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Friction and Wear of Materials Surfaces (2nd Edition)
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Friction and Wear of Materials Surfaces (2nd Edition)

A special issue of Materials (ISSN 1996-1944). This special issue belongs to the section "Mechanics of Materials".

Deadline for manuscript submissions: 20 January 2025 | Viewed by 4836

Special Issue Editor

Dr. Andrzej Dzierwa

E-Mail Website
Guest Editor
Department of Manufacturing Processes and Production Engineering, Faculty of Mechanical Engineering, Rzeszow University of Technology, Powstancow Warszawy 8, 35-959 Rzeszow, Poland
Interests: tribology; friction; wear; surface engineering; surface metrology; manufacturing processes
Special Issues, Collections and Topics in MDPI journals

Special Issue Information

Dear Colleagues,

It is an honor and privilege to be involved as the guest editor of a Special Issue of Materials focusing on the friction and wear of material surfaces. I believe that with your kind support, it will become an important Special Issue, as the first edition collected over 30 articles.

Tribology plays a crucial role in industry by improving the efficiency, reliability, performance, energy efficiency, safety, and sustainability of many products and systems. Tribological research also plays an important role in improving the design, manufacturing, and operation of many industrial products and systems. This can lead to significant cost savings by reducing maintenance, repair, and replacement costs.

A number of scientists studied the effect of surface topography and material properties on the tribological performance of sliding elements. However, accessible papers contain ambiguous and sometimes contradictory opinions about connections between values of surface topography parameters, materials properties and various tribological properties of sliding pairs. In addition, a continuous development of measuring equipment makes more precision measurements possible and as a consequence also makes extended analysis of phenomena taking part on surfaces in frictional contact possible.

Therefore, the aim of this Special Issue is to collect high-quality research papers that focus on the friction and wear of material surfaces. We are looking forward to receiving your submissions.

Dr. Andrzej Dzierwa
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. Materials is an international peer-reviewed open access semimonthly 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
  • friction
  • wear
  • lubrication
  • materials
  • surface engineering
  • surface topography
  • surface metrology
  • manufacturing processes

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Published Papers (4 papers)

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Research

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13 pages, 57896 KiB  
Article
Wear Mechanisms of the Working Surface of Gears after Scuffing Tests
by Edyta Osuch-Słomka, Remigiusz Michalczewski, Anita Mańkowska-Snopczyńska, Marek Kalbarczyk, Andrzej N. Wieczorek and Emilia Skołek
Materials 2024, 17(14), 3552; https://doi.org/10.3390/ma17143552 - 18 Jul 2024
Viewed by 419
Abstract
Identification of changes occurring on the working surface of lubricated gears using analytical equipment, e.g., an FE-SEM scanning electron microscope with an EDS microanalyzer, a WLI interferometric microscope, or a GDEOS optical discharge spectrometer, enables the characterisation of wear mechanisms of this surface. [...] Read more.
Identification of changes occurring on the working surface of lubricated gears using analytical equipment, e.g., an FE-SEM scanning electron microscope with an EDS microanalyzer, a WLI interferometric microscope, or a GDEOS optical discharge spectrometer, enables the characterisation of wear mechanisms of this surface. Definition of the phenomena occurring on the surface of tribo-couples after scuffing tests enables a comparative analysis of scuffing resistance and surface properties of the micro- and nanostructure, and elemental composition of the tested gears. Recognition and analysis of the wear mechanisms occurring on the working surface of gears will reduce the risk of damage and losses resulting from the need for maintenance and repair. The study concerned the working surfaces of gears made of 17HNM and 35HGSA steels on which a W-DLC/CrN coating was deposited. Shell Omala S4 GX 320 commercial industrial oil with a synthetic PAO (polyalphaolefin) base was selected for the lubrication of the gears. Tribological tests employed an FZG gear scuffing under severe conditions test method and they were carried out on a T-12U test rig for cylindrical gear analysis. Full article
(This article belongs to the Special Issue Friction and Wear of Materials Surfaces (2nd Edition))
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12 pages, 16521 KiB  
Article
The Development of Novel Cu/GO Nano-Composite Coatings by Brush Plating with High Wear Resistance for Potential Brass Sliding Bearing Application
by Yingdi Feng, Xiaoying Li and Hanshan Dong
Materials 2024, 17(11), 2623; https://doi.org/10.3390/ma17112623 - 29 May 2024
Viewed by 485
Abstract
Low friction and high wear resistance are critical properties for sliding bearings. In this research, advanced Cu/GO nanocomposite coatings have been developed by a brush plating method to improve the tribological performance of brass-based sliding bearings. A series of brush plating studies under [...] Read more.
Low friction and high wear resistance are critical properties for sliding bearings. In this research, advanced Cu/GO nanocomposite coatings have been developed by a brush plating method to improve the tribological performance of brass-based sliding bearings. A series of brush plating studies under voltages from 2 to 6 V with different GO concentrations (0.2–0.8 g/L) was conducted, and the coating microstructures were characterised by SEM, EDX, GDOES and XRD and the tribological behaviour of the Cu/GO composite coatings were evaluated using dry ball-on-plane tribological tests The experimental results have demonstrated that GO can be successfully introduced into the whole composite coating layer; the Cu/GO composite coatings can reduce the friction of brass and increase its wear resistance by two orders of magnitude, mainly due to the self-lubricating GO added into the coatings. Full article
(This article belongs to the Special Issue Friction and Wear of Materials Surfaces (2nd Edition))
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23 pages, 44324 KiB  
Article
Microstructure and Wear Behavior of Ti-xFe-SiC In Situ Composite Ceramic Coatings on TC4 Substrate from Laser Cladding
by Xiaojun Zhao, Peize Lyu, Shenqin Fang, Shaohao Li, Xiaoxuan Tu, Penghe Ren, Dian Liu, Lyuming Chen, Lairong Xiao and Sainan Liu
Materials 2024, 17(1), 100; https://doi.org/10.3390/ma17010100 - 24 Dec 2023
Cited by 6 | Viewed by 1044
Abstract
Titanium alloys are widely used in various structural materials due to their lightweight properties. However, the low wear resistance causes significant economic losses every year. Therefore, it is necessary to implement wear-resistant protection on the surface of titanium alloys. In this study, four [...] Read more.
Titanium alloys are widely used in various structural materials due to their lightweight properties. However, the low wear resistance causes significant economic losses every year. Therefore, it is necessary to implement wear-resistant protection on the surface of titanium alloys. In this study, four types of in situ composite ceramic coatings with two-layer gradient structures were prepared on a Ti-6Al-4V (TC4) substrate using laser cladding. In order to reduce the dilution rate, a transition layer (Ti-40SiC (vol.%)) was first prepared on TC4 alloy. Then, a high-volume-fraction in situ composite ceramic working layer (Ti-xFe-80SiC (vol.%)) with different contents of Fe-based alloy powder (x = 0, 5, 10 and 15 vol.%) was prepared. The working surface of Ti-40SiC (TL) exhibited a typical XRD pattern of Ti, TiC, Ti5Si3, and Ti3SiC2. In comparison, both Ti-80SiC (WL-F0) and Ti-5Fe-80SiC (WL-F5) exhibited similar phase compositions to the TL coating, with no new phase identified in the coatings. However, the TiFeSi2 and SiC phases were presented in Ti-10Fe-80SiC (WL-F10) and Ti-15Fe-80SiC (WL-F15). It is proven that the addition of the Fe element could regulate the in situ reaction in the original Ti-Si-C ternary system to form the new phases with high hardness and good wear resistance. The hardness of the WL-F15 (1842.9 HV1) is five times higher than that of the matrix (350 HV1). Due to the existence of self-lubricating phases such as Ti5Si3 and Ti3SiC2, a lubricating film was presented in the WL-F0 and WL-F5 coatings, which could block the further damage of the friction pair and enhance the wear resistance. Furthermore, a wear-transition phenomenon was observed in the WL-F10 and WL-F15 coatings, which was similar to the friction behavior of structural ceramics. Under the load of 10 N and 20 N, the wear volume of WL-F15 coating is 5.2% and 63.7% of that in the substrate, and the depth of friction of WL-15 coating is only 14.4% and 80% of that in the substrate. The transition of wear volume and depth can be attributed to the wear mechanism changing from oxidation wear to adhesive wear. Full article
(This article belongs to the Special Issue Friction and Wear of Materials Surfaces (2nd Edition))
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Review

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27 pages, 1538 KiB  
Review
Superlubricity of Materials: Progress, Potential, and Challenges
by Maziar Ramezani, Zaidi Mohd Ripin, Cho-Pei Jiang and Tim Pasang
Materials 2023, 16(14), 5145; https://doi.org/10.3390/ma16145145 - 21 Jul 2023
Cited by 8 | Viewed by 2184
Abstract
This review paper provides a comprehensive overview of the phenomenon of superlubricity, its associated material characteristics, and its potential applications. Superlubricity, the state of near-zero friction between two surfaces, presents significant potential for enhancing the efficiency of mechanical systems, thus attracting significant attention [...] Read more.
This review paper provides a comprehensive overview of the phenomenon of superlubricity, its associated material characteristics, and its potential applications. Superlubricity, the state of near-zero friction between two surfaces, presents significant potential for enhancing the efficiency of mechanical systems, thus attracting significant attention in both academic and industrial realms. We explore the atomic/molecular structures that enable this characteristic and discuss notable superlubric materials, including graphite, diamond-like carbon, and advanced engineering composites. The review further elaborates on the methods of achieving superlubricity at both nanoscale and macroscale levels, highlighting the influence of environmental conditions. We also discuss superlubricity’s applications, ranging from mechanical systems to energy conservation and biomedical applications. Despite the promising potential, the realization of superlubricity is laden with challenges. We address these technical difficulties, specifically those related to achieving and maintaining superlubricity, and the issues encountered in scaling up for industrial applications. The paper also underscores the sustainability concerns associated with superlubricity and proposes potential solutions. We conclude with a discussion of the possible future research directions and the impact of technological innovations in this field. This review thus provides a valuable resource for researchers and industry professionals engaged in the development and application of superlubric materials. Full article
(This article belongs to the Special Issue Friction and Wear of Materials Surfaces (2nd Edition))
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