Abstract
ABSTRACTThis study is performed to assess the drilling of silicon carbide (SiC) and boron carbide (B4C) particles reinforced with 6351 aluminum matrix. Stir cast specimens were prepared using an electrical resistance furnace, and the mechanical properties were revealed. Experiments were carried out with varying spindle speed, feed rate, and point angle to analyze the drill tool temperature, thrust force, and surface roughness. Analysis of variance (ANOVA) was performed to determine the significance and the percent of influence of each input process parameter on the quality response. The results show that the increasing spindle speed reduces the thrust force and surface roughness, but increases the tool temperature. Furthermore, the point angle tool of 90° reduced the thrust force significantly but negatively influenced the other output responses. The spindle speed contributes more to the thrust force and surface roughness by 63.53% and 44.01%, respectively, and the point angle contributes 48.88% to the tool temperature.
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