ABSTRACT
Manufacturing operations are the major contributor to the development of any product or part; however, these manufacturing industries are also major sources of pollution. Machining processes are vital processes to be used in industries and they consume a significant amount of natural resources and energies globally. Moreover, the usage of cutting fluids not only enhances the production cost but also negatively impacts the machining operator and environment. Consequently, sustainable manufacturing has become a global priority in response to environmental challenges and the depletion of natural resources. Various efforts have been made during the machining process to minimize those challenges such as dry machining, minimum quantity lubrication (MQL), cryogenic machining, and hybrid machining processes. Among all these advancements, hybrid machining processes have gained significant importance due to the utilization of various energies during the machining process. Ultrasonic vibration and thermal energies are the most commonly utilized energies during the machining process. Utilization of these energies has shown improved machining performance during the machining process, especially without using any cutting fluids. Additionally, both ultrasonic vibration and thermal energies have also been utilized simultaneously during the machining performance, and improved machining performance has been obtained compared to conventional machining process.
