lead to severe tool wear during cutting. The coating applied to the tool surface insulates the effect of heat and chemical reactions. TiAlSiN coating and AlCrN coating are two representative coatings with excellent properties in TiN-based and CrN-based applications, respectively. Three types of nanocoatings—TiAlSiN monolayer, AlCrN monolayer, and TiAlSiN/AlCrN multilayer—were prepared, and the microstructure, mechanical properties, oxidation resistance, diffusion properties with titanium alloy, and cutting performance of the coatings were investigated utilizing SEM, TEM, XRD, TGA, GD-OES, nanoindentation, and scratching instruments. The hardness, elastic modulus, and adhesion strength of TiAlSiN/AlCrN multilayer coatings are between TiAlSiN monolayer and AlCrN monolayer coatings, which meet the “law of mixtures”. Adhesion strength is the primary condition for cutting applications and should have a minimum threshold value. Ti and N elements are the most significant in the diffusion between coatings and titanium alloys. The nitride coating containing Cr aggravates the loss of N in contact with the titanium alloy. In addition, multilayer structural coatings can lead to more severe diffusion than monolayer coatings due to their inherent interlayer defects. Although diffusion between titanium alloys and coated tools is more severe than with other workpiece materials, the main factor affecting tool cutting life is still the H3/E*2 value determined by the hardness and modulus of elasticity together. Full article
(This article belongs to the Special Issue Ceramic Materials and Coatings: From Materials to Applications)
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10 pages, 4019 KiB  
Article
The Effect of Opto-Electronic Transition Type on the Electric Resistivity of Cr-Doped Co3O4 Thin Films
by A. M. Faramawy, Hamada Elsayed, Mohamed Sabry and H. M. El-Sayed
Coatings 2023, 13(2), 328; https://doi.org/10.3390/coatings13020328 - 1 Feb 2023
Cited by 2 | Viewed by 1157
Abstract
Cr-doped Co3O4 thin films were prepared by spray pyrolysis on soda-lima glass. The structure and morphology of the prepared samples were characterized by grazing incidence X-ray diffraction (GIXRD), Fourier-transform infrared spectroscopy (FTIR) and Scanning electron Microscopy (SEM). The results indicated [...] Read more.
Cr-doped Co3O4 thin films were prepared by spray pyrolysis on soda-lima glass. The structure and morphology of the prepared samples were characterized by grazing incidence X-ray diffraction (GIXRD), Fourier-transform infrared spectroscopy (FTIR) and Scanning electron Microscopy (SEM). The results indicated the formation of a single cubic spinel phase with a crystallite size of about 6 nm. Different electronic transitions and estimations of the band gap structure were determined from the optical absorption spectra. The dependence of electrical resistivity on Cr content was investigated. It was found that the resistivity increased by increasing the Cr content. In addition, the effect of photon excitation on the electrical properties showed that the electrical resistivity decreased under visible illumination (λvis. = 532 nm) and increased under infrared illumination (λIR = 780 nm). The relative change in resistivity (sensitivity) under both light illuminations was enhanced by increasing the Cr content. Therefore, this work introduces a new application for Co3O4 material as a light detector. Full article
(This article belongs to the Special Issue Ceramic Materials and Coatings: From Materials to Applications)
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9 pages, 2371 KiB  
Article
Study of the Photocatalytic Properties of Ni-Doped Nanotubular Titanium Oxide
by Fedor Zykov, Igor Selyanin, Roman Shishkin, Vadim Kartashov, Konstantin Borodianskiy and Yuliy Yuferov
Coatings 2023, 13(1), 144; https://doi.org/10.3390/coatings13010144 - 11 Jan 2023
Cited by 2 | Viewed by 1600
Abstract
Nanotubular titanium oxide is widely known as a prospective semiconductor photocatalyst for the process of water splitting. Its photoelectrochemical (PEC) efficiency can be improved by doping with 3d metal. In this work, the synthesis of nanotubular titanium oxide (NTO) was carried out by [...] Read more.
Nanotubular titanium oxide is widely known as a prospective semiconductor photocatalyst for the process of water splitting. Its photoelectrochemical (PEC) efficiency can be improved by doping with 3d metal. In this work, the synthesis of nanotubular titanium oxide (NTO) was carried out by anodizing titanium substrates using two doping techniques. First, Ni-doped TiO2 was obtained by immersion in Ni salt solution; second, an ethylene glycol-based fluoride electrolyte containing Ni2+ ions solution was used. The obtained samples were analyzed using SEM, XRD, and photoelectrochemical methods. The produced Ni-doped NTO exhibited photocatalytic activity twice as high as that of nondoped NTO. Additionally, it was found that the immersion technique initiated a shift of the incident photon to converted electron (IPCE) spectra to the visible part of the spectrum. Full article
(This article belongs to the Special Issue Ceramic Materials and Coatings: From Materials to Applications)
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Review

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44 pages, 8281 KiB  
Review
Distinctive Features and Fabrication Routes of Metallic-Glass Systems Designed for Different Engineering Applications: A Review
by Akib Jabed, M. Nabil Bhuiyan, Waseem Haider and Ishraq Shabib
Coatings 2023, 13(10), 1689; https://doi.org/10.3390/coatings13101689 - 26 Sep 2023
Cited by 3 | Viewed by 1878
Abstract
Materials with a disordered atomic structure, often termed glassy materials, are the focus of extensive research due to the possibility of achieving remarkable mechanical, electrochemical, and magnetic properties compared to crystalline materials. The glassy materials are observed to have an improved elastic modulus [...] Read more.
Materials with a disordered atomic structure, often termed glassy materials, are the focus of extensive research due to the possibility of achieving remarkable mechanical, electrochemical, and magnetic properties compared to crystalline materials. The glassy materials are observed to have an improved elastic modulus combined with a higher strength and hardness. Moreover, better corrosion resistance in different mediums is also observed for glassy solids, which is difficult to attain using conventional crystalline materials. As a result, the potential applications of metallic-glass systems are continually increasing. Amorphous materials are usually divided into two categories based upon their size. Materials with a thickness and diameter larger than the millimeter (mm) scale are termed as bulk metallic glass (BMG). However, the brittle nature of the bulk-sized samples restricts the size of metallic-glass systems to the micron (µm) or nanometer (nm) range. Metallic glasses with a specimen size in the scale of either µm or nm are defined as thin-film metallic glass (TFMG). In this review, BMGs and TFMGs are termed as metallic glass or MG. A large number of multi-component MGs and their compositional libraries reported by different research groups are summarized in this review. The formation of a multicomponent metallic glass depends on the constituent elements and the fabrication methods. To date, different unique fabrication routes have been adopted to fabricate BMG and TFMGs systems. An overview of the formation principles and fabrication methods as well as advantages and limitations of conventional MG fabrication techniques is also presented. Furthermore, an in-depth analysis of MG inherent properties, such as glass forming ability, and structural, mechanical, thermal, magnetic, and electrochemical properties, and a survey of their potential applications are also described. Full article
(This article belongs to the Special Issue Ceramic Materials and Coatings: From Materials to Applications)
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