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MICROCRYSTALLINE ANODIC COATINGS AND RELATED METHODS THEREFOR

  • US 20110284381A1
  • Filed: 05/19/2010
  • Published: 11/24/2011
  • Est. Priority Date: 05/19/2010
  • Status: Active Grant
First Claim
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1. A method of producing an anodized aluminum substrate having structures of at least one of partially microcrystalline aluminum oxide and partially microcrystalline aluminum hydroxide from an aluminum substrate having cells with micropores and walls of at least one of amorphous aluminum oxide and amorphous aluminum hydroxide, comprising:

  • introducing a metal cationic species into at least a portion of the micropores;

    converting at least a portion of the metal cationic species into a metal hydroxide;

    converting at least a portion of the metal hydroxide into a metal oxide; and

    converting at least a portion of the walls of at least one of amorphous aluminum oxide and amorphous aluminum hydroxide into structures of at least one of partially microcrystalline aluminum oxide and partially microcrystalline aluminum hydroxide.

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