Preparation of cathode structures for impregnated cathodes

Details Preparation of cathode structures for impregnated cathodes Preparation of cathode structures for impregnated cathodes

1992-07-20

1994-03-15

Walsh, Donald P.

Powder metallurgy processes

Powder metallurgy processes with heating or sintering

Post sintering operation

419 49, 419 8, B22F 326

Patent

active

052943992

ABSTRACT:
Disclosed is a process for preparing a cathode structure for impregnated cathodes having desired dimensions by a simplified process without experiencing machining etc. A high-melting-point metal powder is introduced into a mold, and heated with the heater to effect isostatic press molding to provide a cathode structure for impregnated cathodes having a predetermined shape and dimensions by one operation.

REFERENCES:
patent: 3243292 (1962-05-01), Hill et al.
patent: 4601878 (1986-07-01), Aslund et al.
patent: 4767372 (1988-08-01), Bossert et al.
patent: 5066454 (1991-11-01), Hanson
patent: 5096450 (1992-03-01), Sugimura et al.

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