Tungsten electrode and method of producing same

Details Tungsten electrode and method of producing same Tungsten electrode and method of producing same

1988-12-20

1989-08-22

Lechert, Jr., Stephen J.

Specialized metallurgical processes, compositions for use therei

Compositions

Consolidated metal powder compositions

75248, 1481261, 148127, 148133, 204291, 204292, 419 19, 419 26, 419 29, 419 54, C22C 2912

Patent

active

048592390

ABSTRACT:
An electrode, and method of producing same, including tungsten which has been heated in wet hydrogen at 1050.degree. C. for 5 to 10 minutes, then heated at about 1500.degree. C. for about three hours in a vacuum, and then further heated at about 2800.degree. C. for about 5 minutes in a vacuum.

REFERENCES:
patent: 4155757 (1979-05-01), Hing
patent: 4155758 (1979-05-01), Evans et al.
patent: 4678718 (1987-07-01), Wang

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