Process for the treatment of metal surfaces by electro-depositio

Details Process for the treatment of metal surfaces by electro-depositio Process for the treatment of metal surfaces by electro-depositio

1975-12-08

1978-05-30

Kaplan, G. L.

Chemistry: electrical and wave energy

Processes and products

204DIG9, C25D 304, C25D 310

Patent

active

040922260

ABSTRACT:
A method of electroplating a crack-free hard chromium deposit comprises having present in the electroplating bath a complex halogen-containing compound which disassociates in an aqueous solution while maintaining the bond of a halogen in the complex. A plating voltage is used which periodically superimposes high voltage pulses on the base voltage.

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patent: 3886053 (1975-05-01), Leland
John L. Griffin, Plating, pp. 196-203, Feb. 1966.
J. C. Saiddington et al., Plating, pp. 923-930, Oct. 1974.

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