Process for producing prealloyed tungsten alloy powders

Details Process for producing prealloyed tungsten alloy powders Process for producing prealloyed tungsten alloy powders

1988-10-03

1989-12-05

Roy, Upendra

Specialized metallurgical processes, compositions for use therei

Processes

Electrothermic processes

75 05C, B22F 100

Patent

active

048850284

ABSTRACT:
A process for forming particulate tungsten heavy alloys from agglomerated material containing the individual metals by using a high temperature zone is improved by retaining the material in the high temperature zone for a time sufficient to at least partially melt the metals that are alloying with tungsten while maintaining the temperature of those metals below the boiling point of the lowest boiling metal in the alloying component.

REFERENCES:
patent: 4390368 (1983-06-01), Houck
patent: 4731111 (1988-03-01), Kopatz et al.
patent: 4743297 (1988-05-01), Kopatz et al.
patent: 4778515 (1988-10-01), Kemp, Jr. et al.
patent: 4793969 (1988-12-01), Johnson et al.

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