Metal treatment – Process of modifying or maintaining internal physical... – Magnetic materials
Patent
1987-02-27
1988-02-02
Lechert, Jr., Stephen J.
Metal treatment
Process of modifying or maintaining internal physical...
Magnetic materials
75 05B, 75 05BB, 148 131, 148133, C21D 100
Patent
active
047227567
ABSTRACT:
Disclosed is a process for the reduction of oxygen content in tantalum and/or columbium-containing material comprising heating the material under a hydrogen atmosphere in the presence of an oxygen-active metal.
REFERENCES:
patent: 4141719 (1979-02-01), Hakko
patent: 4508563 (1985-04-01), Bernard et al.
patent: 4555268 (1985-11-01), Getz
Cabot Corp
Feltovic Robert J.
Lechert Jr. Stephen J.
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