Abstract
Electrochemical machining is a nonconventional machining process in which the metal removal is achieved by the electricity and chemical solution known as an electrolyte. It is the reverse electrolysis process where the application of electricity facilitates the current travel in between anode and cathode. The mechanism of the ion movement is similar to the electrolysis process. Electrochemical machining (ECM) is a type of advanced machining process which employs electricity to perform the machining process on the workpiece. It is also known as a reverse electroplating process where metal removal is achieved instead of metal deposition on the metal surface. There are various parameters that affect the metal removal process in the ECM process, such as electrolyte, power supply, workpiece material, and tool material. The electrolyte is one of the key factors impacting the machining rate, surface finish, and reliability of the produced parts. In this project, a brief study is carried out regarding the electrochemical process and the electrolytes where the properties, functions, merits, and demerits are evaluated. The impact of the various electrolytes and their suitability for machining of various metals is also discussed. The findings of the effect produced by using the mixture of the electrolyte in the electrochemical machining process are discussed in this project. The effects of the complexing agents on the electrolyte and the electrochemical process as a whole are also reviewed.
Highlights
Electrochemical machining is a nonconventional machining process in which the metal removal is achieved by the electricity and chemical solution known as an electrolyte
Fan et al noticed that the mixture of the sodium chloride along with the HCl acid brought an increase in the electrolyte concentration, which lead to the machining overcut [23]. is indicates that the positive correlation of the mixed electrolyte with the concentration of the electrolyte helps to increase the machining rate
According to this research study, it is presented that different reviews and experiments in electrochemical machining are already conducted. e electrochemical process, including the importance of electrolytes in the machining process, is reviewed. e most important component of the Electrochemical machining (ECM) process, known as the electrolyte, is discussed in detail and the importance of the mixing of electrolytes is reviewed. e chemical properties and function of different electrolytes and the impact of passive films on the machining process are discussed
Summary
Electrochemical machining is a nonconventional machining process in which the metal removal is achieved by the electricity and chemical solution known as an electrolyte. Electrochemical machining is a modern and advanced metal removal technique that can produce metalworking for complex materials [1]. It is a very accurate machining process that can perform machining for any type of conductive workpiece. ECM process is the reverse electrolysis process where the application of electricity facilitates the current travel in between anode and cathode. Copper atoms in the impure anode material are dissolved and travel to the cathode terminal via the electrolyte solution. In the ECM process, the electrical conductivity of chemical electrolytes across the gap is considered to be constant. Should be able to take away the excess heat generated during the ECM process
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