Tribological Studies Of Bio-Lubricants On Plastics

Abdul Kadir, Nor Asyraf (2016) Tribological Studies Of Bio-Lubricants On Plastics. Project Report. UTeM, Melaka, Malaysia. (Submitted)

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Abstract

17th Century BC: lubrication dates back at least as far as this period in ancient Egypt. According to archaeological discoveries, olive oil is used as a lubricant to move large stones and other heavy objects. After that, the lubricants evolve rapidly and a lot of lubricants produces based on animal fats, vegetable oils and etc. A lubricant is a substance proposes to reduce friction between surfaces in mutual contact. Lubricant becomes important substance and widely used in industrial application, medical, cooking and other purposes. This study investigates experimentally the effect of Banana Peel oil lubricant on the coefficient of friction and wear behavior of polymer materials against stainless steel disc plate. The Banana Peel lubricants were prepared in four different percentage; 5% BP + 95% NCO, 20% BP + 80% NCO, 50% BP + 50% NCO and 100% NCO. Each lubricant contains with the different concentration of Banana Peel oil. The lubricants were test by using Pin-on-disc method. Experiments were carried out under load 156.96 N, rotation speed of 800rpm and fixed temperature 25±2°C. Results show that the friction coefficient of polymer decreases with the increasing of Banana Peel oil percentage in lubricant. 50% BP + 50% NCO lubricant provide a lot of changes in friction coefficient and wear behaviour to PVC and PMMA polymer. The lowest value of friction coefficient is shown by PVC which is 0.0351. It is also found that the wear rate decrease with the increase of percentage of Banana Peel oil in lubricants. Table 4-7, 4-8 and 4-9 shows the microscopic image of polymer’s wear behavior.

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