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Analysis of machinable structures and their wettability of rotary ultrasonic texturing method
Chinese Journal of Mechanical Engineering volume 29, pages 1187–1192 (2016)
Abstract
Tailored surface textures at the micro- or nanoscale dimensions are widely used to get required functional performances. Rotary ultrasonic texturing (RUT) technique has been proved to be capable of fabricating periodic micro- and nanostructures. In the present study, diamond tools with geometrically defined cutting edges were designed for fabricating different types of tailored surface textures using the RUT method. Surface generation mechanisms and machinable structures of the RUT process are analyzed and simulated with a 3D-CAD program. Textured surfaces generated by using a triangular pyramid cutting tip are constructed. Different textural patterns from several micrometers to several tens of micrometers with few burrs were successfully fabricated, which proved that tools with a proper two-rake-face design are capable of removing cutting chips efficiently along a sinusoidal cutting locus in the RUT process. Technical applications of the textured surfaces are also discussed. Wetting properties of textured aluminum surfaces were evaluated by combining the test of surface roughness features. The results show that the real surface area of the textured aluminum surfaces almost doubled by comparing with that of a flat surface, and anisotropic wetting properties were obtained due to the obvious directional textural features.
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Supported by Japan Society for the Promotion of Science (Grant Nos. 14J04115, 16K17990)
XU Shaolin, born in 1985, is currently an assistant professor at Division of Biomechanical Engineering, Graduate School of Biomedical Engineering, Tohoku University, Japan. He received his PhD degree from Tohoku University, in 2015. His research interests include ultrasonic assisted machining, laser assisted machining, nanofabrication and its biomedical applications.
SHIMADA Keita, born in 1985, is currently an assistant professor at Department of Mechanical Systems Engineering, Graduate School of Engineering, Tohoku University, Japan. He received his PhD degree from Tohoku University, in 2012. His research interests include grinding, ultrasonic machining and laser machining.
MIZUTANI Masayoshi, born in 1979, is currently an associate professor at Department of Mechanical Systems Engineering, Graduate School of Engineering, Tohoku University, Japan. He received his PhD degree from Keio University, Japan, in 2006. His research interests include laser process, biomaterials, biomimetic surfaces and their biomedical applications.
KURIYAGAWA Tsunemoto, born in 1957, is currently a professor at Division of Biomechanical Engineering, Graduate School of Biomedical Engineering, Tohoku University, Japan. His research interests include nano-precision mechanical manufacturing, micro/meso mechanical manufacturing (M4 Processes), powder jet processing and creation of functional interface.
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Xu, S., Shimada, K., Mizutani, M. et al. Analysis of machinable structures and their wettability of rotary ultrasonic texturing method. Chin. J. Mech. Eng. 29, 1187–1192 (2016). https://doi.org/10.3901/CJME.2016.0910.112
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DOI: https://doi.org/10.3901/CJME.2016.0910.112