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Study on the Friction Behaviors of Copper Nanowires in Ionic Liquids under External Voltages
Journal of Materials Engineering and Performance ( IF 2.3 ) Pub Date : 2020-09-01 , DOI: 10.1007/s11665-020-05073-5
Zheng Wang , Lina Zhu , Lina Si , Xiaoyong Ren , Shuai Wu

The effects of copper nanowires (Cu NWs) and ionic liquid (1-butyl-3-methylimidazolium perchlorate, in short [BMIM] [ClO4]) on the tribological properties of ionic liquid under external voltages were explored using friction tests in this paper. The results showed that the ionic liquid with 0.15 wt.% Cu NWs after 60 days exhibited better lubricating property at a low voltage of 0.5 V. The worn surfaces characterized by SEM and XPS illustrated that the existence of the Cu2O could increase wear of friction pairs when Cu particles were oxidized. How the different forms of copper affect the lubrication of ionic liquid under external voltages were further discussed. This work provides a new thought of using metal ions to improve the lubrication performance of ionic liquids under external voltages.



中文翻译:

外部电压下离子液体中铜纳米线的摩擦行为研究

本文利用摩擦试验研究了铜纳米线(Cu NWs)和离子液体(1-丁基-3-甲基咪唑鎓高氯酸盐,简称[BMIM] [ClO 4 ])对离子液体在外部电压下的摩擦学性能的影响。 。结果表明,60天后具有0.15 wt。%Cu NWs的离子液体在0.5 V的低压下表现出更好的润滑性能。以SEM和XPS表征的磨损表面表明Cu 2的存在当Cu颗粒被氧化时,O会增加摩擦副的磨损。进一步讨论了不同形式的铜如何在外部电压下影响离子液体的润滑。这项工作提供了使用金属离子改善离子液体在外部电压下的润滑性能的新思路。

更新日期:2020-09-02
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