Journal
TRIBOLOGY INTERNATIONAL
Volume 92, Issue -, Pages 246-254Publisher
ELSEVIER SCI LTD
DOI: 10.1016/j.triboint.2015.06.004
Keywords
Carbon and aramid fibers; Polyimide composites; Atomic oxygen and ultraviolet irradiations; Sliding friction
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Funding
- National Basic Research Program of China [2015CB057502]
- National Defense Innovation Fund of Chinese Academy of Sciences [CXJJ-14-M43]
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The friction and wear behaviors of carbon and aramid fibers reinforced polyimide composites have been investigated in simulated space irradiation environment and start-stop friction process. The experiment results showed that the introduction of fibers decreased the friction coefficient and improved the wear-resistance of polyimide matrix after atomic oxygen and ultraviolet irradiations especially for the carbon fibers. A start-stop friction process aggravated the wear of various composite materials against the counterpart ball. Carbon fibers reinforced polyimide displayed excellent tribological property in irradiation environment and start-stop friction condition, which was expected to become a kind of potential tribological material for the application of spacecraft. (C) 2015 Elsevier Ltd. All rights reserved.
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