PERFORMANCE MODELING OF DIAMOND TOOL DURING TURNING OF A356/SiC/10P METAL MATRIX COMPOSITE
Keywords:Metal Matrix Composites (MMC), Response Surface Methodology (RSM), Central Composite Design (CCD), Tool Wear (VBmax), Surface Roughness (Ra)
This paper presents a new approach of optimizing the machining parameters during machining of particulate aluminium metal matrix composite (PAMMC). In this work, based on face centered central composite design (CCD) involving 31 runs, machining experiments were conducted for 10%AlSiCp composites using PCD tipped turning tool. The machining parameters such as cutting speed (V), feed rate (f), depth of cut (d) and machining time (t) are optimized by multi-responses of flank wear (VBmax) and surface roughness (Ra). The contour plots were generated to study the effect of process parameters as well as their interactions. Based on composite desirability value, the optimum levels of parameters have been identified. Thus, the application of desirability function analysis proves to be an effective tool for optimizing the machining parameters during machining of 10%AlSiCp MMC.
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