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Coatings
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Physical Vapor Deposition II
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Physical Vapor Deposition II

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

Deadline for manuscript submissions: closed (28 February 2023) | Viewed by 7060

Special Issue Editor

Dr. Klaus Pagh Almtoft

E-Mail Website
Guest Editor
Tribology Centre, Danish Technological Insitute, Kongsvang Allé 29, DK-8000 Aarhus C, Denmark
Interests: sputter deposition; Industrial-scale sputtering; PVD coatings; surface enginering; pulsed DC sputtering; HiPIMS; HPPMS; oxides; nitrides; carbides; DLC; tribology; ion-beam assisted deposition (IBAD); ion implantation; photocatalysis; X-ray diffraction (XRD, XRR, pole figures); electron microscopy (SEM, TEM); Rutherford backscattering; EDX
Special Issues, Collections and Topics in MDPI journals

Special Issue Information

Dear Colleagues,

Physical vapor deposition (PVD) is a vacuum deposition method of producing thin films and coatings. In a PVD process, the source material is changed from the solid phase to the vapor phase and then deposited on a substrate surface by returning to a condensed phase. The most common PVD processes are evaporation and sputtering with the assistance of various techniques. PVD technology is applied in applications that require thin films or coatings for mechanical, physical, chemical, optical, and electronic functions. PVD technology is developing with advances in theory and technique, and providing extensive opportunities for advanced thin films and coatings in an expanding area of applications. This Special Issue of Coatings on “Physical Vapor Deposition” is open to all original research papers and critical reviews on the latest advances in all aspects of PVD.

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

  • PVD physics and modeling;
  • PVD processes, techniques, and equipment;
  • PVD coating characterization;
  • PVD coating properties, behavior, and performance;
  • PVD coating applications.

Dr. Klaus Pagh Almtoft
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 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.

Published Papers (3 papers)

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Research

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13 pages, 7919 KiB  
Article
High-Efficiency of PVD Coating Process by Applying an Additional Rotation
by Ivan Mrkvica, Tomas Szotkowski, Aneta Slaninkova and Tibor Jurga
Coatings 2022, 12(6), 834; https://doi.org/10.3390/coatings12060834 - 15 Jun 2022
Cited by 2 | Viewed by 2005
Abstract
This article analyzes PVD coatings (physical vapor deposition—the coating material is vaporized and deposited by sputtering or arc evaporation, and PVD coatings are applied at lower substrate temperatures and thus can be applied to a wider range of substrates) applied to samples which [...] Read more.
This article analyzes PVD coatings (physical vapor deposition—the coating material is vaporized and deposited by sputtering or arc evaporation, and PVD coatings are applied at lower substrate temperatures and thus can be applied to a wider range of substrates) applied to samples which are located in a fixture. This fixture enables additional rotation of the sample via the coating process. The fixture allows an increase of coated tools in one batch, and therefore an increase of the current capacity of the coating machine. The introductory section of the article describes the process of product design, including its modifications. The experimental section is focused on the functionality checking of the proposed design. The coating process was carried out on a machine named INNOVA. To guarantee the correct coating application during the process, it is necessary to research the coating thickness and the chemical composition of the samples and compare these results with the results of samples which were coated without using a designed fixture. Round bars with a diameter of 10 mm were chosen as test samples. On these samples, a FUTURA monolayer was applied on a TiAlN base. Chemical composition and coating thickness were evaluated using a scanning electron microscope (SEM). Using a fixture with a fourth rotation, the same chemical composition and coating thickness were achieved as those samples which were coated in a process without the use of a fourth rotation. Therefore, it was possible to confirm a capacity increase of the coating machine. Full article
(This article belongs to the Special Issue Physical Vapor Deposition II)
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16 pages, 5470 KiB  
Article
Effects of W Content on Structural and Mechanical Properties of TaWN Films
by Li-Chun Chang, Chin-Han Tzeng and Yung-I Chen
Coatings 2022, 12(5), 700; https://doi.org/10.3390/coatings12050700 - 20 May 2022
Cited by 8 | Viewed by 1523
Abstract
In this study, TaWN films were fabricated through co-sputtering. The effects of W addition on the structural variation and mechanical properties of these films were investigated. TaWN films formed face-centered cubic (fcc) solid solutions. With the increase in the W content, the fcc [...] Read more.
In this study, TaWN films were fabricated through co-sputtering. The effects of W addition on the structural variation and mechanical properties of these films were investigated. TaWN films formed face-centered cubic (fcc) solid solutions. With the increase in the W content, the fcc phase varied from TaN-dominant to W2N-dominant, which was accompanied by a decrease in the lattice constant and alterations in material characteristics, such as the chemical bonding and mechanical properties. The phase change was further correlated with the bonding characteristics of films examined by X-ray photoelectron spectroscopy. The hardness increased from 21.7 GPa for a Ta54N46 film to 23.2–31.9 GPa for TaWN films, whereas the Young’s modulus increased from 277 GPa for the Ta54N46 film to 302–391 GPa for the TaWN films. The enhancement in films’ mechanical properties was attributed to the strengthening of the solid solution and the phase change. The wear behavior of the fabricated TaWN films was evaluated using the pin-on-disk test. The Ta17W55N28 and Ta36W24N40 films exhibited an abrasive wear behavior and low wear rates of 4.9–7.6 × 10−6 mm3/Nm. Full article
(This article belongs to the Special Issue Physical Vapor Deposition II)
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Review

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38 pages, 9222 KiB  
Review
High-Temperature Solid Particle Erosion of Aerospace Components: Its Mitigation Using Advanced Nanostructured Coating Technologies
by Venkataramana Bonu and Harish C. Barshilia
Coatings 2022, 12(12), 1979; https://doi.org/10.3390/coatings12121979 - 16 Dec 2022
Cited by 8 | Viewed by 2370
Abstract
Solid particle erosion of gas turbine blades in the aerospace sector results in increased maintenance costs, high pollution, reduced engine efficiency, etc. Gas turbines in aircraft are usually operated at high temperatures. Based on the compressor stage, the temperature varies from 100–600°C, whereas [...] Read more.
Solid particle erosion of gas turbine blades in the aerospace sector results in increased maintenance costs, high pollution, reduced engine efficiency, etc. Gas turbines in aircraft are usually operated at high temperatures. Based on the compressor stage, the temperature varies from 100–600°C, whereas turbine blades, after combustion, experience a very high temperature between 1000–1400 °C. So, a better understanding of temperature-dependent solid particle erosion is required to develop suitable solid particle erosion-resistant coatings for gas turbine blades. In this review, a detailed overview of the effect of temperature on the solid particle erosion process and different types of erosion-resistant coatings developed over the last four decades for compressor blades are discussed in detail. In the initial sections of the paper, solid particle erosion mechanisms, erosion by different erodent media, and the influence of erosion on gas turbine engines are discussed. Then, the erosion rate trend with increasing temperature for ductile and brittle materials, high-temperature erosion tests in a corrosive environment, and the role of oxidation and bonding nature in high-temperature erosion are examined. In most cases, the erosion rate of materials decreased with increasing temperature. After this, the evolution of erosion-resistant coatings over the last four decades that are first-generation (single-phase coatings), second-generation (metal/ceramic multilayer coatings), and third-generation (nanocomposite and nano-multilayer coatings) erosion-resistant coatings are reviewed in detail. The third-generation nano coatings were found to be superior to the first- and second-generation erosion-resistant coatings. Finally, some of the commercial or notable erosion-resistant coatings developed in the last decade are discussed. The paper concluded with the research gaps that need to be addressed to develop efficient erosion-resistant coatings. Full article
(This article belongs to the Special Issue Physical Vapor Deposition II)
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