Aluminum alloy member and method for manufacturing same
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United States of America Patent
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Nov 19, 2013
Grant Date -
Jan 17, 2013
app pub date -
Sep 15, 2012
filing date -
Aug 6, 2008
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Abstract
An aluminum alloy member includes a main body including an aluminum alloy serving as a base material, and an electrolytic oxidation ceramic coating coated at a portion of a surface of the main body and including a most outer layer and an inner layer which is arranged close to the main body relative to the most outer layer, the inner layer in which an aluminum oxide is richer than the most outer layer, the most outer layer in which a volume of a titanium oxide or a total volume of the titanium oxide and a zirconium oxide is richer than the inner surface.
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