Processes for manufacturing intermetallic compounds, intermetall

Details Processes for manufacturing intermetallic compounds, intermetall Processes for manufacturing intermetallic compounds, intermetall

1993-06-21

1994-10-25

Rosenberg, Peter D.

Alloys or metallic compositions

Processes

C01G 1500

Patent

active

053586875

ABSTRACT:
In manufacturing an intermetallic compound or an alloy based thereon having a fine-grained microstructure by stirring a charge of components, the high strain energy built up in the charge is released to prevent the occurrence of cracks in the course of cooling to room temperature. The charge is melted by high-frequency heating in an inert atmosphere. The molten charge is transferred into an isothermal furnace filled with the same atmosphere. The solidifying charge is stirred to break the formed crystals and thus forming a homogeneous fine-grained microstructure. After continuing stirring for a given time, the charge with refind microstructure is returned into the high-frequency furnace for reheating to release the high strain energy built up in it.

REFERENCES:
patent: 3777009 (1974-12-01), Menashi
patent: 4265661 (1981-05-01), Ware
patent: 4668470 (1987-05-01), Gilman
patent: 4792431 (1988-12-01), Eckert

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