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Review

Research Progress of Nano Copper Lubricant Additives on Engineering Tribology

1
School of Mechatronic Engineering, Xi’an Technological University, Xi’an 710021, China
2
National United Engineering Laboratory for Advanced Bearing Tribology, Henan University of Science and Technology, Luoyang 471000, China
*
Authors to whom correspondence should be addressed.
Academic Editor: Andrzej Miklaszewski
Metals 2021, 11(12), 2006; https://doi.org/10.3390/met11122006
Received: 20 October 2021 / Revised: 16 November 2021 / Accepted: 3 December 2021 / Published: 12 December 2021
(This article belongs to the Special Issue Advances in Powder Metallurgy)
Nanoparticles have as characteristics super sliding, extreme pressure, self-healing, etc., which can improve the friction reduction and anti-wear performance of sliding components, when used as lubricating oil additives. Nano-copper particles have a good synergistic effect with other antifriction agents, anti-wear agents, antioxidants and grease additives because of their low shear strength and grain boundary slip effect, showing a better anti-friction and anti-wear effect. However, nanoparticles are prone to conglomerate, and this causes a bottleneck in the application of dispersant for nano-copper in a lubricating oil system. The regulation of nanosized effect and surface properties has great engineering significance in compensating for the precision in manufacturing accuracy. This paper comprehensively reviews the tribological research progress of nano-copper as a lubricant additive, which provides a reference to the application of nano-copper particles as lubricating oil additives on engineering tribology. View Full-Text
Keywords: nano-additive; lubrication oil; friction and wear; lubrication mechanism nano-additive; lubrication oil; friction and wear; lubrication mechanism
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MDPI and ACS Style

Guo, J.; Zhao, Y.; Sun, B.; Wang, P.; Wang, Z.; Dong, H. Research Progress of Nano Copper Lubricant Additives on Engineering Tribology. Metals 2021, 11, 2006. https://doi.org/10.3390/met11122006

AMA Style

Guo J, Zhao Y, Sun B, Wang P, Wang Z, Dong H. Research Progress of Nano Copper Lubricant Additives on Engineering Tribology. Metals. 2021; 11(12):2006. https://doi.org/10.3390/met11122006

Chicago/Turabian Style

Guo, Junde, Yingxiang Zhao, Biao Sun, Puchao Wang, Zhijie Wang, and Hao Dong. 2021. "Research Progress of Nano Copper Lubricant Additives on Engineering Tribology" Metals 11, no. 12: 2006. https://doi.org/10.3390/met11122006

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