C - Chemistry – Metallurgy – 25 – D
Patent
C - Chemistry, Metallurgy
25
D
C25D 11/12 (2006.01) C23F 11/00 (2006.01) C25D 11/04 (2006.01) C25D 11/06 (2006.01) C25D 11/08 (2006.01) C25D 11/10 (2006.01)
Patent
CA 2491095
Structural components made of aluminum and aluminum alloys are anodized in two sequential steps in two different electrolytes. The first electrolyte is a mixed acid of two inorganic acids such as a phosphoric-sulfuric acid mixture. The second electrolyte is a further acid mixture of an organic acid and an inorganic acid to form a tartaric sulfuric acid mixture. The two sequential anodizing steps result in a surface texture that has three excellent surface characteristics simultaneously, namely: a corrosion resistance, a coating acceptance for lacquer coatings and an adhesive bonding with other aluminum materiel components.
Beneke Martin
Gerlach Carmen
Kock Erich
Beneke Martin
Gerlach Carmen
Gowling Lafleur Henderson Llp
Kock Erich
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