A review of the effect of nano-lubricant additives on improving the tribological properties of lubricants

Subject Areas : Journal of New Applied and Computational Findings in Mechanical Systems

Abbas Taghipoor ¹

1 - Department of Mechanical Engineering, Dezful Branch, Islamic Azad University, Dezful, Iran.

Received: 2023-04-12 Accepted : 2023-06-08 Published : 2023-05-22

Keywords: tribological properties, lubrication mechanism, nanolubricant additive, dispersion stability,

Abstract :

     Using nano additives in lubricants is one of the most effective ways to control friction and wear, which is significant for energy conservation, emission reduction, and environmental protection. With scientific and technological development, great advances have been made in nano lubricant additives in scientific research and industrial applications. This review summarizes the categories of nano lubricant additives and illustrates the tribological properties of these additives. Based on the component elements of nanomaterials, nano lubricant additives are discussed in three types, nanometal-based, nanocarbon-based, and nanocomposite-based additives in the review systematically. Moreover, the review summarizes the lubrication mechanisms of nano lubricant additives, including tribofilm formation, micro-bearing effect, self-repair performance, and synergistic effect. At last, the challenges and prospects of nano lubricant additives are proposed, which guide the design and synthesis of novel additives with significant lubrication and antiwear properties in the future.

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