Vacuum processing of particulate reactive metal

Details Vacuum processing of particulate reactive metal Vacuum processing of particulate reactive metal

1991-12-16

1992-12-15

Rosenberg, Peter D.

Specialized metallurgical processes, compositions for use therei

Processes

Electrothermic processes

75640, 75645, 266168, C22B 400

Patent

active

051713578

ABSTRACT:
In the particular embodiments described in the specification, a vacuum furnace includes a hearth having a melting region and a refining region and a particulate metal supply tube for conveying particulate metal to one side of the melting region. Three water-cooled shield members surround the other sides of the melting region so that metal ejected from the particulate metal deposited in the melting region by explosive vaporization of inclusions in the metal is intercepted by the shield members.

REFERENCES:
patent: 2734244 (1956-02-01), Herres
patent: 3101515 (1963-08-01), Hanks
patent: 3771585 (1973-11-01), Ulrich
patent: 4571259 (1986-02-01), Fey

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