Method for treating reactive metals in a vacuum furnace
Patent
·
OSTI ID:4014073
The invention is directed to a method for reducing the contamination of reactive metal melts in vacuum furnaces due to the presence of residual gaseous contaminants in the furnace atmosphere. This reduction is achieved by injecting a stream of inert gas directly over the metal confined in a substantially closed crucible with the flow of the gas being sufficient to establish a pressure differential between the interior of the crucible and the furnace atmosphere.
- Research Organization:
- Originating Research Org. not identified
- NSA Number:
- NSA-33-026587
- Assignee:
- to U.S. Energy Research and Development Administration
- Patent Number(s):
- PAT-APPL-431,819.; US 3915695
- OSTI ID:
- 4014073
- Resource Relation:
- Patent File Date: 1974 Jan 01; Other Information: C22B60/04; C22B60/02; C22B34/00. Orig. Receipt Date: 30-JUN-76
- Country of Publication:
- United States
- Language:
- English
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