期刊
TRIBOLOGY INTERNATIONAL
卷 90, 期 -, 页码 175-184出版社
ELSEVIER SCI LTD
DOI: 10.1016/j.triboint.2015.04.027
关键词
Polyimide/carbon sphere microcomposite films; Seawater lubrication; Friction coefficient; Wear rate
资金
- National Natural Science Foundation of China [51103065, 51372103]
- Foundation of State Key Laboratory of Solid Lubrication [1202]
The polyimide (PI)-based microcomposites reinforced with carbon sphere were prepared by situ polymerization and mechanical, thermal and tribological properties of PI/carbon sphere microcomposites were investigated. The results showed that the addition of carbon sphere greatly enhanced mechanical and thermal property of PI. In addition, PI/carbon sphere microcomposites had lower friction coefficient under seawater condition than other conditions because of better lubricating effect of seawater. Particularly, 0.7 wt% PI/carbon sphere microcomposite had lowest friction coefficient under seawater lubrication. However, 0.7 wt% PI/carbon sphere microcomposite showed higher wear rate under seawater lubrication than other conditions because of structure defect of microcomposites. (C) 2015 Elsevier Ltd. All rights reserved.
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