Improving the tribological performance of canola oil by adding CuO nanoadditives for steel/steel contact

Kumar, Vijay; Dhanola, Anil; Garg, H.C.; Kumar, G Senthil

doi:10.1016/j.matpr.2020.04.807

Cited by 26 publications

(13 citation statements)

References 13 publications

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“…Canola oil containing 0.1 wt% CuO NPs showed minimum friction coefficient and lowest specific wear rate (SWR). 16 Upendra and Vasu investigated the tribological properties of trihexyltetradecylphosphonium bis(2,4,4-trimethylpentyl) phosphinate IL with Al 2 O 3 , CuO and SiO 2 NPs as a lubricant additive in a group I mineral base oil. Excellent synergies amongst IL, Al 2 O 3 and CuO NPs were found, and wear and extreme pressures were improved.…”

Section: Introductionmentioning

confidence: 99%

Evaluation of tribological properties of vegetable oil–based ionanolubricants: An experimental study

Kumar

Garg

2023

Proceedings of the Institution of Mechanical Engineers, Part J:

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Growing environment concern has forced us for the development of environmentally acceptable lubricants. In this study, tribological properties of sesame oil and castor oil containing imidazolium-based ionic liquid 1-ethyl 3methylimidazolium dicyanamide ([EMIM][DCN]) (IL1), phosphonium-based ionic liquid Trihexyltetradecylphosphonium bis(2,4,4-trimethylpentyl) phosphinate ([P66614][BTMPP]) (IL2) and titanium oxide (TiO2) nanoparticles (NPs) as hybrid additives have been investigated using four-ball tester with ASTM D4172B. Three different concentrations of IL1, IL2 and TiO2 NPs were selected for the formulation of vegetable oil–based ionanolubricants. It was found that castor oil with the addition of 0.03[Formula: see text] of TiO2 NPs and 1.3 vol.% of IL1 shows the lowest specific wear rate amongst all investigated lubricant samples. It is evident from field emission scanning electron microscopy analysis of worn-out surfaces of steel balls that a combination of ball bearing effect and tribofilm formation is responsible for the improved tribological characteristics.

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Section: Introductionmentioning

confidence: 99%

Evaluation of tribological properties of vegetable oil–based ionanolubricants: An experimental study

Kumar

Garg

2023

Proceedings of the Institution of Mechanical Engineers, Part J:

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“…They are also susceptible to oxidative degradation due to the presence of free fatty acids and the presence of double bonds in the carbon chain. These shortcomings of canola oils have led to studies looking at enhancing their tribological performance by the use of nano additives [ 5 , 6 ] in addition to chemically modifying them to be usable as mixed lubricant additives in petroleum-based oils [ 7 , 8 ].…”

Section: Introductionmentioning

confidence: 99%

Ball Milled Graphene Nano Additives for Enhancing Sliding Contact in Vegetable Oil

et al. 2021

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Graphite nanoplatelets (GNPs) as an oil nano additive has gained importance to enhance the lubrication properties of renewable lubricants, such as vegetable oils. Using appropriately processed GNPs is necessary to gain the required tribological advantage. The present study investigated ball-milled GNPs, to understand the effect of GNPs concentration, and applied load on tribological behavior. Pin-on-disk tests were employed, to investigate the tribological performance of the nano-additive oil-based lubricant in the boundary lubrication regime. In order gain an understanding of the lubrication mechanism, Scanning Electron Microscope (SEM), Energy-Dispersive X-ray Spectroscopy (EDX), and Raman Spectroscopy were performed for characterization. The study found that there is a critical concentration of GNPs, below and above which a reduced wear rate is not sustained. It is found that the tribological enhancements at the optimum concentration of GNP in boundary lubrication condition are a result of reduced direct metal–metal contact area at the interface. This phenomenon, along with the reduced shear strength of the ball-milled GNPs, is indicated to reduce the formation of asperity junctions at the interface and enhance tribological properties of the nano-additive oil-based lubricant.

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“…Among all nanoparticles, copper oxide (CuO) and zinc oxide (ZnO) have been widely researched due to their excellent tribological properties. The addition of CuO nanoparticles could reduce friction and wear when they were blended into different types of lubricating oils [ 13 , 14 , 15 , 16 , 17 , 18 , 19 , 20 , 21 ]. For instance, Kumar et al [ 14 ] presented that the CuO nanoparticles could be mixed with the zinc dialkyldithiophosphates (ZDDP) additive to increase the wear resistance ability of vegetable oil.…”

Section: Introductionmentioning

confidence: 99%

“…For instance, Kumar et al [ 14 ] presented that the CuO nanoparticles could be mixed with the zinc dialkyldithiophosphates (ZDDP) additive to increase the wear resistance ability of vegetable oil. The CuO nanoparticles were also used as additives to improve the anti-wear and extreme pressure performances of coconut oil [ 15 ], palm oil [ 16 ], and canola oil [ 17 ]. Moreover, the CuO nanoparticles were compatible with engine oils and resulted in significant friction reduction [ 18 , 19 ].…”

Section: Introductionmentioning

confidence: 99%

Tribological Behavior of Ionic Liquid with Nanoparticles

Chern

Horng

2021

Materials

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This research aims to formulate a new lubricant containing oxide nanoparticles for enhancing anti-wear ability and reducing friction. Different concentrations of copper oxide (CuO) and zinc oxide (ZnO) nanoparticles were separately added to an ionic liquid, methyltrioctylammonium bis(trifluoromethylsulfonyl)imide [N1888] [NTf2], to formulate the tested lubricants. The tribological properties of the lubricants were tested by performing ball-on-disc wear tests on a tribotester (MTM, PCS Instruments). The results show that both the CuO and ZnO nanoparticles can increase the friction reduction ability of the ionic liquid when used as a neat lubricant. The anti-wear characteristic of the ionic liquid is increased by adding ZnO nanoparticles but decreased by adding CuO nanoparticles. The best tribological performance observed for the concentration of 0.2 wt% ZnO, with the wear scar diameter is reduced by 32% compared to the pure ionic liquid. The results of SEM/EDX analysis on the worm morphologies show different lubrication mechanisms of the nanoparticles in the [N1888] [NTf2], which are tribo-sintering for CuO nanoparticles, and third body with pure rolling effect for ZnO nanoparticles.

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Improving the tribological performance of canola oil by adding CuO nanoadditives for steel/steel contact

Cited by 26 publications

References 13 publications

Evaluation of tribological properties of vegetable oil–based ionanolubricants: An experimental study

Evaluation of tribological properties of vegetable oil–based ionanolubricants: An experimental study

Ball Milled Graphene Nano Additives for Enhancing Sliding Contact in Vegetable Oil

Tribological Behavior of Ionic Liquid with Nanoparticles

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