块状玻璃纤维复合材料在模拟月球环境中的摩擦学性能

IF 6.1 1区工程技术 Q1 ENGINEERING, MECHANICAL

Tribology International Pub Date : 2025-03-31 DOI:10.1016/j.triboint.2025.110680

M. Akif Rahman , Vasilis Tsigkis , Saifur Rahman , Andreas A. Polycarpou

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引用次数: 0

摘要

一种高温玻璃聚合物，芳香热固性共聚酯（ATSP），在恶劣的月球环境中表现出卓越的摩擦学性能，在太空应用中显示出巨大的前景。为了提高纯ATSP的力学性能，加入了填充材料。在这项研究中，我们研究了在月球表面恶劣温度和磨蚀条件下，用于动态密封和衬套的ATSP复合材料的摩擦和磨损特性。我们进行了平销盘摩擦学研究，以测量不同复合材料在不同温度下与两种不同轴承级钢的摩擦系数（COF）和磨损率。结果表明，以碳纤维和石墨为填充材料的ATSP在低温和高温下都具有优异的耐磨性和降低COF的性能。

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Tribological performance of bulk vitrimer composites in simulated lunar environment

A high temperature vitrimer, Aromatic Thermosetting Copolyester (ATSP), has demonstrated superior tribological performance in harsh lunar environments, showing great promise for space applications. To enhance the mechanical properties of neat ATSP, filler materials were added. In this study, we examined the friction and wear characteristics of ATSP composite materials under harsh temperatures and abrasive conditions found on the surface of the moon for dynamic seal and bushing applications. We conducted flat pin-on-disk tribological studies to measure the coefficient of friction (COF) and wear rates of different composites against two different bearing-grade steels at different temperatures. Results show that ATSP with milled carbon fiber and graphite as filler materials exhibit exceptional resistance to wear and reduced COF at both cryogenic and high temperatures.

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来源期刊

Tribology International 工程技术-工程：机械

CiteScore

10.10

自引率

16.10%

发文量

627

审稿时长

35 days

期刊介绍： Tribology is the science of rubbing surfaces and contributes to every facet of our everyday life, from live cell friction to engine lubrication and seismology. As such tribology is truly multidisciplinary and this extraordinary breadth of scientific interest is reflected in the scope of Tribology International. Tribology International seeks to publish original research papers of the highest scientific quality to provide an archival resource for scientists from all backgrounds. Written contributions are invited reporting experimental and modelling studies both in established areas of tribology and emerging fields. Scientific topics include the physics or chemistry of tribo-surfaces, bio-tribology, surface engineering and materials, contact mechanics, nano-tribology, lubricants and hydrodynamic lubrication.