Tribological performance study of oil-soluble ILs as lubricant additives by the four-ball method

IF 1.8 4区工程技术 Q3 ENGINEERING, CHEMICAL

Lubrication Science Pub Date : 2022-11-06 DOI:10.1002/ls.1631

Zhaozhao Yang, Yijing Liang, Qing Huang, Xingwei Wang, Chunyu Zhou, Ruozheng Wang, Xiaoyan Yan, Bo Yu, Qiangliang Yu, Meirong Cai, Feng Zhou

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引用次数: 3

Abstract

Four oil‐soluble ionic liquids (ILs) with different structures were synthesised: N88816‐Doss (N/S), P88816‐Doss (P/S), N88816 phosphate (N/P) and P88816 phosphate (P/P). The effects of the four ILs synthesised with conventional lubricating additives isobutylene sulfide (T321), zinc dialkyl dithiophosphate (ZDDP) and tricresyl phosphate (T306) as PAO10 additives on the physicochemical properties of the prepared oil samples were systematically investigated at the same dosing rates. The antifriction and antiwear properties and extreme pressure performance of oil samples prepared by four ILs and three conventional additives were investigated by a four‐ball friction and a wear testing machine. The results showed that P/S improved the thermal stability of PAO10. The addition of N/S significantly improved the tribological performance of PAO10 at room temperature and under heavy loading. The coefficient of friction was reduced by 90%, the wear spot diameter is decreased by 28%, the last non‐seizure load PB is doubled, and the resistance to sintering did not improve.

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四球法研究油溶性离子液体作为润滑添加剂的摩擦学性能

合成了四种不同结构的油溶性离子液体：N88816‐Dos（N/S）、P88816‐dos（P/S）、N88816磷酸酯（N/P）和P88816磷酸酯。系统研究了以传统润滑添加剂异丁烯硫醚（T321）、二烷基二硫代磷酸锌（ZDDP）和磷酸三甲苯酯（T306）为PAO10添加剂合成的四种离子液体在相同投加速率下对制备的油样物理化学性质的影响。在四球摩擦和磨损试验机上，研究了四种离子液体和三种常规添加剂制备的油样的减摩抗磨性能和极压性能。结果表明，P/S提高了PAO10的热稳定性。N/S的加入显著提高了PAO10在室温和重载下的摩擦学性能。摩擦系数降低了90%，磨斑直径降低了28%，最后一次不咬合载荷PB增加了一倍，耐烧结性没有提高。

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来源期刊

Lubrication Science ENGINEERING, CHEMICAL-ENGINEERING, MECHANICAL

CiteScore

3.60

自引率

10.50%

发文量

审稿时长

6.8 months

期刊介绍： Lubrication Science is devoted to high-quality research which notably advances fundamental and applied aspects of the science and technology related to lubrication. It publishes research articles, short communications and reviews which demonstrate novelty and cutting edge science in the field, aiming to become a key specialised venue for communicating advances in lubrication research and development. Lubrication is a diverse discipline ranging from lubrication concepts in industrial and automotive engineering, solid-state and gas lubrication, micro & nanolubrication phenomena, to lubrication in biological systems. To investigate these areas the scope of the journal encourages fundamental and application-based studies on: Synthesis, chemistry and the broader development of high-performing and environmentally adapted lubricants and additives. State of the art analytical tools and characterisation of lubricants, lubricated surfaces and interfaces. Solid lubricants, self-lubricating coatings and composites, lubricating nanoparticles. Gas lubrication. Extreme-conditions lubrication. Green-lubrication technology and lubricants. Tribochemistry and tribocorrosion of environment- and lubricant-interface interactions. Modelling of lubrication mechanisms and interface phenomena on different scales: from atomic and molecular to mezzo and structural. Modelling hydrodynamic and thin film lubrication. All lubrication related aspects of nanotribology. Surface-lubricant interface interactions and phenomena: wetting, adhesion and adsorption. Bio-lubrication, bio-lubricants and lubricated biological systems. Other novel and cutting-edge aspects of lubrication in all lubrication regimes.