Table 12 Verified experimental outcomes and enhanced data.
Confirmatory experiment number | Response measures | DOE data | NSGA-II data | % Improvement from DOE results |
|---|---|---|---|---|
Un-optimized response value | Optimized settings response values | |||
NT Brass electrode | ||||
CEXP 1 | MRR (mm3/min) | 1.98 | 8.10 | 76.29% |
CEXP 2 | 8.80 | 77.50% | ||
CEXP 3 | 8.90 | 77.75% | ||
CEXP 1 | SR (µm) | 6.1 | 4.16 | 31.80% |
CEXP 2 | 4.29 | 29.67% | ||
CEXP 3 | 4.48 | 26.55% | ||
CEXP 1 | SEC (kJ/mm3) | 8.53 | 4.86 | 43.02% |
CEXP 2 | 5.24 | 38.56% | ||
CEXP 3 | 6.63 | 22.27% | ||
CT Brass electrode | ||||
CEXP 1 | MRR (mm3/min) | 4.08 | 10.54 | 61.29% |
CEXP 2 | 10.82 | 62.29% | ||
CEXP 3 | 11.60 | 64.82% | ||
CEXP 1 | SR (µm) | 5.1 | 3.70 | 27.45% |
CEXP 2 | 4.08 | 20.00% | ||
CEXP 3 | 4.2 | 17.64% | ||
CEXP 1 | SEC (kJ/mm3) | 6.93 | 3.70 | 46.60% |
CEXP 2 | 4.13 | 40.40% | ||
CEXP 3 | 6.50 | 6.20% | ||
