Space Tribology

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

Deadline for manuscript submissions: 31 May 2025 | Viewed by 691

Special Issue Editors


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Guest Editor
School of Aeronautics and Astronautics, University of Electronic Science and Technology of China, Chengdu 611731, China
Interests: space tribology and reliability engineering; interfacial mechanics

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Guest Editor
Department of Civil & Environmental Engineering, University of Illinois Urbana-Champaign, Urbana, IL 61801, USA
Interests: nanotribology; solid–liquid interface; lubricant additives

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Guest Editor
Department of Engineering Mechanics, Northwestern Polytechnical University, Xi'an 710129, China
Interests: tribology of hard coatings; superlubricity
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Special Issue Information

Dear Colleagues,

This Special Issue, entitled "Space Tribology", focuses on the key problems of friction, wear, and lubrication for tribo-pairs in space environments. It addresses the distinctive challenges presented by conditions such as vacuum, microgravity, extreme temperatures, and radiation exposure, which significantly impact material behavior and performance. Articles within this Special Issue aim to explore cutting-edge developments in materials science, including the design and application of low-friction coatings, advanced lubricants, and durable materials capable of withstanding harsh space conditions. Moreover, this Special Issue aims to encompasses research focused on novel lubrication strategies and tribological testing methodologies conducted in space simulators to simulate and analyze real-world scenarios encountered during space missions. Case studies featured in this Special Issue highlight practical challenges and solutions related to tribological issues in space exploration, providing valuable insights for engineers, researchers, and space agencies aiming to enhance the reliability, efficiency, and longevity of space technologies. Ultimately, this Special Issue aims to serve as a comprehensive repository of knowledge aimed at advancing the understanding and application of tribology in space exploration contexts.

Dr. Wanyou Yang
Dr. Wei Song
Dr. Shouyi Sun
Guest Editors

Manuscript Submission Information

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Keywords

  • spacecraft tribo-testing
  • tribological performance of spacecraft components
  • vacuum environment tribology
  • spacecraft lubrication strategies
  • contact mechanics in space
  • surface roughness effects on tribology in space
  • friction reduction in space applications
  • space debris tribological interactions
  • thermal stability of lubricants in space
  • wear resistance of materials in space environments
  • solid lubricants for space applications
  • fluid film lubrication in microgravity
  • reliability of spacecraft systems under tribological stress
  • material desigh for space tribological applications
  • high-temperature tribology in space missions
  • environmental effects on tribology in space
  • nano-coatings for enhanced tribological performance in space
  • tribology in spacecraft propulsion systems
  • reliability engineering for tribological components in space
  • experimental methodologies for space tribology research

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Published Papers (1 paper)

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Research

14 pages, 7699 KiB  
Article
Investigation of Tribological Performance of Ti:WS2/PFPE Composite Lubricating System Under Proton Radiation
by Jian Liu, Zhen Yan, Junying Hao and Weimin Liu
Lubricants 2024, 12(12), 403; https://doi.org/10.3390/lubricants12120403 - 21 Nov 2024
Viewed by 441
Abstract
The tribological performance of PFPE oil and the Ti:WS2/PFPE composite lubricating system with different oil amounts was investigated under a proton radiation (PR) irradiation environment. After PR irradiation, PFPE molecules occurred during cross-linking and a polymerization reaction and formed a volatile [...] Read more.
The tribological performance of PFPE oil and the Ti:WS2/PFPE composite lubricating system with different oil amounts was investigated under a proton radiation (PR) irradiation environment. After PR irradiation, PFPE molecules occurred during cross-linking and a polymerization reaction and formed a volatile small molecular compound, which deteriorates the tribological performance of the Ti:WS2/PFPE system. The tribological properties of the Ti:WS2/PFPE system rely strongly on oil amount. For an unirradiated Ti:WS2/PFPE system, the amorphous layer of transfer film near the sliding contact area was converted into a well-defined crystalline WS2 layer with a (002) plane induced by the friction process. After PR irradiation, the transfer film became thicker and showed a wholly amorphous structure due to the difficulty in preventing the entrance of O and showed no reorientation with induced friction. Full article
(This article belongs to the Special Issue Space Tribology)
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