Research Article
Optimization of Processing Parameters in ECM of Die Tool Steel Using Nanofluid by Multiobjective Genetic Algorithm
Table 2
Process parameters.
| Applied voltage (V) | 12, 15, and 18 | Interelectrode gap (mm) | 0.1 | Tool feed rate (mm/min) | 0.1, 0.21, 0.32, and 0.54 | Electrolyte discharge rate (lit/min) | 8, 10, and 12 | Selected electrolyte | 15% NaNO3 aqueous solution 40 g copper nanoparticles suspended in 15% NaNO3 aqueous solution | Tool-electrode condition | Stationary | Electrolyte temperature range (°C) | 30°–40° | Workpiece material with its hardness | HCHCr die steel—67 HRc | Machining time (min) | 3 |
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