Method of determining corrosion resistance of anodized aluminum

Details Method of determining corrosion resistance of anodized aluminum Method of determining corrosion resistance of anodized aluminum

1977-09-27

1979-01-30

Reese, Robert M.

Chemistry: physical processes

Physical processes

Crystallization

G01N 718, G01N 1700, G01N 3320

Patent

active

041370473

ABSTRACT:
Chromic acid anodized aluminum is placed in an enclosed container and covered with an aqueous alkali metal hydroxide solution. The rate of formation of hydrogen gas generated by the chemical interaction of the aluminum and the hydroxide determines corrosion resistance of the anodic film.

REFERENCES:
patent: 2827724 (1958-03-01), Edds
patent: 2902348 (1959-09-01), Ostrander

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