Material Removal Rate, Electrode Wear Rate, and Surface Roughness Evaluation in Die Sinking EDM with Hollow Tool through Response Surface Methodology
Figure 5
SEM micrograph: (a) Experiment number 3, at μs, μs, and A; (b) experiment number 17, at μs, μs, and A; (c) experiment number 13, at μs, μs, and A; and (d) experiment number 12, at μs, μs, and A.
