Process for making an adhesively bonded aluminum article

Details Process for making an adhesively bonded aluminum article Process for making an adhesively bonded aluminum article

1989-12-26

1992-07-21

Niebling, John

Electrolysis: processes, compositions used therein, and methods

Electrolytic coating

Forming nonelectrolytic coating after forming nonmetal...

156151, 156DIG61, 205224, 205325, C25D 1108

Patent

active

051319870

ABSTRACT:
Disclosed is a process for anodically oxidizing aluminum alloy surfaces as a pretreatment for structural adhesive bonds or laminates. The process is comprised of anodically oxidizing aluminum and its alloys in phosphorous acid containing electrolyte to form a porous film comprised of Al, O and P. This film provides a very effective substrate for adhesively bonding aluminum articles and laminates.

REFERENCES:
patent: 3013904 (1961-12-01), Cupery
patent: 3799848 (1974-03-01), Kolic et al.
patent: 4025681 (1977-05-01), Donnelly et al.
patent: 4085012 (1978-04-01), Marceau et al.
patent: 4127451 (1978-11-01), Marceau et al.
patent: 4308079 (1981-12-01), Venables et al.
patent: 4604341 (1986-08-01), Mohr

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