Method of making a cathode from tungsten and iridium powders usi

Details Method of making a cathode from tungsten and iridium powders usi Method of making a cathode from tungsten and iridium powders usi

1989-08-24

1990-01-23

Lechert, Jr., Stephen J.

Powder metallurgy processes

Powder metallurgy processes with heating or sintering

Post sintering operation

419 26, 419 29, 419 33, 419 39, 419 54, 419 55, 419 58, B22F 326

Patent

active

048956996

ABSTRACT:
A cathode is made from a mixture of tungsten and iridium powders using a ction product formed from reacting barium peroxide with an excess of tungsten as the impregnant.

REFERENCES:
patent: 4444718 (1984-04-01), Smith et al.
patent: 4818480 (1989-04-01), Branovich et al.
patent: 4840767 (1989-06-01), Branovich et al.

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