| 金属纤维增强PTFE基复合材料的摩擦学性能 |
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| 引用本文： | 札生荣.金属纤维增强PTFE基复合材料的摩擦学性能[J].摩擦学学报,1998,18(1):66-70. |
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| 作者姓名： | 札生荣 |
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| 作者单位： | 中国科学院兰州化学物理研究所固体润滑开放研究实验室，华北工学院专科学校化学工程系 |
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| 摘 要： | 研究了钢纤维、铜纤维及二者混杂增强聚四氟乙烯基复合材料的摩擦学性能，用扫描电子显微镜观察了复合材料的磨损表面形貌．结果表明：分别以这２种金属纤维增强都能大幅度降低聚四氟乙烯的磨损，钢纤维的增强效果比铜纤维的好，２种纤维混杂增强的效果比单一纤维增强的更好；增强纤维支承负荷、抑制磨损表面龟裂是其改善聚四氟乙烯抗磨性的主要机理．
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| 关 键 词： | 金属纤维 聚四氟乙烯 复合材料 磨损机理 摩擦 |
Study of Friction and Wear Properties of Metallic Fiber Filled PTFE Based Composite |
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| Yang Shengrong,Liu Weimin,Xue Qunji.Study of Friction and Wear Properties of Metallic Fiber Filled PTFE Based Composite[J].Tribology,1998,18(1):66-70. |
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| Authors: | Yang Shengrong Liu Weimin Xue Qunji |
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| Institution: | Yang Shengrong Liu Weimin Xue Qunji (Laboratory of Solid Lubrication Lanzhou Institute of Chemical Physics the Chinese Academy of Sciences Lanzhou 730000 China |
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| Abstract: | The friction and wear properties of metallic fiber filled PTFE based composite against steel were evaluated with a reciprocating friction tester. Scanning electron microscopy(SEM) were used to study the worn surfaces. It was found that metallic fiber is very effective to reduce wear, the hybrid metallic fibber is the most effective filler in reducing the wear of PTFE. Tests also show that a steel fiber increases slightly the friction factor of composites, while a copper fiber decreases slightly the friction factor. The dominant mechanism of the fiber in reducing wear is the load supporting action and the resistance of surface fracture of PTFE. |
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| Keywords: | PTFE metallic fiber composie wear mechanism |
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