| 2种改性聚四氟乙烯固体润滑剂的摩擦学二次转移行为 |
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| 引用本文： | 刘亮,阎逢元,贺晔红.2种改性聚四氟乙烯固体润滑剂的摩擦学二次转移行为[J].材料保护,2010,43(1). |
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| 作者姓名： | 刘亮 阎逢元 贺晔红 |
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| 作者单位： | 中国科学院兰州化学物理研究所,固体润滑国家重点实验室,甘肃,兰州,730000;中国科学院研究生院,北京,100864;中国科学院兰州化学物理研究所,固体润滑国家重点实验室,甘肃,兰州,730000;沈阳黎明航空发动机(集团)有限责任公司技术中心,辽宁,沈阳,110043 |
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| 基金项目： | 国家高技术研究发展计划资助项目，甘肃省自然科学基金资助项目 |
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| 摘 要： | 为改善聚四氟乙烯(PTFE)复合材料的性能,将青铜粉(Bronze)、聚酰亚胺(PI)填充PTFE材料对其进行改性,采用冷压成型、自由烧结工艺分别制备了2种固体润滑剂,在改装的M-2000型摩擦磨损试验机上考察了2种固体润滑剂的二次转移性能;用扫描电子显微镜对上试样的磨损表面进行观察和分析。结果表明:PTFE复合材料作固体润滑剂所形成的二次转移能够改善体系的摩擦学性能,填料的加入增强了PTFE复合材料转移膜与底材的结合强度,起到了保护金属表面的作用;PTFE/Bronze比PTFE/PI的复合材料更适宜作润滑源使用。
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| 关 键 词： | 固体润滑剂 聚四氟乙烯 青铜粉 聚酰亚胺 二次转移 摩擦磨损 |
Friction and Wear as well as Second Tribological Transfer Behavior of Two Types of Modified Polytetrafluoroethylene Solid Lubricating Composites |
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| LIU Liang,YAN Feng-yuan,HE Ye-hong.Friction and Wear as well as Second Tribological Transfer Behavior of Two Types of Modified Polytetrafluoroethylene Solid Lubricating Composites[J].Journal of Materials Protection,2010,43(1). |
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| Authors: | LIU Liang YAN Feng-yuan HE Ye-hong |
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| Affiliation: | LIU Liang1,2,YAN Feng-yuan1,HE Ye-hong1 (1.State Key La-boratory of Solid Lubrication,Lanzhou Institute of Chemical Physics,Chinese Academy of Sciences,Lanzhou 730000,Chi-na,2.Graduate School of the Chinese Academy of Sciences,Beijing 100864,China,3.Technique Centre of Shenyang Liming Aero-engine (Group) Company Ltd,Shenyang 110043,China) |
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| Abstract: | Polytetrafluoroethyl-ene (PTFE) composites filled with polyimide (PI) and bronze were prepared by compression molding and sintering.The friction and wear behavior as well as second tribological transfer of the filled PTFE composites under dry sliding conditions was evaluated using a reequipped M-2000 tribometer.The worn surfaces of the composites were examined by means of scanning electron micros-copy.Results show that under the given conditions,the filled PT-FE composites are able to form transfer film on ... |
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| Keywords: | solid lubricating material PTFE bronze PI second tribological transfer friction and wear behavior |
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