Abstract

This study demonstrates a novel hybrid surface polishing process combining non-traditional electrochemical polishing (ECP) with external artificial ultrasonic vibration. ECP, typical non-contact surface polishing process, has been used to improve surface quality without leaving any mechanical scratch marks formed by previous mechanical processes, which can polish work material by electrochemical dissolution between two electrodes surfaces. In recent paper, ECP using ultrasonic vibration have demonstrated surface improvement. This study verifies improved results than conventional ECP for additional experiments to vibration electrochemical polishing (VECP) using ultrasonic vibration. The localized roughness of work material is measured by atomic force microscopy (AFM) and scanning electron microscopy (SEM) for detailed information on surface. Besides roughness, overall surface quality, material removal rate (MRR), and productivity etc. are compared with conventional ECP.

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