Abstract
In the Al6061 matrix composite, 15% weight percent of lanthanum phosphate (LaPO4) is added as a reinforcement to prepare a composite material. The composite is fabricated using a 2-Stage stir casting process. The machinability characteristic of the fabricated composite is measured using abrasive water jet machine at varied machining conditions. Water pressure, Stand-off distance and cutting speed are taken as dependent response to measure the kerf angle and surface finish. Water pressure and the cutting speed show a significant impact on kerf taper angle and surface profile roughness with a contribution of 40%. The effect of soft ceramic, LaPO4 in the matrix has low significance as it is easily removed with the cutting conditions and the influence caused by LaPO4 on kerf angle and surface finish is considerably low compared to other hard ceramic reinforcements.
Published Version
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