Ingenious analysis on machining parameters of aluminium alloy (LM25)/graphite (Gr)/ boron carbide (B4C) hybrid composites using wire electrical discharge machining (WEDM)

In this current research, hybrid composites including Aluminium alloy (LM25), Graphite (Gr) and Boron carbide (B4C) were made-up using stir casting. The main focus f this research investigates the machining parameters pulse on, pulse off, current on the responses of Material removal rate, tool wear rate, and surface roughness while machining Aluminium alloy (LM25), Graphite (Gr) and Boron carbide (B4C) hybrid composites using Wire Electrical discharge machining (WEDM). Experimentation has been done on Taguchi's method L8 orthogonal array underneath dissimilar amalgamations of parameters. Analysis of variance (ANOVA) has been used to find out the design parameters significantly influencing the response. The influence of these parameters on the responses has been estimated using Signal to Noise (S/N) ration analysis. The experimental results projected optimal amalgamation of parameters which give the maximum material removal rate and minimum surface roughness. Finally, corroboration experiments were carried out to identify the effect of the projected method. Results of confirmation experiments for MRR and SR optimum values are 17.11 and 3.44 respectively. (C) 2020 Elsevier Ltd. All rights reserved.