Issue 42, 2020

Dispersion stability and tribological properties of additives introduced by ultrasonic and microwave assisted ball milling in oil

Abstract

Graphene and MoS2 were modified by organic molecules to obtain modified reduced graphene oxide (MRGO) and modified molybdenum disulfide (MMD) powders. MRGO and MMD were uniformly dispersed in base oil (PAO6) by ultrasonic and microwave assisted ball milling (UMBM). This study tested the dispersion stability and tribological properties of additives in the oil, and analyzed the elements of the friction surface. Besides, the mechanism of anti-friction and anti-wear was discussed. The results show that the UMBM method is an effective way to introduce additives in lubricating oil. Compared with direct addition, it can effectively improve the dispersion stability of additives in the oil, so that additives can be better deposited and adsorbed on the friction surface in the friction process, and improve the tribological properties of lubricating oil.

Graphical abstract: Dispersion stability and tribological properties of additives introduced by ultrasonic and microwave assisted ball milling in oil

Associated articles

Article information

Article type
Paper
Submitted
16 Apr 2020
Accepted
26 Jun 2020
First published
02 Jul 2020
This article is Open Access
Creative Commons BY-NC license

RSC Adv., 2020,10, 25177-25185

Dispersion stability and tribological properties of additives introduced by ultrasonic and microwave assisted ball milling in oil

S. Wang, D. Chen, Y. Chen and K. Zhu, RSC Adv., 2020, 10, 25177 DOI: 10.1039/D0RA03414B

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