Abstract
In recent years, the tribology field has expanded with the advent of nanolubrication. Nanolubricants are the name given to the dispersion of nanoparticles in a base oil, and has attracted researchers due to its potential application. In addition to being used in the tribology field, nanoparticles are also used for medical, space, and composites purposes. The addition of nanoparticles in base oils is promising because it enhances specific tribological characteristics including wear-resistance and friction, and the most important reason is that the majority of them are environmentally friendly. This paper reviews the tribological effect of various nanoparticles as lubricant additives. Parameters of nanoparticles that affect tribological performance, the technique to enhance stability, and lubrication mechanism that is currently believed to function will be delineated in detail. Moreover, this review facilitates an understanding of the role of various nanoparticles, which helps in developing and designing suitable nanolubricants for various applications.
Highlights
Tribology is the study of science related to friction, wear, and lubrication [1]
In laboratory here the use of as lubricant additives are known as tests, the useFrom of nanolubricants in nanoparticles/nanomaterials base oils or coatings promotes a significant reduction of friction and nanolubricants
For the one-step method, the nanolubricants directly formulate synthesized in dry powder form by either physical or chemical methods,isand second procedure is through a chemical process
Summary
Tribology is the study of science related to friction, wear, and lubrication [1]. Lubrication is the process or technique to reduce the friction and wear for two relative moving surfaces by using lubricant. To further minimize wear and friction in the system, small amounts of weight percentage of additives are added to the lubricant base stock to improve and enhance the oil properties. Those additives can be anti-wear (AW), extreme pressure (EP), anti-corrosion, dispersant, and AW and EP additives are especially used to lubricate mechanical parts. Metal [8], metal sulphides [9], metal oxide [10], boron nitrides [11], carbon materials [12,13], nanocomposites [14], and rare earth compounds [15] exhibit excellent wear and friction reduction In this present study, NPs as lubricant additives will be reviewed. The relevant tribology information regarding the lubricants will be discussed
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