Vibration Assisted Machining: Theory, Modelling and Applications
7. Finite Element Modeling and Analysis of Vibration-Assisted Machining
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The machining of new materials used in aerospace, defense, aeronautical, medical, and electronics industries, possessing wear resistance, high strength at elevated temperature, and resistance to chemical degradation creates enormous challenges for the researchers. The main obstacle in the commercialization of these materials is their poor machinability. Excessive tool wear, difficulty in chip formation, poor surface quality, high temperature, and/or cutting forces are the bottlenecks of conventional machining. Moreover, the low thermal conductivity, high specific heat, and high strain hardening in conjunction with chemical reactivity with most of the cutting tool materials also result in extreme difficulty in machining such advanced...