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Coatings
Special Issues
Selected Papers from the K-TRIB2020
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Selected Papers from the K-TRIB2020

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

Deadline for manuscript submissions: closed (20 December 2020) | Viewed by 6274

Special Issue Editors

Prof. Dr. Dae Eun Kim

E-Mail Website
Guest Editor
School of Mechanical Engineering, Yonsei University, Seoul 03722, Republic of Korea
Interests: low friction and wear coatings; nanotribology; functional coatings
Special Issues, Collections and Topics in MDPI journals
Prof. Dr. In-Ha Sung

E-Mail Website
Guest Editor
Department of Mechanical Engineering, Hannam University, Daejeon 34430, Korea
Interests: micro/nano-tribology; solid lubricants; surface modification

Special Issue Information

Dear Colleagues,

The importance of tribology has been increasingly emphasized over the years as we face critical technical and social issues related to energy and the environment. In this regard, tribology will continue to play a vital role in the development of novel technologies to maximize the efficiency as well as performance of machines and devices. In this Special Issue of Coatings, selected papers from the 2nd Korea-Tribology International Symposium (K-TRIB2020) will be published. The aim of K-TRIB 2020 is to provide a platform for scientists and engineers from all over the world to share the latest information on a wide range of topics relevant to tribology. The topics will include all topics related to coatings as well as other major themes of tribology.

Prof. Dr. Dae-Eun Kim
Prof. Dr. In-Ha Sung
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

  • Wear-resistant coatings
  • Low-friction coatings
  • Solid lubricants
  • Coating fabrication process
  • Coating characterization

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Published Papers (2 papers)

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Research

16 pages, 6657 KiB  
Article
Molecular Dynamics Simulation on the Interaction between Palygorskite Coating and Linear Chain Alkane Base Lubricant
by Jin Zhang, Lv Yang, Yue Wang, Huaichao Wu, Jiabin Cai and Shusheng Xu
Coatings 2021, 11(3), 286; https://doi.org/10.3390/coatings11030286 - 1 Mar 2021
Cited by 7 | Viewed by 3102
Abstract
Molecular dynamics (MD) simulations were conducted to investigate the interactions between a palygorskite coating and linear chain alkanes (dodecane C12, tetradecane C14, hexadecane C16, and octadecane C18), representing base oils in this study. The simulation [...] Read more.
Molecular dynamics (MD) simulations were conducted to investigate the interactions between a palygorskite coating and linear chain alkanes (dodecane C12, tetradecane C14, hexadecane C16, and octadecane C18), representing base oils in this study. The simulation models were built by placing the alkane molecules on the surface of the palygorskite coating. These systems were annealed and geometrically optimized to obtain the corresponding stable configurations, followed by the analysis of the structural changes occurring during the MD process. The interfacial interaction energies, mean square displacements, and self-diffusion coefficients of the systems were evaluated to characterize the interactions between base lubricant molecules and palygorskite coating. It was found that the alkanes exhibited self-arrangement ability after equilibrium. The interfacial interaction was attractive, and the electrostatic energy was the main component of the binding energy. The chain length of the linear alkanes had a significant impact on the intensity of the interfacial interactions and the molecular diffusion behavior. Moreover, the C12 molecule exhibited higher self-diffusion coefficient values than C14, C16 and C18. Therefore, it could be the best candidate to form an orderliness and stable lubricant film on the surface of the palygorskite coating. The present work provides new insight into the optimization of the structure and composition of coatings and lubricants, which will guide the experimental development of these systems for practical applications. Full article
(This article belongs to the Special Issue Selected Papers from the K-TRIB2020)
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12 pages, 5783 KiB  
Article
Effect of Plating Current Density on the Ball-On-Disc Wear of Sn-Plated Ni Coatings on Cu Foils
by Ashutosh Sharma and Byungmin Ahn
Coatings 2021, 11(1), 56; https://doi.org/10.3390/coatings11010056 - 6 Jan 2021
Cited by 4 | Viewed by 2523
Abstract
Metallic and alloyed coatings are used widely in several decorative and technology-based applications. In this work, we selected Sn coatings plated on Cu substrates for joining applications. We employed two different plating baths for the fabrication of Sn and Ni coatings: acidic stannous [...] Read more.
Metallic and alloyed coatings are used widely in several decorative and technology-based applications. In this work, we selected Sn coatings plated on Cu substrates for joining applications. We employed two different plating baths for the fabrication of Sn and Ni coatings: acidic stannous sulfate for Sn and Watts bath for Ni layer. The plating current densities were varied from 100–500 mA/cm2. Further, the wear and friction behavior of the coatings were studied using a ball-on-disc apparatus under dry sliding conditions. The impact of current density was studied on the morphology, wear, and coefficient of friction (COF) of the resultant coatings. The wear experiments were done at various loads from 2–10 N. The sliding distance was fixed to 7 m. The wear loss was quantified in terms of the volume of the track geometry (width and depth of the tracks). The results indicate that current density has an important role in tailoring the composition and morphology of coatings, which affects the wear properties. At higher loads (8–10 N), Sn coatings on Ni/Cu had higher volume loss with a stable COF due to a mixed adhesive and oxidative type of wear mechanism. Full article
(This article belongs to the Special Issue Selected Papers from the K-TRIB2020)
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