Electric discharge machining Electric discharges 5 Surface roughness 3 'Dry' [ 2 Electrical discharge machining 2 Alumina 1 Aluminum oxide 1 Analysis of variance (ANOVA) 1 Argon 1 Argon gas 1 Ball bearings 1 Bearing currents 1 Capacitance 1 Carbon nanofibers 1 Carbon nanofibres 1 Condition 1 Contour method 1 Couplings 1 Dielectric materials 1 EN31 1 Eigenstrain contour method 1 Eigenstrain distributions 1 Electric discharge machining (EDM) 1 Electric lines 1 Electrical discharge machining bearing current 1 Electrical machine 1 Electrodes 1 En31 1 End windings 1 Environmental impact 1