Selected Papers from the K-TRIB2020

A special issue of Lubricants (ISSN 2075-4442).

Deadline for manuscript submissions: closed (20 December 2020) | Viewed by 4076

Special Issue Editors


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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

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Guest Editor
Department of Mechanical System Engineering, Dongguk University-Gyeongju, Gyeongju 38066, Korea
Interests: lubricants; machine condition monitoring; hydrophobic surface

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 Lubricants, selected papers from the 2nd Korea-Tribology International Symposium (K-TRIB2020) will be published. Contributions can be articles describing original research, methods, hypothesis and theory, opinions, and more traditional reviews. A 20% discount on the Article Processing Charges is available for all the attendees of K-TRIB2020. 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 lubricants as well as other major themes of tribology.

Prof. Dr. Dae Eun Kim
Prof. Dr. Sung-Ho Hong
Guest Editors

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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

  • Fluid film lubrication
  • Lubricants
  • Additives
  • Grease

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Published Papers (1 paper)

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Research

19 pages, 3611 KiB  
Article
Employment of Micro- and Nano-WS2 Structures to Enhance the Tribological Properties of Copper Matrix Composites
by Marco Freschi, Matteo Di Virgilio, Gabriele Zanardi, Marco Mariani, Nora Lecis and Giovanni Dotelli
Lubricants 2021, 9(5), 53; https://doi.org/10.3390/lubricants9050053 - 7 May 2021
Cited by 12 | Viewed by 3254
Abstract
Friction and wear are responsible for around 23% of the energy consumption in transportation, manufacturing, power generation, and residential sectors. Employed components are exposed to a wide range of operational conditions, therefore a suitable material design is fundamental to decreasing tribological issues, energy [...] Read more.
Friction and wear are responsible for around 23% of the energy consumption in transportation, manufacturing, power generation, and residential sectors. Employed components are exposed to a wide range of operational conditions, therefore a suitable material design is fundamental to decreasing tribological issues, energy consumption, costs, and environmental impact. This study aims to analyze the effect of different solid lubricants on the suitability of copper matrix composites (CuMCs) as a potential solution to reduce the depletion of sliding electrical contacts working under extreme conditions. CuMCs samples are produced by cold-pressing and sintering to merge a high electrical conductivity with the lubricant effect supplied by different species, namely tungsten disulfide micro-powder (WS2), inorganic fullerene-like (IF) tungsten disulfide nanoparticles, and graphene nanoplatelets (GNP). The crystalline structure of the pristine and composite materials is characterized via XRD. The electrical tests show a small decrease of conductivity compared to pure copper, due to the insulating effect of WS2; however, the measured values are still adequate for conduction purposes. Micro-scratch and wear tests highlight the positive effect of the combination of WS2 structures and GNP. The friction coefficient reduction leads to the possibility of extending the lifetime of the components. Full article
(This article belongs to the Special Issue Selected Papers from the K-TRIB2020)
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