Nanolubricants developed from tiny CuO nanoparticles

被引：106
作者：
Alves, S. M. [1 ]
Mello, V. S. [1 ]
Faria, E. A. [1 ]
Camargo, A. P. P. [1 ]
机构：
[1] Univ Fed Rio Grande do Norte, Grp Estudos Tribol & Integridade Estrutural, Ave Senador Salgado Filho 3000, BR-59078970 Natal, RN, Brazil
来源：
TRIBOLOGY INTERNATIONAL | 2016年 / 100卷
关键词：
Tiny CuO nanoparticles; PAO oil; Boundary lubrication; TRIBOLOGICAL PROPERTIES; FRICTION PERFORMANCE; NANO-PARTICLES; ANTIWEAR; BEHAVIOR; WEAR; OIL; DIAMOND; ABILITY; SIZE;
D O I：
10.1016/j.triboint.2016.01.050
中图分类号：
TH [机械、仪表工业];
学科分类号：
0802 ;
摘要：
This paper reports the use of tiny CuO nanoparticles as EP additives in the synthetic oil, developing nanolubricants with low concentrations of this oxide. The nanoparticles were synthesized by hydro thermal microwave technique, and their average size was 5 nm. After that, the nanoparticles were covered with oleic acid and added three different concentrations in PAO oil (0.1, 0.25 and 0.5 wt%) using Toulene as the dispersant. The tribological performance of these oils was evaluated in HFRR tribometer under boundary lubrication conditions. The results showed that it is possible to reduce the friction coefficient and wear using tiny nanoparticle as well as decrease the percentage of CuO addition in lubricating oil. Moreover, tiny copper oxide reveals potential use lubricant applications. (C) 2016 Elsevier Ltd. All rights reserved.
引用
收藏
页码：263 / 271
页数：9
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