An Experimental Investigation during Nano Finishing of Hybrid Al/(Al2O3+ZrO2)-MMC onDeveloped ECG Setup

This paper presents the influence of electrochemical grinding (ECG) process parameters on surface roughness height, R a during nano finishing of Hybrid Al/ (Al 2O3+ZrO 2) MMC. An electrochemical grinding (ECG) setup has been designed and fabricated. The fabricated ECG setup is utilized for experimental investigation. A metal bonded diamond grinding wheel is used to finish internal surface of cylindrical workpiece. Analysis of variance (ANOVA) is done to identify the most significant process parameters and percentage of contribution of each parameter on surface roughness height, Ra (µm). Test results prove that the surface roughness height, R a (µm) reduced from 1.40 µm to 96 nm. It reveals a considerable improvement in the surface finish R a.