Chemistry: electrical and wave energy – Processes and products
Patent
1980-02-05
1982-02-02
Kaplan, G. L.
Chemistry: electrical and wave energy
Processes and products
204 43Z, 204206, C25D 356, C25D 504
Patent
active
043138020
ABSTRACT:
A method of plating steel strip with a zinc-nickel alloy in an acidic bath, comprises continuously passing the steel strip through the electrolytic plating bath under the conditions that the concentration of Ni.sup.2+ is kept at a level of 20 g/l or more and the concentration of Zn.sup.2+ at a level of 10 g/l or more and the molar ratio of Ni.sup.2+ /Zn.sup.2+ is restricted to a range of from 1.5 to 4.0 with the speed of passage of the steel strip through the electrolyte relative to the counter-current flow of the electrolyte kept at 10-200 m/min.
REFERENCES:
patent: 2419231 (1947-04-01), Schantz
patent: 2844530 (1958-07-01), Wesley et al.
patent: 2989446 (1961-06-01), Hammond et al.
patent: 3865701 (1975-02-01), Borgmann
patent: 3989604 (1976-11-01), Austin
Frederick A. Lowenheim, "Modern Electroplating", pp. 468-470, (1963).
Kurimoto Tatsuo
Shibuya Atsuyoshi
Kaplan G. L.
Sumitomo Metal Industries Ltd.
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