锂离子液体作为钢/铜、钢/铝摩擦副润滑剂的摩擦学性能
Tribological Property of Lithium-based Ionic Liquids as Lubricant for Steel/Copper and Steel/Aluminum Contacts
查看参考文献15篇
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文摘
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采用一步法合成了锂离子液体润滑剂[Li(OZO)]TFSI,并选择含有相同阴离子的传统咪唑离子液体1-丁基-3-甲基咪唑双三氟甲烷磺酰亚胺盐(L-F104)作对比,在SRV摩擦磨损试验机上评价了其作为钢/铜、钢/铝润滑剂的润滑性能,用X射线光电子能谱仪(XPS)分析了润滑机理。结果表明:在室温或高温(100 ℃)条件下,[Li(OZO)]TFSI都具有优异的减摩抗磨性能,摩擦过程中在金属摩擦副表面有物理吸附与摩擦化学反应发生,形成了阻止金属间直接接触的保护膜,从而起到了减摩抗磨的效果;且[Li(OZO)]TFSI可以取代L-F104作为两种摩擦副的润滑剂,而其合成过程却比L-F104简单的多。 |
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其他语种文摘
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Lithium-based ionic liquid (IL, [Li(OZO)]TFSI) was synthesized by one step and evaluated as lubricant for steel/copper and steel/aluminum contacts on an Optimol SRV-IV oscillating reciprocating friction and wear tester. The traditional IL 1-butyl-3-methylimidazolium bis(trifluoromethylsulfonyl)imide (L-F104) was used as a contrast. The X-ray photoelectron spectrometer (XPS) analysis was carried out to explore the lubrication mechanism. The results show that [Li(OZO)]TFSI has excellent friction-reducing and anti-wear properties both at room temperature and at 100 ℃. Physical adsorption and tribochemical reactions occur during the rubbing process with the generation of surface protective films, which prevent the metal-metal contact and further reduce friction and wear. [Li(OZO)]TFSI can substitute for L-F104 to lubricate the two kinds of contacts, and the preparation of the former is simpler than the latter. |
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来源
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中国表面工程
,2013,26(6):100-105 【扩展库】
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关键词
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锂离子液体
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润滑剂
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减摩
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抗磨
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地址
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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, 兰州, 730000
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语种
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中文 |
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文献类型
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研究性论文 |
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ISSN
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1007-9289 |
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学科
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金属学与金属工艺 |
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基金
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国家自然科学基金
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文献收藏号
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CSCD:5024953
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