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Lubricants
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Wear Resistance and Lubrication Properties of Composites in Extreme Service...
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Wear Resistance and Lubrication Properties of Composites in Extreme Service Conditions

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

Deadline for manuscript submissions: 31 March 2025 | Viewed by 2181

Special Issue Editors

Dr. Yiran Wang

E-Mail Website
Guest Editor
School of Material Science and Engineering, Xi’an Jiao Tong University, Xi'an, China
Interests: tribology and wear behavior of metals and metal matrix composites; processing engineering of advanced composites
Special Issues, Collections and Topics in MDPI journals
Dr. Liang Sun

E-Mail Website
Guest Editor
Department of Materials Science and Engineering, Xi'an Shiyou University, Xi'an 710065, China
Interests: first principle in designing metal matrix composites; material corrosion prevention and strength prediction; preparation of new light alloy materials
Special Issues, Collections and Topics in MDPI journals
Dr. Wenyan Zhai

E-Mail Website
Guest Editor
Department of Materials Science and Engineering, Xi'an Shiyou University, Xi'an 710065, China
Interests: tribology and wear behavior of metal matrix composites; preparation of ceramic metal composites
Special Issues, Collections and Topics in MDPI journals

Special Issue Information

Dear Colleagues,

Wear and friction is a basic type of failure, which will lead to the loss of the original function of the parts and cause the equipment to become a possible safety hazard. As one of the three failure forms, wear is widely found in mechanical equipment of mining, energy, metallurgy, electric power, and other industries, causing a large number of economic losses. For the wear problem of equipment in extreme service conditions, in addition to optimizing its own structure, the wear resistance of the material itself is also very important. Composites have been used for a long time since they were smelted by human beings. Compared with other materials, composites have excellent comprehensive mechanical properties, wear resistance, low cost, simple smelting process and other advantages. They are widely used as various engineering structural materials, but also face the problem of wear in extreme service conditions. The aim of this Special Issue is to understand the basic principles of wear resistance and lubrication properties of composites in extreme service conditions. 

The scope of this Special Issue will serve as a forum for papers in the following concepts:

  • Theoretical and experimental research, knowledge and new ideas in anti-wear and lubrication mechanisms in extreme service conditions.
  • Recent developments and application in lubricating metal or ceramic matrix composites.
  • Self-lubricating composites produced by different processing or deposition methods.
  • Understanding the degradation mechanisms of composites in extreme service conditions.
  • Computer modeling, simulation to predict composites tribological properties, performance, durability and reliability in extreme service environments.

It is our pleasure to invite you to submit your article to this Special Issue. We look forward to receiving your paper for the Special Issue “Wear resistance and lubrication properties of composites in extreme service conditions” of <MDPI Lubricants>.

Dr. Yiran Wang
Dr. Liang Sun
Dr. Wenyan Zhai
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. Lubricants 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

  • metal matrix composites
  • ceramic matrix composites
  • wear resistance
  • extreme service conditions
  • lubricating properties

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Further information on MDPI's Special Issue polices can be found here.

Published Papers (2 papers)

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Research

24 pages, 11404 KiB  
Article
Research on a Wear Defect Detection Method for a Switch Sliding Baseplate Based on Improved Yolov5
by Qing Jiang, Ruipeng Gao, Yan Zhao, Wenzhen Yu, Zhuofan Dang and Shiyi Deng
Lubricants 2024, 12(12), 422; https://doi.org/10.3390/lubricants12120422 - 30 Nov 2024
Viewed by 395
Abstract
In the realm of railroad transportation, the switch sliding baseplate constitutes one of the most crucial components within railroad crossings. Wear defects occurring on the switch sliding baseplate can give rise to issues such as delayed switch operation, inflexible switching, or even complete [...] Read more.
In the realm of railroad transportation, the switch sliding baseplate constitutes one of the most crucial components within railroad crossings. Wear defects occurring on the switch sliding baseplate can give rise to issues such as delayed switch operation, inflexible switching, or even complete failure, thereby escalating the risk of train derailment. Consequently, the detection of wear defects on the switch sliding baseplate is of paramount importance for enhancing traffic efficiency and guaranteeing the safety of train switching operations. Micro-cutting defects, which are among the most significant defects resulting from wear, exhibit complex and diverse morphological and characteristic features. Traditional random sampling methods struggle to capture their detailed characteristics, leading to inadequate accuracy and robustness in the detection process. To address the above-mentioned issues, the YOLOv5s algorithm has been refined and subsequently applied to the detection of micro-cutting defects generated by wear on the switch sliding baseplate. The experimental results demonstrate that, in comparison with the currently prevalent mainstream target detection algorithms, the improved model can attain optimal recall rates R, [email protected], and [email protected]:0.95. Specifically, when contrasted with the original YOLOv5s algorithm, the improved model witnesses significant enhancements in its precision rate P, the recall rate R, [email protected], and [email protected]:0.95, with increments of 1.26%, 5.6%, 9.1%, and 8.92%, respectively. These improvements fully corroborate the performance of the proposed model in the context of micro-cutting defect detection. Full article
(This article belongs to the Special Issue Wear Resistance and Lubrication Properties of Composites in Extreme Service Conditions)
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17 pages, 20579 KiB  
Article
Tribological Properties of Cu-Based Self-Lubricating Materials Composed with Cu- or Ni-Plated Graphite
by Yiran Wang, Liujie Xu and Xiuqing Li
Lubricants 2023, 11(7), 271; https://doi.org/10.3390/lubricants11070271 - 21 Jun 2023
Cited by 5 | Viewed by 1177
Abstract
Cu-based self-lubricating materials can effectively adapt to complex natural environments and ensure consistency in materials used for switch transitions. These materials were tested through interface reinforcement research, improving their mechanical and tribological properties and providing a theoretical basis for new switch slide baseplate [...] Read more.
Cu-based self-lubricating materials can effectively adapt to complex natural environments and ensure consistency in materials used for switch transitions. These materials were tested through interface reinforcement research, improving their mechanical and tribological properties and providing a theoretical basis for new switch slide baseplate materials. Results showed that the coefficient of friction and wear weight loss of Cu-based self-lubricating materials decreased with an increase in graphite content after Cu and Ni plating on the graphite surface, reaching a minimum value at a graphite content of 6 wt.%. The coefficient of friction and wear weight loss of the Ni-plated material were reduced 11.1% and 85.6%, respectively, whereas the coefficient of friction and wear weight loss of Cu-plated materials were reduced 7.2% and 78.4%, respectively. Compared to Cu plating, Ni plating substantially enhanced the friction and wear performance of Cu-based self-lubricating materials. Cu and Ni plating increased the adhesion of the materials on the pin surface and the adhesive materials’ composition was consistent with the lubricating film, which changed the grinding mechanism between the pin and the disk. Ni plating had a stronger effect on the tribological performance of Cu-based self-lubricating materials than Cu plating. Full article
(This article belongs to the Special Issue Wear Resistance and Lubrication Properties of Composites in Extreme Service Conditions)
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