Abstract
Abstract Inconel 718 is one of the widely used material for combustion chamber of jet engine, Purpose of the study is to obtain an optimal setting of process parameters for single and multi-optimisation resulting in an optimal value of the material removal rate and tool wear rate by varying input parameter current, pulse on time pulse off time and gap voltage while EDM for Inconel 718 using copper cadmium as electrode Taguchi L9 array has been used to design the experiments, the results are further analyzed using MINITAB for single optimisation and MCDM technique named Preference Ranking Organization Method for Enrichment of Evaluations (PROMETHEE) to investigate the multi-optimization of response characteristics for Inconel 718.
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