Abstract
Inconel 718 nickel superalloys' superior properties at elevated temperatures necessitate several applications in the aviation, marine, and automotive industries. However, the poor thermal conductivity and rapid strain hardening properties of Inconel 718 led to poor machinability and machined surface integrity. The main purpose of this study is to provide a comprehensive review concerning machining challenges and eco-friendly machining options of Inconel 718. This approach of green machining involves the minimized use of conventional lubricants, suitable cutting tools, and machining conditions that eventually reduce tool wear, cutting temperatures and improve the surface quality of the machined component. For this, the influence of various cooling techniques and machining environments on the machinability of Inconel 718 has been studied. The notable findings and conclusions provide a piece of considerable information regarding workpiece behavior, tool wear, cutting temperatures, and chip formation under state-of-art lubrication techniques towards sustainable machining together with the future direction.
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