Method for electrodeposition of chromium and bath therefor

Details Method for electrodeposition of chromium and bath therefor Method for electrodeposition of chromium and bath therefor

1978-04-21

1979-05-29

Kaplan, G. L.

Chemistry: electrical and wave energy

Processes and products

C25D 304

Patent

active

041566343

ABSTRACT:
A wear-resistant article comprises a zinc base metal having a substantially continuous, hard chromium skin layer on at least one surface thereof and a chromium-enriched subsurface layer of the zinc base metal situated immediately below the chromium skin layer. The chromium-enriched subsurface layer has a gradually decreasing chromium content in a direction inwardly away from the skin layer and is at least as thick as the skin layer. The wear-resistant article of this invention is produced by direct electrodeposition of chromium onto the zinc base metal from a self-regulating bath under controlled conditions.

REFERENCES:
patent: 1795481 (1931-03-01), Eaton
patent: 1922853 (1933-08-01), Kissel
patent: 2063197 (1936-12-01), Schneidewind
patent: 2182244 (1939-12-01), Beall
patent: 2415724 (1947-02-01), Beall
patent: 3457147 (1969-07-01), Dettner

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