Research Article
Grinding Parameter Optimization of Ultrasound-Aided Electrolytic in Process Dressing for Finishing Nanocomposite Ceramics
Table 1
Relevant parameters.
| | Objects | Parameters | Value |
| | Workpiece | Material | Nano-zirconia toughened alumina nanocomposite ceramic | | Density (ρ) | 4.9 g/cm3 | | Fracture toughness () | 7.9 Mpa·m1/2 | | Vickers hardness () | 10.9 Gpa | | Elasticity modulus | 315 Gpa | | Poisson’s ratio | 0.3 | | Average grain size | 50 nm | | Inner diameter () | 35 mm |
| | Wheel | Material | Cast iron bond diamond wheel | | Concentration | 100% | | Model | W40 | | Outer diameter () | Φ25 mm | | Width | 17 mm | | Half taper angle (θ) | 60° |
| | Grinding parameters | Wheel speed () | 1.3 m/s–5.2 m/s | | Workpiece speed () | 0.28 m/s–0.5 m/s | | Axial feed velocity () | 1 mm/s-2 mm/s | | Grinding depth () | 1 μm/pass–7 μm/pass | | Ultrasonic frequency () | 35000 Hz | | Ultrasonic amplitude () | 10 μm |
|
|
