EFFECT OF NANOPARTICLES ON ENHANCING THE VISCOSITY OF LUBRICANT OIL

Haider Ahmed  Hadi; Raghad F.  Almilly

doi:10.30572/2018/KJE/170330

Authors

Haider Ahmed Hadi Department of Chemical Engineering, College of Engineering, University of Baghdad, Baghdad, Iraq
Raghad F. Almilly Department of Chemical Engineering, College of Engineering, University of Baghdad, Iraq

DOI:

https://doi.org/10.30572/2018/KJE/170330

Keywords:

Commercial nano-lubricants, ZnO and SiO2 Nanomaterials,sol-gel nanoparticles, Viscosity Index

Abstract

Lubricating oils play a crucial role in reducing friction in engines and other moving machine parts. In this study, nano-additives (ZnO and SiO₂) were successfully prepared using a sol-gel method, yielding nanomaterials with specific measured values such as the purity, diameter, and surface area, and blended with commercial 5w-20 lubricating oil. Additionally, a mixture of these two nanomaterials was used together in the commercial oil. The nanomaterials were blended at different ratios (0.1%, 0.3%, 0.5%, 0.7%, and 1.0 % wt ) with the lubricating oil using two steps. First, a magnetic stirrer with the presence of oleic acid as a surfactant, and second, with a high-speed homogenizer electric mixer. The physical properties of the nano-oil, such as viscosity index, were enhanced from 117 to 121.5 with ZnO and from 117 to 119.5 with SiO₂. The enhancement was from 117 to 120.2 when the two types of nanomaterials were used together

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