Technological Innovations in Machining of Inconel 718: A State of the Art

Vivek Aggarwal, Rajiv K. Garg and Sehijpal Singh Khangura
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Vivek Aggarwal: Dr. B.R. Ambedkar National Institute of Technology, Punjab, India
Rajiv K. Garg: Dr. B.R. Ambedkar National Institute of Technology, Punjab, India
Sehijpal Singh Khangura: Guru Nanak Dev Engineering College, Punjab, India

International Journal of Manufacturing, Materials, and Mechanical Engineering (IJMMME), 2015, vol. 5, issue 2, 17-43

Abstract: In this paper, a thorough review has been presented on the latest research work carried out for the enhancement of machining performance of one of the most commonly used superalloys that is, Inconel 718. The thermal energy has been frequently utilized for improving machinability characteristics of Inconel 718. The review of available literature indicates that plasma, laser, and electric discharge have been the major sources used for the enhancement of tool life, material removal rate, surface integrity, and reduction of cutting forces during machining of Inconel 718. However, a very few efforts have been made as regards to the use of wire electrical discharge machining and other energies like mechanical, electrochemical, and chemical for machining of this material. Moreover, the reported work on machining of Inconel 718 is largely focused on drilling operations. There is ample scope for research work on various other machining operations using alternative energies to gain more insight into machining of Inconel 718 and other similar superalloys.

Date: 2015
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