Frictional characteristics of laser surface textured activated carbon composite derived from palm kernel
This prospective study was designed to investigate the effect of sliding speed and load on the frictional characteristics of laser surface texturing of activated carbon composite derived from palm kernel. A dimple form was textured on the composite disc surface using laser surface texturing machine. The sliding test was conducted on both the textured and non-textured surfaces of the composite disc by using a ball-on-disc tribometer under lubricated conditions. Regardless of the surface topography, the friction coefficient increases with applied loads and decreases with increasing sliding speeds. However, the textured surface shows a lower friction coefficient as compared to the non-textured surface, particularly at higher sliding speed.
KeywordsActivated carbon composite Laser surface texturing Friction coefficient Sliding speed Applied load
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The authors gratefully acknowledge contributions from the members of the Green Tribology and Engine Performance (G-TriboE) research group. This research is supported by the grant from the Ministry of Higher Education Malaysia (grant number: FRGS/1/2016/TK10/FKM-CARE/F00315) and Universiti Teknikal Malaysia Melaka (grant number: PJP/2014/FKM(9A)/S01326).
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