Specialized metallurgical processes – compositions for use therei – Processes – Producing or purifying free metal powder or producing or...
Patent
1989-09-26
1990-10-23
Andrews, Melvyn J.
Specialized metallurgical processes, compositions for use therei
Processes
Producing or purifying free metal powder or producing or...
148 203, 1481261, C22C 300, C21D 100
Patent
active
049649060
ABSTRACT:
A process for controlling the oxygen content in tantalum material comprising heating the material under a hydrogen-containing atmosphere in the presence of a tantalum getter metal having an initial oxygen content lower than the tantalum material.
REFERENCES:
patent: 4722756 (1988-02-01), Hard
Andrews Melvyn J.
Schumaker David W.
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