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Appl. Sci. 2018, 8(7), 1060; https://doi.org/10.3390/app8071060

Study on Cleaning the Surface of Stainless Steel 316 Using Plasma Electrolysis Technology

1
Department of Mechanical Engineering, Cheng Shiu University, Kaohsiung 83347, Taiwan
2
Department of Mechanical Engineering, National Kaohsiung University of Science and Technology, Kaohsiung 80778, Taiwan
3
Department of Electrical Engineering, Cheng Shiu University, Kaohsiung 83347, Taiwan
*
Authors to whom correspondence should be addressed.
Received: 30 May 2018 / Revised: 20 June 2018 / Accepted: 27 June 2018 / Published: 29 June 2018
(This article belongs to the Special Issue Selected Papers from IEEE ICASI 2018)
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Abstract

This research utilizes a plasma electrolysis technique to clean the surface of stainless steel 316. The resulting microstructure enhances the self-cleaning properties of the stainless steel surface. The position of the cathode electrode is varied to enlarge the total surface being processed and achieves a uniform processing surface. We propose a self-made plasma electrolysis reaction system supplemented with a 3-axis platform to control the speed at which the cathode electrode moves. The electrolyte is an aqueous solution of sodium bicarbonate (NaHCO3) and water. We obtain the optimal parameters for applied voltage, moving speed of the specimen at the cathode, and electrode distance using a one-factor-at-a-time experimental approach to achieve uniform distribution of the surface microstructure. We then observe and measure surface micrographs showing the surface roughness of the specimens after experiments, using a scanning electron microscope (SEM) and an atomic force microscope (AFM). The contact angle is experimentally proven to be greater than 100°, indicating that the surface is hydrophobic. View Full-Text
Keywords: plasma electrolytic technology; cleaning surface; contact angle; stainless steel plasma electrolytic technology; cleaning surface; contact angle; stainless steel
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This is an open access article distributed under the Creative Commons Attribution License which permits unrestricted use, distribution, and reproduction in any medium, provided the original work is properly cited. (CC BY 4.0).
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Lin, A.-D.; Kung, C.-L.; Hsieh, W.-C.; Hsu, C.-M.; Chen, C.-Y. Study on Cleaning the Surface of Stainless Steel 316 Using Plasma Electrolysis Technology. Appl. Sci. 2018, 8, 1060.

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