Review Paper on ECM, PECM and Ultrasonic Assisted PECM

This paper deals with overview of electrochemical machining process along with its principles. It is also focused on the literature survey to discuss various advantages, disadvantages and applications of ECM, PECM and Ultrasonic assisted PECM. Electrochemical and Pulse electro chemical machining processes have gained importance as major electro-machining processes with unique capabilities. These machining process offer a better alternative or sometimes the only alternative in generating accurate 3-D complex shaped macro, micro and Nano features and components of difficult-to-machine materials. Technological advances reported in ultrasonic assisted pulse electrochemical process, which reflect the state of the art in academic and industrial research and applications, are briefly reviewed in this paper. (C) 2017 Published by Elsevier Ltd.