Method of consolidating a metallic body

Details Method of consolidating a metallic body Method of consolidating a metallic body

1983-02-23

1985-02-12

Padgett, Benjamin R.

Powder metallurgy processes

Powder metallurgy processes with heating or sintering

Heat and pressure simultaneously to effect sintering

419 28, B22F 300

Patent

active

044990480

ABSTRACT:
A method of consolidating a metallic body is disclosed. The method comprises the steps of forming an article of manufacture from powdered metal; sintering the article of manufacture so as to increase the strength thereof; coating the article with a sacrificial layer of ceramic; providing a bed of heated, generally spheroidal ceramic particles; compacting the coated article of manufacture embedded in the heated bed under pressure to thereby consolidate the article into a dense, desired shape; and, removing said sacrificial coating such that the surface of the article remains substantially free of process-related imperfections.

REFERENCES:
patent: 3279917 (1966-10-01), Ballard et al.
patent: 3284195 (1966-11-01), Googin et al.
patent: 3413393 (1968-11-01), Turk
patent: 3455682 (1969-07-01), Barbaras
patent: 3469976 (1969-09-01), Iler
patent: 3689259 (1972-09-01), Haily
patent: 3939241 (1976-02-01), Powell et al.
patent: 4431449 (1984-02-01), Dillon et al.

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