Electrodeposition of refractory metal carbides

Details Electrodeposition of refractory metal carbides Electrodeposition of refractory metal carbides

1983-01-17

1984-02-07

Kaplan, G. L.

Chemistry: electrical and wave energy

Processes and products

C25D 366, C25D 908, C25D 910

Patent

active

044301707

ABSTRACT:
A refractory metal carbide coating is electrodeposited onto an object, us a bath containing an alkali fluoride melt, an alkali carbonate dissolved in the melt, a refractory metal-containing compound also dissolved in the melt, and an anode composed of that refractory metal. The object to be coated is immersed into the bath as the anode, and a voltage is applied until the coating obtains the desired thickness. By this process, coatings such as tungsten carbide and tantalum carbide having a desired stoichiometric composition may be deposited on the surface of an object.

REFERENCES:
patent: 2950233 (1960-08-01), Steinberg et al.
patent: 3589987 (1971-06-01), Gomes et al.
patent: 3887443 (1975-06-01), Komatsu et al.
patent: 3912827 (1975-10-01), Komatsu et al.
patent: 3979267 (1976-09-01), Townsend
patent: 4009086 (1977-02-01), Komatsu et al.

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