Method for Cleaning Aluminum or Aluminum Alloy Surfaces
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United States of America Patent
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Feb 22, 2018
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Aug 8, 2016
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Abstract
A method for cleaning a surface of an aluminum or aluminum alloy body of coatings, contaminants, dirt, or the like by immersing the surface in a basic aqueous electrolyte containing carbonate ions, connecting the body directly to the negative terminal of a DC current source and flowing DC current through the body. After a time, the flow of DC current is stopped and the surface is removed from the electrolyte. The surface is then rinsed off to remove the coating, dirt, contaminants, or the like from the surface. The cleaned surface may be recoated for reuse of the body
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