High temperature alloys synthesis by electro-discharge compactio

Details High temperature alloys synthesis by electro-discharge compactio High temperature alloys synthesis by electro-discharge compactio

1990-10-09

1992-01-28

Rosenberg, Peter D.

Specialized metallurgical processes, compositions for use therei

Processes

Electrothermic processes

75 1062, H05B 360

Patent

active

050840886

ABSTRACT:
A method is provided for synthesizing high temperature alloys from elemental powders. The method includes the steps of placing the elemental powders to be processed in a die. A relatively high pressure is then applied to the powders. Substantially simultaneously, an electrical discharge is applied to the powders. The discharge is of relatively high voltage and current density to provide alloying. A product fabricated by the present method is also described and claimed.

REFERENCES:
patent: 2355954 (1944-08-01), Cremer
patent: 3213491 (1961-12-01), Craig
patent: 3529457 (1970-09-01), Butler
patent: 3605245 (1971-09-01), Zapf
patent: 4337373 (1982-06-01), Fletcher
"Resistance Sintering under Pressure" Lenel, Journal of Metals, 1955.

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