润滑油
离子液体
材料科学
镁
镁合金
吸附
润滑
合金
化学工程
氧化物
图层(电子)
冶金
无机化学
复合材料
化学
有机化学
催化作用
工程类
作者
Yuefeng Han,Da Hao,Peng Gao,Ping Wen,Mingjin Fan
标识
DOI:10.1016/j.triboint.2022.108197
摘要
Based on HSAB rules, a series of oxygen-containing ionic liquids were synthesized as lubricants for magnesium alloy, and they exhibited much better lubricating performance than the conventional ionic liquid LF104. Among them, the carboxylic ionic liquid (N4444-OA) that with better adsorption property but lower reactivity exhibited the best lubrication performance. Characterizations of the worn surface revealed that the better lubrication performance of N4444-OA can be attributed to the formation of an inorganic-organic double layer tribofilm consisting of a metal oxide layer and an organic layer. This study gives an idea to design high-performance magnesium alloy lubricants, that the good lubricant should have better adsorption performance but lower chemical activities.
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