A study surface integrity of aluminum hybrid composites during milling operation

In this article, the effects of machining parameters on surface roughness and cutting force on hybrid aluminum metal matrix composites were investigated. Three reinforced composites were made by adding three compositions of SiC and boron carbide (B4C) by stir-casting method. Machining was performed on fabricated composite material using milling operation with different cutting parameters. The roughness of the machined surfaces was determined by the Mitutoyo Surftest SV-2100 Column-type surface roughness tester. Cutting forces in the y-direction was measured. Further, the results were optimized and analyzed by Taguchi method. The obtained experimental results demonstrate that the most important machining parameters are feed rate, cutting speed and depth of cut on surface roughness, and cutting force.