Abstract

The utilization of metal matrix composite materials are increased enormously in many engineering fields because of many beneficial properties. Consequently, the need for precise machining of composites has also been improved. In this present study, efforts are made to investigate the effect of various parameters on multi-performance characteristics in turning of Al-SiC-Gr metal matrix composites. Taguchi design method was used to conduct experiments. The influence of cutting speed, feed rate, depth of cut and combined equal weight fraction of SiC-Gr on the response variable of surface finish, material removal rate of the work piece and flank wear of the tool are established. The significance of the parameters and its optimum level is determined for each individual response by using analysis of variance (ANOVA). The optimum machining parameters for multi-performance characteristics are also obtained by weighted grey relational approach. The confirmation experiment revealed that the selected optimal combination of process parameters is able to achieve desired performance characteristics.

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