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Coatings
Special Issues
Tribological Behavior and Mechanical Performance of Coatings and Materials
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Tribological Behavior and Mechanical Performance of Coatings and Materials

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

Deadline for manuscript submissions: 20 November 2024 | Viewed by 1864

Special Issue Editors

Dr. Huimin Qi

E-Mail Website
Guest Editor
Key Laboratory of Testing Technology for Manufacturing Process, Ministry of Education, Southwest University of Science and Technology, Mianyang 621010, China
Interests: tribology; polymer coating; polymer self-lubricated materials; anti-deicing; surface engineering
Dr. Song Li

E-Mail Website
Guest Editor
The Key Laboratory of Science and Technology on Wear and Protection of Materials, Lanzhou Institute of Chemical Physics, Chinese Academy of Sciences, Lanzhou, China
Interests: polymer; shape memory polyurethane; friction; wear
Dr. Chunjian Duan

E-Mail Website
Guest Editor
The National & Local Joint Engineering Research Center for Applied Technology of Hybrid Nanomaterials, Henan University, Henan University Jinming Campus, Kaifeng, China
Interests: synthesis of different nanoparticles; various structures and property of polyamide-imide ploy; polymer composite coating design; friction and wear; mechanism of lubrication

Special Issue Information

Dear Colleagues,

It is our pleasure to invite you to submit a manuscript to the forthcoming Special Issue “Tribological Behavior and Mechanical Performance of Coatings and Materials” in Coatings (Open Access Materials Science Journal; Impact Factor 3.236).

Employing coatings is one of the most effective methods to reduce friction and protect contacting surfaces from wear. However, the tribological behavior and mechanical performance of the coatings play an important role in its long service life. Generally, the substrate, the structure and composition of the coating, the surface morphologies and the working conditions significantly affect the tribological performance of the coatings. Therefore, various coatings can be manufactured using different techniques, and they have been applied on various substrates in previous studies, resulting in different characteristics.

This Special Issue focuses on the friction performance, wear resistance (e.g., abrasion, erosion, fretting, etc.), corrosion and oxidation resistance, and mechanical performance of the coatings and materials.

Should you need any further information about this Special Issue, please do not hesitate to contact us.

Dr. Huimin Qi
Dr. Song Li
Dr. Chunjian Duan
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

  • tribology
  • polymer coating
  • ceramic coating
  • metallic coating
  • self-lubricated materials

Published Papers (2 papers)

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Research

19 pages, 11778 KiB  
Article
Wear Reduction on the Roller–Shoe Mechanism at High Operation Loads
by Constantin Răzvan Iordache, Carmen Bujoreanu, Stelian Alaci, Florina-Carmen Ciornei and Ionut-Cristian Romanu
Coatings 2024, 14(3), 316; https://doi.org/10.3390/coatings14030316 - 06 Mar 2024
Viewed by 581
Abstract
The roller–shoe mechanism is a classic mechanical assembly with an essential role in motion transmission. Common rail high-pressure pumps are an example of a complex assembly that uses such a mechanism to transform the rotation motion into a translation one. The rolling element [...] Read more.
The roller–shoe mechanism is a classic mechanical assembly with an essential role in motion transmission. Common rail high-pressure pumps are an example of a complex assembly that uses such a mechanism to transform the rotation motion into a translation one. The rolling element of the mechanism is represented by a cylindrical roller. Although it can carry heavy loads due to its design, a proper surface profile could significantly increase the life of the entire mechanism. A better solution can be achieved using a logarithmic profile. The shoe is the second base element of the mechanism. It is a part with an inner cylindrical surface and it is separated from the roller by a thin lubricant film. Considering this, increasing the hardness of the roller–shoe contact surface can be obtained using a suitable coating. The positive results of this coating are highlighted using endurance tests to which high-pressure pumps are subjected. Therefore, the roller profile and the shoe coating represent two directions for improving the contact between the mechanism transmission elements, in terms of wear reduction. The purpose of this paper is to identify a suitable roller profile and to highlight its impact on the shoe coating. Full article
(This article belongs to the Special Issue Tribological Behavior and Mechanical Performance of Coatings and Materials)
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12 pages, 14333 KiB  
Article
Effects of Graphene Oxide on Tribological Properties of Micro-Arc Oxidation Coatings on Ti-6Al-4V
by Qingyuan Hu, Xingming Li, Gai Zhao, Yuling Ruan, Guoqing Wang and Qingjun Ding
Coatings 2023, 13(11), 1967; https://doi.org/10.3390/coatings13111967 - 19 Nov 2023
Cited by 1 | Viewed by 770
Abstract
This paper investigates the effect of graphene oxide (GO) particles on the friction reduction and wear resistance of coatings on a Ti-6Al-4V alloy generated using the micro-arc oxidation (MAO) technique. Different concentrations of GO were added in aluminate–phosphate electrolyte. The composition of the [...] Read more.
This paper investigates the effect of graphene oxide (GO) particles on the friction reduction and wear resistance of coatings on a Ti-6Al-4V alloy generated using the micro-arc oxidation (MAO) technique. Different concentrations of GO were added in aluminate–phosphate electrolyte. The composition of the MAO coatings was investigated using X-ray diffraction and the energy dispersive spectrum. Measurements of the coating’s thickness, hardness, and roughness have also been conducted. Ball-on-disk friction tests under dry conditions were carried out to reveal the tribological behavior of the MAO coating. The results showed that the coating consisted of Al2TiO5 and γ-Al2O3. The addition of GO greatly reduced the friction coefficient by 25%. The coating with 5 g/L of GO particles exhibited the lowest friction coefficient (reduced from 0.47 to 0.35). Moreover, the coating thickness become thicker (from 10 to 20 μm) with an increase in GO concentration from 0 to 10 g/L. The wear mechanism was revealed via worn surface analysis. This study provides a helpful way to improve the surface wear resistance of titanium alloys. Full article
(This article belongs to the Special Issue Tribological Behavior and Mechanical Performance of Coatings and Materials)
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