Apparatus and process for producing copper-boron carbide composi

Details Apparatus and process for producing copper-boron carbide composi Apparatus and process for producing copper-boron carbide composi

1979-08-24

1981-02-10

Tufariello, T. M.

Chemistry: electrical and wave energy

Processes and products

204 3, 204 12, 204275, C25D 1500, C25D 1710, C25D 100

Patent

active

042499984

ABSTRACT:
A vertical electrolytic cell for producing a composite layer of boron carbide-filled copper by codeposition of copper and boron carbide particles. A metal substrate serving as a cathode is positioned below a copper anode in an electrolyte containing copper ions. Boron carbide particles are introduced beneath the copper anode, uniformly distributed in the electrolyte and allowed to settle onto the substrate surface while electroplating so that the particles become entrapped in a growing copper matrix. The preferred apparatus includes a plurality of stirrers. One feature of the preferred procedure is to introduce the total volume of boron carbide particles by adding a little at a time, shutting off the stirrers and plating through a settling layer of carbide particles before adding the next batch of particles.

REFERENCES:
patent: 779639 (1905-01-01), Case
patent: 3061525 (1962-10-01), Grazen
patent: 3537960 (1970-11-01), Esola

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