Abstract
Surface texture technology is a useful method for controlling the wettability. In this paper, ultrasonic-assisted face turning is implemented to create a microscaled texture on the flat faces. The effect of process parameters on the wettability of untextured and textured patterns is investigated by the full factorial method. Experimental results showed that the ultrasonic-assisted face turning is an effective method to create microdimples (periodic ripples) on the flat faces. Considered factors are turning (cutting speed, feed) and ultrasonic (vibration direction and vibration amplitude) parameters, which control the configuration and dimensions of microstructures. Surfaces machined by ultrasonic-assisted face turning have more liquid–solid interfacial areas compared with those processed by conventional turning. By changing the process parameters, expansion of microdimples in the cutting direction changes, hence the ratio between the interfacial and projected area and adsorption between the surface and water increases. So, textured surfaces by the ultrasonic-assisted face turning have better wettability performance in comparison to the untextured surfaces.
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Schedule a callMore From: Proceedings of the Institution of Mechanical Engineers, Part J: Journal of Engineering Tribology
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