Electrolytically formed composite coatings

Details Electrolytically formed composite coatings Electrolytically formed composite coatings

1974-08-09

1976-09-21

Tufariello, T. M.

Chemistry: electrical and wave energy

Processes and products

204 43P, C25D 1500, C25D 312

Patent

active

039817814

ABSTRACT:
In a method for electrolytically forming on a metal surface a composite coating having improved hardness and wear resistance, a compound containing phosphorous is added into the plating electrolyte, with the phosphorous content being in a quantity of between about 0.1 to 4.2 g/l with minute particles of a required property suspended therein thereby to coprecipitate a nickel phosphide together with the minute particles, whereby the physical and chemical properties of the composite coating are remarkably improved.

REFERENCES:
patent: 2594933 (1952-04-01), Knapp et al.
patent: 2643221 (1953-06-01), Brenner et al.
patent: 3061525 (1962-10-01), Grazen

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