Journal
MATERIALS TODAY-PROCEEDINGS
Volume 18, Issue -, Pages 3109-3115Publisher
ELSEVIER
DOI: 10.1016/j.matpr.2019.07.184
Keywords
TOPSIS; small hole EDM; Ti-6Al-4V; MRR; TWR and OC
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The current study deals with electric discharge machining (EDM) of Ti-6Al-4V using brass tube electrode. The goal is to perform multi-objective optimization on the effect of process parameters namely current, capacitance, on-time and off-time to determine the response characteristics such as material removal rate, tool wear rate and overcut. The experiments layout was planned using RSM-CCD. The multi-objective optimization method, the Technique for Order of Preference by Similarity to Ideal Solution is pertained in the current study. The results authenticate that using a TOPSIS, the MRR of 3.6996 mm(3)/sec, TWR of 0.0625 mm/sec and OC of 0.33 mm have been achieved. (C) 2019 Elsevier Ltd. All rights reserved.
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