Surface treatment of metals

Details Surface treatment of metals Surface treatment of metals

1976-03-01

1978-10-17

Edmundson, F.C.

Chemistry: electrical and wave energy

Processes and products

204147, C25D 322, C25D 700, C23F 1400, C23F 1500

Patent

active

041207602

ABSTRACT:
In forming a protective coating of zinc on metal surface of iron, steel, copper or the like, a neutral solution containing a zinc compound is deoxidized and, making the metal immersed therein or in contact therewith the cathode of a cell, a current is passed therethrough to cause deposition of zinc on the metal surface. The metal to be protected may, for example, be in the form of a metal structure, as a ballast tank or condenser of a ship.

REFERENCES:
patent: 921641 (1909-05-01), Cumberland
patent: 1012665 (1911-12-01), Lemetre
patent: 2965551 (1960-12-01), Richaud
patent: 3470074 (1969-09-01), Schick

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