Process for producing tungsten heavy alloy sheet

Details Process for producing tungsten heavy alloy sheet Process for producing tungsten heavy alloy sheet

1988-01-14

1989-05-23

Lechert, Jr., Stephen J.

Powder metallurgy processes

Powder metallurgy processes with heating or sintering

Powder pretreatment

75248, 419 40, 419 43, 419 47, 419 58, G22F 100

Patent

active

048329070

ABSTRACT:
A process is disclosed for producing a sheet of tungsten heavy alloy which involves uniformly blending elemental powder components of the alloy by forming a slurry of the powder components in a liquid medium, removing the liquid medium from the powders and forming a planar cake of the powders, drying the cake, sintering the cake to a density equal to or greater than about 90% of the theoretical density of the alloy to form the sheet.

REFERENCES:
patent: 4602954 (1986-07-01), Davies et al.
patent: 4744944 (1988-05-01), Spencer et al.

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