Method of making lubricated metallurgical powder composition

Details Method of making lubricated metallurgical powder composition Method of making lubricated metallurgical powder composition

1992-11-13

1994-07-19

Pal, Asok

Coating processes

Particles, flakes, or granules coated or encapsulated

Inorganic base

427216, 428407, 428470, B05D 700, B32B 1502

Patent

active

053307925

ABSTRACT:
A method is provided for incorporating lubricant and a sintering aid into a metallurgical powder composition of iron-based powders. A particulate iron-based powder is contacted and wetted with solution of a metal salt of a fatty acid in an organic solvent. The solvent is removed to provide iron-based particles having a coating of the metal salt. The resulting self-lubricated powder composition can be compacted and sintered to produce a compact having superior strength properties.

REFERENCES:
patent: 4020236 (1977-04-01), Aonuma et al.
patent: 4076861 (1978-02-01), Funukawa et al.
patent: 4975333 (1990-12-01), Johnson et al.

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