Frictional characteristics of laser surface textured activated carbon composite derived from palm kernel
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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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