Tribological and mechanical properties of carbon nanofiber-filled PTFE composites

Y. J. Shi, X. Feng, X. S. Diao, H. Y. Wang, X. H. Lu

科研成果: 书/报告/会议事项章节会议稿件同行评审

1 引用 (Scopus)

摘要

The tribological and mechanical properties of carbon nanofiber (CNF)-filled polytetrafluoroethylene (PTFE) composites with different filler proportions were studied. The worn surfaces of PTFE and carbon nanofiber/PTFE (CNF/PTFE) composites were then examined with scanning electron microscope (SEM). The results show the friction properties of CNF/PTFE composites decreased then increased with the increasing content of CNFs, while the anti-wear properties of CNF/PTFE composites were much higher than that of pure PTFE. The best anti-wear property was obtained with the composite containing 2 wt.% CNFs. The wear volume loss of the composite contained 2 wt.% CNFs was only about 1/700 that of PTFE without CNFs under the condition of 150N and 1.4m/s. Meanwhile, the results also indicate that the mechanical properties of CNF/PTFE composites increased then decreased with the increasing filler concentration, and the composite contained 1 wt.% CNFs has the best mechanical properties. Compare to pure PTFE, the tensile strength and the elongation of CNF/PTFE composites increased about 20% and 70% respectively when the filler content is 1 wt.%. It was seen from the worn surfaces micrographs of PTFE and CNF/PTFE composites that CNFs greatly reduce the adhesive wear of PTFE.

源语言英语
主期刊名Nanoscience and Technology
出版商Trans Tech Publications Ltd
975-978
页数4
版本PART 2
ISBN(印刷版)3908451302, 9783908451303
DOI
出版状态已出版 - 2007
活动China International Conference on Nanoscience and Technology, ChinaNANO 2005 - Beijing, 中国
期限: 9 6月 200511 6月 2005

出版系列

姓名Solid State Phenomena
编号PART 2
121-123
ISSN(印刷版)1012-0394

会议

会议China International Conference on Nanoscience and Technology, ChinaNANO 2005
国家/地区中国
Beijing
时期9/06/0511/06/05

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