Method and assembly for producing extruded permanent magnet arti

Details Method and assembly for producing extruded permanent magnet arti Method and assembly for producing extruded permanent magnet arti

1989-04-14

1991-09-10

Lechert, Jr., Stephen J.

Powder metallurgy processes

Powder metallurgy processes with heating or sintering

Making composite or hollow article

419 24, 419 31, 419 41, 419 48, B22F 700

Patent

active

050472054

ABSTRACT:
A method for producing a compacted fully dense permanent magnet by providing a particle charge of a permanent magnet alloy composition from which the article is to be made and placing the charge in a cylindrical container having a generally axially positioned core with the charge surrounding the core within the container. The container and charge are heated to an elevated temperature and extruded to compact the charge to a substantially fully dense permanent magnet article.

REFERENCES:
patent: 4704249 (1987-11-01), Glatzle
patent: 4729789 (1988-03-01), Ide et al.

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