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Table 12 Confirmation test and comparison with the results

From: Parametric optimization of powder mixed electrical discharge machining for nickel-based superalloy inconel-800 using response surface methodology

Machining Conditions MRR (mm3/min) TWR (mm3/min)
S. No Current, A (amp) Ton, B (μs) Toff, C (μs) Tool material Powder Exp. value Predicted value Error (%) Exp. value Predicted value Error (%)
1 4 90 60 Cu-Cr Co 4.35 3.93 9.88 0.017 0.016 5.88
2 8 60 45 Cu WC 13.29 14.41 -8.42 0.024 0.026 -8.33
3 12 120 45 Gr Co 35.79 35.34 1.25 0.28 0.25 8.57