Tribology Online
Online ISSN : 1881-2198
ISSN-L : 1881-218X
Short Communication
Friction Reduction of Palm Kernel Activated Carbon Polymer Composite by Lubricant Impregnation
Hilmi AmiruddinMohd Fadzli Bin AbdollahMaziah Ibrahim
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2019 Volume 14 Issue 5 Pages 411-416

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Abstract

The purpose of this research is to propose a technique for friction reduction of palm kernel activated carbon (PKAC) polymer composite by palm oil, paraffin oil and water impregnations. A biocomposite sample formed by mixing epoxy and PKAC was made using the method of powder metallurgy. Before test of dry sliding, the sample was impregnated with palm oil, paraffin oil, and water for about 1–8 days. The test of dry sliding was then conducted at room temperature and by applying constant load, sliding distance and sliding speed. The test of sustainability for checking the biocomposite’s ability of maintaining the lubricant was also carried out without any more impregnation. A considerable amount of friction of lubricant-impregnated PKAC composite is reduced although there is increases in residual depth due to plastic deformation in comparison to the sample devoid of any impregnation. Water impregnation caused an unexpected rise in the coefficient of friction within the initial few hours following which it became comparatively steady. The sample impregnated with palm and paraffin oils can soak up the lubricant and sustain it for some time prior to the subsequent inflow. More decrease on the coefficient of friction and residual depth were noticed when the soaking time was raised. Besides, no wear is observed on the surface of all samples impregnated with palm oil. Thus, the application of bio-based lubricant to obtain an improved performance in comparison to the synthetic oil is more worthwhile.

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© 2019 by Japanese Society of Tribologists
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