Multiobjective Optimization of WEDM Parameters on the Mg-HNT-Zr Hybrid Metal Matrix Composite Using Taguchi-Coupled GRA

Table 4

Key features of selected WEDM machine.

S. No.	Parameters of WEDM	Range/values
1.	Discharge current	10 A
2.	Gap voltage	20 V
3.	Pulse ON time	10–12 μs
4.	Pulse OFF time	15–17 μs
5.	Wire material	Cu
6.	Wire diameter	0.25 mm
7.	Wire feed (WF)	4–6 m/min
8.	Wire tension	8 N
9.	Workpiece height	30 mm
10.	Dielectric fluid	Deionized water