Method for compacting high alloy steel particles

Details Method for compacting high alloy steel particles Method for compacting high alloy steel particles

1999-08-13

2000-08-08

Jenkins, Daniel J.

Powder metallurgy processes

Powder metallurgy processes with heating or sintering

Plural heating steps including sintering

419 26, 419 49, B22F 316

Patent

active

060997966

ABSTRACT:
A method for producing compacted, fully dense articles from atomized tool steel alloy particles by placing the particles in a deformable container, and isostatically pressing the particles at an elevated temperature to produce a precompact having an intermediate density. The precompact is heated to a temperature above the elevated temperature used to produce the precompact. The precompact is isostatically pressed to produce the fully-dense article.

REFERENCES:
patent: 5447800 (1995-09-01), Dorsch et al.
patent: 5453242 (1995-09-01), Knoess
patent: 5538683 (1996-07-01), Pinnow et al.
patent: 5679908 (1997-10-01), Pinnow et al.
patent: 5976459 (1999-11-01), Eisen et al.

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