Abstract
Electrochemical Micromachining is a unique kind of non-traditional machining practice for the production of micro and nano features. This paper aims to measure and assess the performance and geometrical features of ECMM on SS304 alloy by influencing the effect of different types of electrolytes viz.; Passivating, Non-Passivating and Composite electrolyte (CPE). Material removal rate (MRR), circularity, conicity, and overcut are considered as the performance and geometrical features. Effects of input parameters are correlated to the performance of output responses. The results showed the composite electrolyte used to provide improved performance in MRR and geometric features in evaluation with passive and non-passive electrolytes. This paper deals with the modes Operandi of optimization with Technique for Order Preference by Similarity Ideal Solution approach (TOPSIS) for the multiresponse characteristics involved in ECMM process based on the Multi-Criteria Decision Making Methodology (MCDM). The results clearly specified voltage of 7 V, the feed rate of 0.5 mm/min and duty cycle of 0.7 with CPE as electrolyte displaying the optimal conditions and the parameter setting involved for the improvement of performance and hole geometrical characteristics in ECMM process.
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