Metal powder compositions containing binding agents for elevated

Details Metal powder compositions containing binding agents for elevated Metal powder compositions containing binding agents for elevated

1994-05-27

1995-07-04

Walsh, Donald P.

Powder metallurgy processes

Powder metallurgy processes with heating or sintering

Powder pretreatment

419 37, 419 38, B22F 100

Patent

active

054297923

ABSTRACT:
An improved metallurgical powder composition capable of being compacted at elevated temperatures is provided comprising an iron-based powder, an alloying powder, a high temperature compaction lubricant, and a binder. The selected binders of this invention permit the bonded powder composition to achieve increased compressibility in comparison to unbonded powder compositions while reducing dusting and segregation of the alloying powder.

REFERENCES:
patent: 4002474 (1977-01-01), Blachford
patent: 4483905 (1984-11-01), Engstrom
patent: 4676831 (1987-06-01), Engstrom
patent: 4834800 (1989-05-01), Semel
patent: 5154881 (1992-10-01), Rutz et al.
Promold.TM.; "Performance Data"; 1991 Morton International, Inc.
Waldron et al., "Sintering," Heyden, 1978, pp. 1-3, 16-22, 27-31, 44-48, 57-64.

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