Abstract
Ultrasonic-vibration-assisted milling is a variant of conventional milling process. In this study, experimental investigations were carried out to evaluate the effect of process parameters on the average surface roughness of machined surface (of Al6063 alloy). The results were evaluated to understand the effect of process parameters and are explained using the physics of the process. The effect of ultrasonic amplitude on frictional and wettability property of machined bottom surface was also evaluated. With the increase in power of ultrasonic vibration, the surface roughness increased; however, the friction of lubricated machined surface decreased while sliding on a mild steel surface. With the increase in ultrasonic power, the wettability of the surface increased resulting in a better lubrication and consequent reduction of friction.
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