Process for chemically treating aluminum work pieces

Details Process for chemically treating aluminum work pieces Process for chemically treating aluminum work pieces

1991-10-11

1993-01-05

Silverberg, Sam

Metal treatment

Process of modifying or maintaining internal physical...

Processes of coating utilizing a reactive composition which...

148261, 148270, 148275, C23C 2206

Patent

active

051767619

ABSTRACT:
Surfaces of structural components made of aluminum or aluminum alloys are chemically treated to produce an aluminum oxide coating for improved adhesive bonding to other components or to other surface layers. The oxidizing is accomplished by exposing the surface to be oxidized to a combination bath of an inorganic mineral acid and an oxidation medium for a specific time duration, so that an oxide coating is produced on the surface of the structural components, as a prerequisite for a good adhesion stability of adhesive bonds to be formed after oxidizing.

REFERENCES:
patent: 2409271 (1946-10-01), Goldowski

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