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Table 3 Grinding wheel specifications, dressing and other parameters used in experiments

From: Processing of Al2O3–SiCw–TiC ceramic composite by powder mixed electric discharge grinding

Grinding wheel specification

Parameters kept constant during PMEDG processing

 Wheel diameter

100 mm

Polarity

Negative

 Wheel bonding

Bronze

Gap voltage

70 V

 Abrasive grit size

#800 mesh

Discharge current

4 A

 Wheel thickness

20 mm

Dielectric

Kerosene

Parameters for wheel dressing

 Pulse peak current

6 A

Duty ratio

0.56

 Pulse on time

200 μs

Wheel speed

3.93 m/min