Processing for corrosion resistance in aluminum base alloys cont

Details Processing for corrosion resistance in aluminum base alloys cont Processing for corrosion resistance in aluminum base alloys cont

1977-03-04

1978-03-14

Dean, R.

Metal treatment

Compositions

Heat treating

148 115A, C22F 104

Patent

active

040789462

ABSTRACT:
A method for increasing the corrosion resistance of aluminum base alloys is disclosed. The alloys contain up to 2.0% by weight zinc, up to 5.0% by weight magnesium, less than 0.1% by weight iron, elements selected from the group consisting of cadmium, tin and lead, or any combination thereof, in amounts ranging from 0.05 to 0.3% by weight for each of cadmium and tin and from 0.01 to 0.15% by weight for lead, balance aluminum. These aluminum base alloys are particularly useful as anode material for primary electric cells. The aluminum alloys reduce the incidence of hydrogen gas evolution within the cells. The aluminum base alloys may also be utilized as anode material for uses other than primary cells.

REFERENCES:
patent: 3180728 (1965-04-01), Pryor et al.

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