Method of making plate-shaped material

Details Method of making plate-shaped material Method of making plate-shaped material

1990-12-20

1992-04-28

Lechert, Jr., Stephen J.

Powder metallurgy processes

Powder metallurgy processes with heating or sintering

Making composite or hollow article

419 30, 428558, B23F 700

Patent

active

051086980

ABSTRACT:
A method of making a disc-shaped or plate-shaped sintered body from powdered material of poor ductility, such as Sendust alloy, wherein the powdered material is filled in a dish-like metallic vessel having a thick bottom wall and a low side wall, a plurality of such filled vessels are piled up and put in a cylindrical capsule made of hot-workable metal, the capsule is charged in a container of a hot extrusion press whose outlet is closed and it is then heated and compressed. The resultant compressed product is taken out and cooled and metallic parts resulted from the vessels and capsule are removed from the compressed product, thereby obtaining plate-shaped sintered bodies as wanted.

REFERENCES:
patent: 4606883 (1986-08-01), Wizeman et al.
patent: 4906434 (1990-03-01), Ashbee
patent: 4999156 (1991-03-01), Ashbee

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