Tribological Properties of Nitrogen-Containing Lubricant Additives

被引：0
|
作者：
Liao J. [1 ,2 ]
Lu H. [2 ]
Dai K. [2 ]
Cao H. [3 ]
Zhao H. [2 ]
Han L. [2 ]
Xu Y. [2 ]
Fang Y. [1 ]
机构：
[1] School of Chemistry and Chemical Engineering, South China University of Technology, Guangzhou, 510640, Guangdong
[2] School of Chemical Engineering and Energy Technology, Dongguan University of Technology, Dongguan, 523808, Guangdong
[3] Foshan Delian Automotive Accessories Co., Ltd., Foshan, 528247, Guangdong
来源：
Zhao, Hongbin (zhaohbhanlf@163.com) | 2018年 / South China University of Technology卷 / 46期
基金：
中国博士后科学基金;
关键词：
Corrosion resistance; Liquid paraffin; Nitrogen-containing lubricant additives; Oil solubility; Thermal stability; Tribological properties;
D O I：
10.3969/j.issn.1000-565X.2018.07.010
中图分类号：
学科分类号：
摘要：
Four environment friendly lubricant additives, namely N1, N2, N3 and N4, have been designed, synthesized and characterized. The thermal stability, oil solubility and corrosion resistance of these additives have been systematically studied. Tribological behaviors of the lubricant additives in liquid paraffin (LP) were investigated. The surfaces morphology and elementary composition of the worn scar was recorded and analyzed by scanning electron microscopy (SEM) and energy dispersive spectroscopy (EDS). The reaction mechanism was initially discussed. It was found that the synthesized additives showed high thermal stability, excellent oil solubility and strong corrosion resistance. Among the four additives, N2 exhibited the best tribological property. For example, the maximum non-seizure load (PB) value of LP with 1.0wt% N2 was 74% higher than that of LP, the sintered load (PD) value was twice as large as that of LP. The wear scar diameter (WSD) of 1.0% N2+LP system was 54% lower than that of LP, and the friction coefficient was 28% lower than that of LP. The addition of four additives significantly reduced WSD and surface abrasions of LP. The additive participated in tribo-chemical reaction in the friction process, which effectively improved the extreme pressure, anti-wear and anti-friction performance of LP. © 2018, Editorial Department, Journal of South China University of Technology. All right reserved.
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页码：70 / 78
页数：8
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