Applied Nanotribology, 3rd Edition

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

Deadline for manuscript submissions: 15 June 2024 | Viewed by 1950

Special Issue Editors


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Guest Editor
School of Mechanical Engineering, Southwest Jiaotong University, Chengdu 610031, China
Interests: nanotribology; lubricants; nanowear; ultra-precision surface manufacturing; nanomaterials
Special Issues, Collections and Topics in MDPI journals

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Guest Editor
Department of Chemical Engineering & Materials Science and Engineering, Pennsylvania State University, University Park, PA 16802, USA
Interests: tribology; glass surface; cellulosic nanomaterials
State Key Laboratory of Fluid Power and Mechatronic Systems and Department of Mechanical Engineering, Zhejiang University, Hangzhou 310027, China
Interests: nanotribology; nanolubricants; friction materials
Special Issues, Collections and Topics in MDPI journals

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Guest Editor
Research Institute of Frontier Science, Southwest Jiaotong University, Chengdu 610031, China
Interests: nanotribology; molecular dynamics; tribochemistry
Special Issues, Collections and Topics in MDPI journals

Special Issue Information

Dear Colleagues,

Tribological issues exist in almost all machines and mechanical systems with moving parts, and are one of the major causes of energy consumption and material loss. With the development of automation technology, such issues have become more critical and significantly augmented economic expenditure. Nanotribology is a branch of tribology that studies adhesion, friction, wear and lubrication phenomena viewed at the scale of atoms and molecules. Although macroscale tribological interfaces can be simplified as multiple-asperities contact at nanoscale, the problems faced in nanotribology are unique due to the extremely high surface-to-volume ratio of nanoscale components.

The invention of probe-based techniques (scanning tunneling microscope, and atomic force microscope, etc.) and the application of computational simulations (molecular dynamics, and density functional theory, etc.) offered the opportunity for tribological study at the atomic and molecular scales. The appearance of nanomaterials and the development of nanostructures open the doors to achieving nearly zero friction and wearless states (e.g., superlubricity). Nanotribological approaches can be employed to find the interplay among different tribological properties. As the dimension shrinks to nanoscale, adhesion due to interfacial bonding and capillary meniscus becomes indispensable. In addition, the chemistry of the sliding interface changes dynamically due to mechanical activation; therefore, tribochemistry must be considered in many practical applications, including precision surface manufacturing, tribological systems, microsystems and actuators, among others.

This Special Issue aims to share the most recent experimental, theoretical and computational findings concerning adhesion, friction, wear and lubrication at nanoscale.

Prof. Dr. Lei Chen
Prof. Dr. Seong Han Kim
Dr. Zhe Chen
Prof. Dr. Yang Wang
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

  • nanowear
  • tribochemistry
  • interfacial adhesion
  • lubricants and additives
  • modeling and simulation
  • superlubricity at small scale
  • ultra-precision surface manufacturing
  • novel experimental and computational approaches for nanotribology

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Published Papers (1 paper)

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Research

15 pages, 7090 KiB  
Article
Enhancing Lubrication Performance of Calcium Sulfonate Complex Grease Dispersed with Two-Dimensional MoS2 Nanosheets
by Shuo Xiang, Xufei Long, Qinhui Zhang, Pengfei Ma, Xin Yang, Hui Xu, Peng Lu, Peng Su, Weihua Yang and Yan He
Lubricants 2023, 11(8), 336; https://doi.org/10.3390/lubricants11080336 - 08 Aug 2023
Cited by 2 | Viewed by 1726
Abstract
Calcium sulfonate complex greases (CSCG) have proven to be a sustainable alternative to lithium complex greases, which still require appropriate additives to deliver lubrication performance benefits under extreme working conditions such as heavy load, high speed, and high temperature. The anti-wear and friction [...] Read more.
Calcium sulfonate complex greases (CSCG) have proven to be a sustainable alternative to lithium complex greases, which still require appropriate additives to deliver lubrication performance benefits under extreme working conditions such as heavy load, high speed, and high temperature. The anti-wear and friction reducing properties of CSCG enhanced by two-dimensional MoS2 nanosheets (2D MoS2) with a narrow lateral size and thickness distributions were evaluated by a four-ball tribometer. The results showed that the CSCG with 0.6 wt.% 2D MoS2 performs best, with a 56.4% decrease in average friction coefficient (AFC), 16.5% reduction in wear scar diameter (WSD), 14.3% decrease in surface roughness, and a 59.4% reduction in average wear depth. Combining SEM-EDS images, Raman, and X-ray photoelectron spectra, it is illustrated that the physical transferred film and tribo-chemical film consisting of MoS2, Fe2O3, FeSO4, CaCO3, CaO, and MoO3 were generated on the worn surface, which improves the lubrication performance of CSCG considerably. Full article
(This article belongs to the Special Issue Applied Nanotribology, 3rd Edition)
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