Canless method for hot working gas atomized powders

Details Canless method for hot working gas atomized powders Canless method for hot working gas atomized powders

1985-05-23

1986-05-06

Lechert, Jr., Stephen J.

Powder metallurgy processes

Powder metallurgy processes with heating or sintering

Post sintering operation

419 28, 419 29, 419 31, 419 32, 419 36, 419 37, 419 38, 419 44, 419 54, 419 55, 419 58, 419 60, B22F 326

Patent

active

045870969

ABSTRACT:
A canless method for hot working a nickel-base gas atomized alloy powder. The powder is blended with nickel powder, consolidated and sintered to a sufficient green strength. The surface of the resultant form is sealed to create an oxygen impervious layer so as to prevent oxidation therein. The sealed surface, in a sense, acts as a can. The form is then reheated and hot worked.

REFERENCES:
patent: 3549357 (1970-12-01), Osborne
patent: 3740215 (1973-06-01), Burk et al.
patent: 3798740 (1974-03-01), Kirk
patent: 3859086 (1975-01-01), Church et al.
patent: 4062678 (1977-12-01), Dreyer et al.
patent: 4140528 (1979-02-01), Hebeisen et al.
patent: 4391772 (1983-07-01), Bonnor et al.

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