Optimization Of Tribological Performance For Filtration Waste Cooking Oil Enhance By Nanoparticles

Tallip, Juriyanna (2017) Optimization Of Tribological Performance For Filtration Waste Cooking Oil Enhance By Nanoparticles. Project Report. UTeM, Melaka, Malaysia. (Submitted)

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Abstract

Nowadays, vegetable oils gain popularity in lubricant industry. It is due to biodegradable lubricants which have been promoted because of the environmentally friendly characteristics. Vegetable oil is potentially being used as a substitute for petroleum oil. They are environmentally friendly, renewable and less toxic. This study was conducted to produce a new lubricant as a replacement source for a current petroleum-based lubricant. In this study, waste cooking oil was mixed with graphite and ZrO2 nanoparticles, and the oleic acid as surfactant agent. The filtration process of waste cooking oil was done according to ASTM D7317. After the filtration process, the sample was blended with nanoparticle and surfactant by using Ultrasonic Homogenizer. Ultrasonic homogenizer to investigate the effect of the different composition of nanoparticle towards friction properties. Four-ball method according to ASTM D4172 was carried out to obtained the wear and friction results. By using SEM, it scanning the image of worn surface of the ball bearing and the wear mechanism can be determined. After all the data have been collected, the results were analysed. The optimum results show that the coefficient of friction achieves an average of 0.05407. Sample 2 obtained the smallest wear scar diameter with an average 576.0 μm and coherence with coefficient of friction with a lowest average of 0.0507. In addition, when the average coefficient of friction low, the wear scar diameter smaller, where the friction can causes the wear and surface damage. As a conclusion, the composition of waste cooking oil and nanoparticles have a potential as a new lubricant.

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