Abstract
Roller burnishing involves plastic deformation by pressing a hard roller against the workpiece. The number of passes, rotational speed of the workpiece and type of lubricant were taken as input parameters. Its effect on surface roughness and surface hardness during burnishing of Al(SiC)p workpiece material was studied. Titanium aluminium nitride (TiAlN) coating was given to the WC rollers with PVD coating and its effects were studied. Roller burnishing of Al(SiC)p MMC can reduce the surface roughness up to 78.84 % and increase surface hardness up to143.4 %. Based on the extrapolated results it is noted that coated rollers under dry conditions produce low surface finish and high hardness.
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