2020
DOI: 10.1155/2020/1984931
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Tribological Behaviour of Neem Oil with and without Graphene Nanoplatelets Using Four-Ball Tester

Abstract: The present work was aimed to study the friction and wear behaviour of graphene nanoplatelets (GNPs) under extreme pressure conditions as an anti-weld additive for neem oil. The effect of neem oil, blended with various loading of GNPs on the friction and wear characteristics has been investigated. From the experimental results, it was found that 1 wt.% of GNPs in neem oil showed the least coefficient of friction and smoother wear scar diameter. The extreme pressure test was performed on neem oil with and witho… Show more

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Cited by 32 publications
(15 citation statements)
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“…In the author's previous works, the base pongamia, mahua, and neem oils were studied and compared with standard lubricating oil SAE 20W40. Pongamia and Neem oils showed better wear prevention behavior with HNTs and GNPs respectively [16,17]. Also, when the evaluation of GNPs inculcated Mahua oil was done for WPC, 0.25GMO sample showed supreme wear preventive behavior concerning other GNPs blended Mahua oil samples [32].…”
Section: Introductionmentioning
confidence: 92%
See 1 more Smart Citation
“…In the author's previous works, the base pongamia, mahua, and neem oils were studied and compared with standard lubricating oil SAE 20W40. Pongamia and Neem oils showed better wear prevention behavior with HNTs and GNPs respectively [16,17]. Also, when the evaluation of GNPs inculcated Mahua oil was done for WPC, 0.25GMO sample showed supreme wear preventive behavior concerning other GNPs blended Mahua oil samples [32].…”
Section: Introductionmentioning
confidence: 92%
“…Further, inculcation of halloysite nanotubes(1.5 wt.%) with pongamia oil resulted in a smoother wear scar [16]. Suresha et al in another article studied the wear preventive and EPC of neem oil [17]. Shahabuddin et al have blended the jatrophabased lubricating oil in the synthetic oil in various percentages and found a 10% blend was portrayed to show the lower friction of 34% and wear by 29% [18].…”
Section: Introductionmentioning
confidence: 99%
“…Cutting speed of 800 rpm, feed rate of 0.04 mm rev −1 , depth of cut 0.5 mm, nose radius of 1 mm and negative rake angle of 15 0 were obtained as the optimal values. Suresha et al [10] studied on how neem's viscosity, wear-prevention, and extreme pressure properties could be improved. Neem's viscosity is decreased with rise in temperature and also graphene nano-platelets (GNP) loading up to a range of 0.25 to 1.0 weight percent.…”
Section: Literature Reviewmentioning
confidence: 99%
“…The AGNPs were added to the base oils at different weight percentages (0, 0.25, 0.5, and 0.75). 40 Dodecyl sulfate salt solution (in deionized water) was used to increase the surface properties of Ag nanoparticles by avoiding oxide formation and ion emission during the process. This procedure was described in the standard literature.…”
Section: Preparation Of Nano-based Bio-lubricants Samplesmentioning
confidence: 99%