Amorphous Fe-Cr-P electroplating bath

Details Amorphous Fe-Cr-P electroplating bath Amorphous Fe-Cr-P electroplating bath

1987-06-29

1988-07-19

Kaplan, G. L.

Chemistry: electrical and wave energy

Processes and products

C25D 356

Patent

active

047583142

ABSTRACT:
A bath for the electrodeposition of corrosion-resistant, amorphous, Fe-Cr-P coatings comprising chromium sulfate, ferric ammonium sulfate, sodium hypophosphite, citrate ion, citric acid, boric acid and sodium, potassium, magnesium or ammonium sulfate to increase the conductivity of the bath.

REFERENCES:
P. K. Ng et al., The Electrochem. Soc. Extended Abstracts, vol. 85-2, 328 (1985).
L. Q. Feng et al., 8th Int. Cong. On Metallic Corrosion, v. I, p. 1121 (1981).
L. D. McGraw et al, Electrochemical Soc., 106, 302 (1959).
T. Hayashi et al., Plating Surf. Finish., 36 (1979).

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