Method of manufacturing sintered components

Details Method of manufacturing sintered components Method of manufacturing sintered components

1985-07-22

1986-07-29

Lechert, Jr., Stephen J.

Powder metallurgy processes

Powder metallurgy processes with heating or sintering

Powder shape or size characteristics

75123R, 75123D, 75132, 75243, 419 38, 419 57, 419 58, 419 59, B22F 100

Patent

active

046030280

ABSTRACT:
A powder metallurgical method is described for producing precision components of sintered steel having high strength and high ductility by compressing a powder to form a green compact and sintering the latter at a temperature from 950.degree. to 1250.degree. C. for 5 to 90 minutes in a reducing atmosphere of partially combusted hydrocarbons, sufficient carbon being present to impart a carbon content of 0.05 to 0.6% by weight in the sintered steel; said powder consisting essentially of iron powder containing 0.65 to 0.8% phosphorus, 0.1 to 0.5% graphite or carbon powder, and 0 to 1.5% of a solid lubricant.

REFERENCES:
patent: 4006016 (1977-02-01), Zambrow et al.
patent: 4236945 (1980-12-01), Reen

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