ABSTRACT
Recent developments in materials research have opened a plethora of challenges for their fabrication in various areas, such as the medical, aerospace, defense, and automotive fields. Machining micro-features in non-conducting materials is a very challenging task using traditional machining processes owing to its high hardness property. Micro-Electrochemical-dischargemachining (µ-ECDM) is a hopeful way to overcome these challenges 86since a few unconventional micro-machining processes are unsuitable for non-conducting materials. µ-ECDM process involves spark generation in the electrolyte between the auxiliary electrode and tool electrode. These discharges contribute to material erosion, melting, and chemical etching of the workpiece, which helps in improving material removal. This chapter includes micromachining of glasses and ceramic materials which have been subjected to µ-ECDM process variants such as gravity feed, traveling wire, Vibro-rotary, and magnetic field effect to investigate the responses like material removal rate (MRR) primarily, surface finish, tool wear rate, diametric overcut (DOC), heat-affected zone, and other qualitative parameters during micro-features generation on non-conducting materials.
