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

1988-10-03

1989-06-20

Lechert, Jr., Stephen J.

Powder metallurgy processes

Powder metallurgy processes with heating or sintering

Post sintering operation

419 28, 419 29, 419 33, 419 39, 419 54, 419 55, 419 58, G22F 326

Patent

active

048407674

ABSTRACT:
A cathode is made from a mixture of tungsten and iridium powders using a ium iridiate formed from barium peroxide and iridium oxide as the impregnant.

REFERENCES:
patent: 4126451 (1978-11-01), Nayar
patent: 4324588 (1982-04-01), Zysk
patent: 4325734 (1982-04-01), Burrage et al.
patent: 4444718 (1984-04-01), Smith et al.
patent: 4585618 (1986-04-01), Fresnel et al.
patent: 4767372 (1988-08-01), Bossert et al.

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