Aluminum marine anode with core activator

Details Aluminum marine anode with core activator Aluminum marine anode with core activator

1983-07-28

1984-08-28

Tung, T.

Chemistry: electrical and wave energy

Processes and products

Vacuum arc discharge coating

204286, 204297R, 339263R, C23F 1300

Patent

active

044683103

ABSTRACT:
An aluminum marine anode is constructed in association with exposed activator surfaces. The surfaces are preferably provided by casting the aluminum anode with a partially exposed core of activator material in place and suitably configurated to provide good conductive contact between the aluminum and the activator. Materials which exhibit a surface potential less negative than about -300 millivolts with respect to a silver-silver chloride half cell function as activators, copper being preferred. Aluminum alloyed with zinc and tin is the preferred anode material.

REFERENCES:
patent: 2910421 (1959-10-01), Sabins
patent: 3191140 (1965-06-01), Coldren
patent: 3232857 (1966-02-01), Caldwell
patent: 3553094 (1971-01-01), Scott
patent: 3870615 (1975-03-01), Wilson et al.
patent: 4191625 (1980-03-01), Sabins

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