Method for uniaxial compaction of materials in a cold isostatic

Details Method for uniaxial compaction of materials in a cold isostatic Method for uniaxial compaction of materials in a cold isostatic

1990-11-29

1991-10-15

Lechert, Jr., Stephen J.

Powder metallurgy processes

Forming articles by uniting randomly associated metal particles

Consolidation of powders

419 49, 264500, B22F 100

Patent

active

050572733

ABSTRACT:
A cold isostatic pressing method and apparatus using fluid pressure to compact a material charge held in a flexible mold, including a hard die placed inside the mold, the die defining a receiver which has a longitudinal axis, at least one tooling member and a material charge placed in the receiver, such that when the hard die, tooling member and charge are sealed in the mold, pressure applied to the sealed mold will force the tooling member and the charge together to cause uniaxial compaction of the charge in the receiver along the longitudinal axis of the receiver. Preferably the charge is compacted between at least two tooling members. The charge also may be simultaneously compacted transverse to the longitudinal axis by a lateral tooling member.

REFERENCES:
patent: 4599215 (1986-07-01), Smarsly et al.

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