Method for producing a metallic sintered body

Details Method for producing a metallic sintered body Method for producing a metallic sintered body

1990-08-28

1991-07-16

Lechert, Jr., Stephen J.

Powder metallurgy processes

Powder metallurgy processes with heating or sintering

Powder shape or size characteristics

419 36, 419 37, 419 54, B22F 100

Patent

active

050323547

ABSTRACT:
A composition for producing a metallic sintered body consisting essentially of a mixture of a powdered metal having an average particle size of not more than 50 microns with a lactone resin having a relative viscosity value in the range of from 1.15 to 3.20 is disclosed.
The composition has excellent properties such as mechanical strength of a green body thereof, and only a short time being necessary for removal or elimination of binder in comparison with conventional sintering compositions.
Furthermore, the binder in the present composition is substantially composed of a single component; accordingly, manufacturing process control can be simplified by use of the lactone resin.
Furthermore, a method for producing a metallic sintered body using such composition is also disclosed.

REFERENCES:
patent: 3965046 (1976-06-01), Deffeyes
patent: 4061824 (1977-12-01), Deffeyes et al.
patent: 4146504 (1979-03-01), Deffeyes
patent: 4818280 (1989-04-01), Langner et al.

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