Removal of Machine Oil from Metal Surface by Mesoplasma Jet under Open Atmosphere
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概要
- 論文の詳細を見る
An attempt was made to employ the plasma-energized jet (PEN-jet) generated by pulsed arc discharge, one of the atmospheric-pressure mesoplasmas, for removal of machine oil from the surface of electrically-grounded aluminum (Al) alloy substrate under open atmosphere. Three types of nozzle configurations were examined; a metal nozzle, ceramic nozzle, and electrically-floated metal nozzle. Electric input power to the pulsed arc plasma discharge was 700 W constant. First, free-burning of the PEN-jet was observed as a function of air gas flow. When the PEN-jets were irradiated to the clean substrate, the PEN-jet with the metal nozzle caused substrate damage by the arc spot due to transferring arc discharge. Then the PEN-jet with the ceramic nozzle was irradiated to the oily substrate. The adhesion strength of sealant and water contact angle of the treated surface were then measured. As a result, these values of the oily substrate treated by the PEN-jet were almost the same as those of clean substrate. The treated surface was analyzed by Fourier transform infrared spectroscopy, Raman spectroscopy, and reflectance spectroscopy. Their spectral profiles clearly indicated oil removal from the surface by PEN-jet.
- 2009-08-25
著者
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OKAWA Takashi
Daiken Chemical Co.
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Oke Shinichiro
Department Of Electrical And Electronic Engineering Toyohashi University Of Technology
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Tsujii Kenichi
Department Of Internal Medicine And Molecular Science Osaka University Graduate School Of Medicine
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Takikawa Hirofumi
Department Of Electrical And Electronic Engineering Toyohashi University Of Technology
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Yamanaka Shigenobu
Daiken Chemical Co. Ltd
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Shiki Hajime
Department of Electrical and Electronic Engineering, Toyohashi University of Technology, Toyohashi 441-8580, Japan
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Suda Yoshiyuki
Department of Electric and Electronic Information Engineering, Toyohashi University of Technology, Toyohashi, Aichi 441-8580, Japan
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Yamanaka Shigenobu
Daiken Chemical Co., Ltd., 2-7-19 Hanaten-nishi, Joto, Osaka 536-0011, Japan
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Saito Haruki
Department of Electrical and Electronic Engineering, Toyohashi University of Technology, Toyohashi, Aichi 441-8580, Japan
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Suda Yoshiyuki
Graduate School of Information Science and Technology, Hokkaido University, North 14, West 9, Sapporo 060-0814, Japan
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Okawa Takashi
Daiken Chemical Co., Ltd., 2-7-19 Hanaten-nishi, Joto, Osaka 536-0011, Japan
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Tsujii Kenichi
Department of Electrical and Electronic Engineering, Toyohashi University of Technology, Toyohashi, Aichi 441-8580, Japan
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Takikawa Hirofumi
Department of Electric and Electronic Information Engineering, Toyohashi University of Technology, Toyohashi, Aichi 441-8105, Japan
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Takikawa Hirofumi
Department of Electrical and Electronic Engineering, Toyohashi University of Technology, Toyohashi, Aichi 441-8580, Japan
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