Effect of Carbon Fiber Surface Oxidation on Tribological Properties of PTFE Composite under Oil-Lubricated Conditions

被引：0

作者：

Nie, W. Z. ^{[2
]}

Li, X. Z. ^{[1
]}

Su, Y. H. ^{[1
]}

机构：

[1] Shouguang Expt Sch, English Grp, Shandong 261041, Shouguang, Peoples R China

[2] Shanghai Inst Technol, Sch Mech & Automat Engn, Shanghai 200235, Peoples R China

来源：

COMPOSITE INTERFACES | 2010年 / 17卷 / 04期

关键词：

CF/PTFE composites; surface treatment; ozone; tribological property; oil-lubrication; MECHANICAL-PROPERTIES; RESIN COMPOSITES; AIR-OXIDATION; NANOFIBERS;

D O I：

10.1163/092764410X495298

中图分类号：

TB33 [复合材料];

学科分类号：

摘要：

Air-oxidation and ozone surface treatment of carbon fibers (CF) on tribological properties of CF reinforced polytetrafluoroethylene (PTFE) composites under oil-lubricated conditions was investigated. Experimental results revealed that ozone treated CF reinforced PTFE (CF/PTFE) composite had the lowest friction coefficient and wear under various applied loads and sliding speeds compared with untreated and air-oxidated composites. X-ray photoelectron spectroscopy (XPS) study of the carbon fiber surface showed that, after ozone treatment, oxygen concentration was obviously increased, and the amount of oxygen-containing groups on CF surfaces were increased greatly. The increase in the amount of oxygen-containing groups enhanced interfacial adhesion between CF and PTFE matrix, and large scale rubbing-off of PTFE was prevented; therefore, the tribological properties of the composite were improved. (C) Koninklijke Brill NV, Leiden, 2010

引用

页码：337 / 346

页数：10

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