IJAT Vol.9 No.4 pp. 396-402
doi: 10.20965/ijat.2015.p0396


Water Repellency Control of Oxygen-Free Copper Surface by Diamond-Cut Micro Grooves

Kazuma Asakura and Jiwang Yan

Department of Mechanical Engineering, School of Science and Technology, Keio University
3-14-1, Hiyoshi, Kohoku-ku, Yokohama, Kanagawa, Japan

January 19, 2015
May 18, 2015
July 5, 2015
ultraprecision cutting, water repellency, micro-structured surface, micro groove
Improving water repellency of a metal surface is required in a wide range of industrial applications. In this study, the water repellency control of an oxygen-free copper surface was attempted by generating micro V grooves on the surface by using ultraprecision cutting technology. The results showed that the maximum contact angle of a water drop on a micro V-grooved surface could be as high as approximately twice that of a flat surface. The contact angle depended strongly on the direction, depth, pitch of the grooves, and burr formation at the edges of the micro grooves. A method for controlling burr formation was proposed.
Cite this article as:
K. Asakura and J. Yan, “Water Repellency Control of Oxygen-Free Copper Surface by Diamond-Cut Micro Grooves,” Int. J. Automation Technol., Vol.9 No.4, pp. 396-402, 2015.
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