Carbothermal method of producing cobalt-boron and/or nickel-boro

Details Carbothermal method of producing cobalt-boron and/or nickel-boro Carbothermal method of producing cobalt-boron and/or nickel-boro

1985-12-13

1986-11-18

Rosenberg, Peter D.

Specialized metallurgical processes, compositions for use therei

Processes

Electrothermic processes

420129, 75 82, C22B 400

Patent

active

046233865

ABSTRACT:
A method of making cobalt-boron and/or nickel-boron alloys in a low-shaft electrical furnace wherein the burden or charge has a height of at least 500 mm and at least a portion of its carbon carrier consists of wood chips which are carbonized to wood charcoal during the process so that the wood charcoal which is produced can adsorb volatilized boron compounds and tap them so that they do not escape. The volatilized boron compounds thus tapped are carried to the reduction zone by the wood charcoal so that a high yield is obtained and the product has a low aluminum content.

REFERENCES:
patent: 4484946 (1984-11-01), Ototani
patent: 4536215 (1985-08-01), Coad

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