稀土改性玻璃纤维对PTFE复合材料摩擦磨损性能的影响

无机材料学报

• 研究论文 • 上一篇

稀土改性玻璃纤维对PTFE复合材料摩擦磨损性能的影响

程先华¹; 薛玉君¹; 谢超英²

1. 上海交通大学机械工程学院; 2. 上海交通大学材料科学与工程学院, 上海 200030

收稿日期:2001-11-05 修回日期:2001-11-26 出版日期:2002-11-20 网络出版日期:2002-11-20

Effect of Rare Earths Modification of Glass Fiber on Friction and Wear Properties of PTFE Composite

CHENG Xian-Hua¹; XUE Yu-Jun¹; XIE Chao-Ying²

. School of Mechanical Engineering; Shanghai Jiao Tong University; 2. School of Materials Science and Engineering; Shanghai 200030; China

Received:2001-11-05 Revised:2001-11-26 Published:2002-11-20 Online:2002-11-20

摘要/Abstract

摘要： 分别用硅烷偶联剂SG-Si900(SGS)、含SG-Si900的稀土溶液(SGS/RES)和稀土溶液(RES)对玻璃纤维进行表面改性,考察了稀土改性玻璃纤维填充的PTFE复合材料在油润滑条件下的摩擦磨损性能,并用扫描电子显微镜(SEM)分析了磨损表面形貌.结果表明:与未经表面改性玻璃纤维填充的PTFE复合材料相比,经表面改性玻璃纤维填充的PTFE复合材料的减摩耐磨性能得到提高,以RES的作用最明显,SGS/RES次之,SGS第三;在油润滑条件下,稀土改性玻璃纤维填充的PTFE复合材料只出现了轻微磨损,这是由于玻璃纤维经稀土表面改性后极大地改善了玻璃纤维与PTFE基体之间的界面结合力,使稀土改性玻璃纤维填充的PTFE复合材料具有优异的摩擦磨损性能.

关键词: 稀土, 玻璃纤维, PTFE复合材料, 摩擦磨损性能

Abstract: Silane coupling agent SG-Si900 (SGS), a solution of rare earth elements containing SG-Si900 (SGS/RES), and
a solution of rare earth elements (RES) were used to modify glass fiber surface, respectively. The friction and wear properties of polytetrafluoroethylene
(PTFE) composite, filled with glass fiber modified with rare earths, under oil lubrication were investigated. The worn surfaces were analyzed by using
a scanning electron microscope (SEM). The results show that, the friction-reducing and anti-wear properties of the PTFE composite filled with modified glass fiber are enhanced, compared with that of the PTFE composite filled with
unmodified glass fiber. The effect of RES is the most obvious, that of SGS/RES is the second, and that of SGS the third. The wear of the PTFE
composite, filled with glass fiber modified with rare earths, is characterized by slight wear under oil lubrication. This is attributed to that using rare
earths to modify the glass fiber surface can largely improve the interfacial adhesion between the glass fiber and PTFE. The rare earths modified glass
fiber filled PTFE composite exhibits excellent friction and wear properties.

Key words: rare earths, glass fiber, PTFE composite, friction and wear properties

中图分类号:

TB332
TH117

程先华,薛玉君,谢超英. 稀土改性玻璃纤维对PTFE复合材料摩擦磨损性能的影响[J]. 无机材料学报.

CHENG Xian-Hua,XUE Yu-Jun,XIE Chao-Ying. Effect of Rare Earths Modification of Glass Fiber on Friction and Wear Properties of PTFE Composite[J]. Journal of Inorganic Materials.

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稀土改性玻璃纤维对PTFE复合材料摩擦磨损性能的影响

Effect of Rare Earths Modification of Glass Fiber on Friction and Wear Properties of PTFE Composite

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