Friction and wear of PPS/CNT nanocomposites with formation of electrically isolating transfer films |
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Affiliation: | 1. Laboratory for Tribology and Interface Nanotechnology, Faculty of Mechanical Engineering, University of Ljubljana, Bogišičeva, 1000 Ljubljana, Slovenia;2. Department for Nanostructured Materials, Jožef Stefan Institute, Jamova cesta 39, 1000 Ljubljana, Slovenia;1. Departamento de Física de Polímeros, Elastómeros y Aplicaciones Energéticas, Instituto de Ciencia y Tecnología de Polímeros (ICTP-CSIC), Juan de la Cierva 3, 28006 Madrid, Spain;2. Departamento de Física Macromolecular, Instituto de Estructura de la Materia (IEM-CSIC), Serrano 119, 28006 Madrid, Spain;1. College of Engineering, Mathematics and Physical Science, University of Exeter, Exeter, EX4 4QF, UK;2. 2-DTech Limited, Unit 2,Chosen View Road, Cheltenham, GL51 9LT, UK;1. State Key Laboratory of Solid Lubrication, Lanzhou Institute of Chemical Physics, Chinese Academy of Sciences, China;2. Institute for Composite Materials (IVW), University of Kaiserslautern, Germany;1. State Key Laboratory of Solid Lubrication, Lanzhou Institute of Chemical Physics, Chinese Academy of Sciences, Lanzhou 730000, China;2. University of Chinese Academy of Sciences, Beijing 100049, China;3. Qingdao Center of Resource Chemistry & New Materials, Qingdao 266071, China |
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Abstract: | The effects of various fillers, i.e. short carbon fibers (SCF), graphite flakes, carbon nanotubes (CNT) and their combinations, on the tribological behavior and transfer film structures of polyphenylensulfide (PPS) were investigated. The hybrid composite filled with combined SCF, graphite and CNT shows the best tribological performance among the composites studied due to a fast formation of a groove-filling transfer film on the counterpart. Especially when measuring the electrical conductivity of the sliding contact during the friction process, a close relationship between the tribological behavior and the structure of the isolating transfer film was evident. |
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Keywords: | Transfer film PPS Electrical conductivity CNT |
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