Advanced Tribological Coatings: Fabrication and Application

A special issue of Coatings (ISSN 2079-6412). This special issue belongs to the section "Tribology".

Deadline for manuscript submissions: closed (15 November 2024) | Viewed by 2343

Special Issue Editors


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Guest Editor
Korea Institute of Materials Science, Changwon, Republic of Korea
Interests: hard coating tribology; carbon-based coating; diamond-like carbon
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Guest Editor
Korea Photonics Technology Institute (KOPTI), Gwangju 61007, Republic of Korea
Interests: coating tribology; DLC coating; optical material synthesis

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Guest Editor
Department of Extreme Environmental Coatings, Korea Institute of Materials Science, Changwon 51508, Republic of Korea
Interests: tribochemistry; oxidational wear; superlubricity; carbon-based coating
Special Issues, Collections and Topics in MDPI journals

Special Issue Information

Dear Colleagues,

We would like to invite you to submit your work for our Special Issue “Advanced Tribological Coatings: Fabrication and Application”. Today, the demand for green tribology is increasing to combat global warming and environmental pollution. Tribological coatings provide a way out of emerging energy and environmental problems. This Special Issue includes the application and development of tribological coatings to solve various contact problems such as friction, wear, lubrication, and adhesion in mechanical systems. We invite articles dealing with the surface modification of mechanical systems. These articles cover the manufacture and application of advanced tribological coatings (i.e., diamond-like carbons, hard yet tough ceramics, high-entropy alloys, polymer-based coatings, MXene, TMDC, and so on).

We welcome contributions that expand the manufacturing methods and industrial applications (i.e., automotive, aerospace, manufacturing, machinery, and so on) of these coatings.

The topics of particular interest in this Special Issue include (but are not limited to) the following:

  • Novel fabricating technologies and processes for surface modification and tribological coatings;
  • Structural control of coatings, e.g., nanolayer, nanocomposite, multilayer, and so on;
  • Coating tribology (friction and wear mechanisms of surfaces and interfaces);
  • Application of tribological coatings, including automotive, aerospace, manufacturing, machinery, and so on.

Dr. Young-Jun Jang
Dr. Woo-Young Lee
Dr. Jae-Il Kim
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

  • coating tribology
  • diamond-like carbon (DLC)
  • friction and wear mechanisms
  • solid lubricants
  • protective coatings
  • application of coating
  • coating systems
  • structural control
  • doping

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Published Papers (2 papers)

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Research

17 pages, 7379 KiB  
Article
Cracking Resistance of Selected PVD Hard Coatings
by Peter Panjan, Aleksandar Miletić, Aljaž Drnovšek, Pal Terek, Miha Čekada, Lazar Kovačević and Matjaž Panjan
Coatings 2024, 14(11), 1452; https://doi.org/10.3390/coatings14111452 - 14 Nov 2024
Viewed by 393
Abstract
In this study, we used the depth-sensing indentation technique to determine the cracking resistance of different PVD hard coatings deposited on tool steel substrates. By comparison, with the load–displacement curves, measured at the sites of carbide inclusion and a tempered martensite matrix in [...] Read more.
In this study, we used the depth-sensing indentation technique to determine the cracking resistance of different PVD hard coatings deposited on tool steel substrates. By comparison, with the load–displacement curves, measured at the sites of carbide inclusion and a tempered martensite matrix in the D2 tool steel substrate surface, we observed different fracture mechanisms on TiAlN hard coating prepared by sputtering. Additional information about the deformation and fracture phenomena was obtained from the SEM images of FIB cross-sections of both types of indents. We found that the main deformation mechanism in the coating is the shear sliding along the columnar boundaries, which causes the formation of steps on the substrate surface under individual columns. Using nanoindentation test, we also analyzed the cracking resistance of a set of nl-(Cr,Al)N nanolayer coatings with different Cr/Al atomic ratios, which were sputter deposited in a single batch. From the indentation curves, we determined the loads (Fc) at which the first pop-in appears and compared them with the plasticity index H3/E2. A good correlation of both parameters was found. We also compared the indentation curves of the TiAlN coating, which were prepared by cathodic arc evaporation using 1-fold, 2-fold and 3-fold rotation of the substrates. Additionally, on the same set of samples, the fracture toughness measurements were performed by micro-cantilever deflection test. The impact of growth defects on the cracking resistance of the hard coatings was also confirmed. Full article
(This article belongs to the Special Issue Advanced Tribological Coatings: Fabrication and Application)
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21 pages, 21058 KiB  
Article
Tribocatalytic Reaction Enabled by TiO2 Nanoparticle for MoDTC-Derived Tribofilm Formation at ta-C/Steel Contact
by Daiki Matsukawa, Jae-Hyeok Park, Woo-Young Lee, Takayuki Tokoroyama, Jae-Il Kim, Ryoichi Ichino and Noritsugu Umehara
Coatings 2024, 14(6), 773; https://doi.org/10.3390/coatings14060773 - 19 Jun 2024
Viewed by 1381
Abstract
Tribochemically produced triboproducts are becoming increasingly important in tribosystems and serve to improve system performance by preventing friction or wear. Diamond-like carbon (DLC) is chemically stable, which features a trade-off with tribological pros and cons. Chemically stable DLC is thermally stable and suppresses [...] Read more.
Tribochemically produced triboproducts are becoming increasingly important in tribosystems and serve to improve system performance by preventing friction or wear. Diamond-like carbon (DLC) is chemically stable, which features a trade-off with tribological pros and cons. Chemically stable DLC is thermally stable and suppresses surface damage in a high-temperature operating environment; however, it causes a detrimental effect that hinders the formation of a competent tribofilm. In this study, we dispersed highly reactive TiO2 nanoparticles (TDONPs) in molybdenum dithiocarbamate (MoDTC)-containing lubricant for adhering triboproducts on the DLC surface. In addition, TDONPs contributed to the decomposition of triboproducts by promoting the decomposition of MoDTC through its catalytic role. Rutile TDONPs were more helpful in reducing friction than anatase TDONPs and improved the friction performance by up to ~100%. Full article
(This article belongs to the Special Issue Advanced Tribological Coatings: Fabrication and Application)
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