Anodizing and duplex protection of aluminum copper alloys

Details Anodizing and duplex protection of aluminum copper alloys Anodizing and duplex protection of aluminum copper alloys

1993-03-22

1994-11-08

Niebling, John

Stock material or miscellaneous articles

Composite

Of metal

148275, 148272, 205 50, 205201, 205204, 205213, 205329, 205330, 205332, 205188, B32B 1504, B32B 1520

Patent

active

053625692

ABSTRACT:
Copper alloys of aluminum are afforded extended protection against surface corrosion by anodizing the aluminum surface to be protected, treating the surface with a heterocyclic aromatic azole treating agent having up to 16 carbon atoms before, during or after the anodizing step, and coating the treated surface after anodize with a fatty acid of 5 to 24 carbon atoms.

REFERENCES:
patent: 3716421 (1973-02-01), Burkhart et al.
patent: 5169458 (1992-12-01), Shulman et al.

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