Table 2.
Details of machining parameters and cooling environment conditions.
| Category | Specification | |
|---|---|---|
| Machine tool | HMT® Starturn center lathe | |
| Workpiece Material and dimension | Nimonic 80 Ø 50 × 500 mm | |
| Cutting tool insert | PVD-TiAlN-coated carbide inserts CNMG120408 | |
| Cutting speed, νc (m/min) | 100, 150 | |
| Feed rate, f (mm/rev) | 0.10 | |
| Depth of cut, аp (mm) | 0.5 | |
| Machining conditions | Symbol | Cutting condition |
| C1 | Dry | |
| C2 | Flood cooling | |
| C3 | Vegetable oil-based MQL | |
| C4 | Vegetable oil-based nMoS2 MQL | |
| C5 | Hybrid vegetable oil-based nanofluid-MQL | |
| C6 | LCO2 | |