METHOD FOR PERFORMING ELECTROPOLISHING TREATMENT ON ALUMINUM MATERIAL
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United States of America Patent
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Dec 29, 2016
app pub date -
Oct 31, 2014
filing date -
Dec 19, 2013
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Provided is a method of performing electropolishing treatment on an aluminum material, which is capable of easily producing an aluminum material having an excellent outer appearance with luster and uniformity on an industrial scale. The method of performing electropolishing treatment on an aluminum material includes immersing the aluminum material in an electrolytic treatment solution in an electrolytic treatment tank, and applying an electrolysis voltage through use of the aluminum material as an anode, to thereby perform electropolishing treatment on a surface of the aluminum material, the method including: performing, as pretreatment for the electropolishing treatment, anodic oxidation treatment; performing, during the electropolishing treatment, bubble-diffusion-preventing treatment; and performing, as post-treatment for the electropolishing treatment, film peeling treatment for an electropolishing film.
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