Process for producing amorphous alloy forming material

Details Process for producing amorphous alloy forming material Process for producing amorphous alloy forming material

1991-12-30

1993-05-11

Wyszomierski, George

Metal treatment

Process of modifying or maintaining internal physical...

Heating or cooling of solid metal

419 29, C22F 104, C22F 116

Patent

active

052097919

ABSTRACT:
A process for producing an amorphous alloy forming material having at least 50% by volume of an amorphous phase which comprises a first-stage treatment in which an amorphous alloy is maintained in a temperature range below the glass transition temperature, a second-stage treatment in which the alloy is maintained in a temperature range in the supercooled liquid region for a prescribed period of time, and quenching of the alloy thus treated. The process improves the embrittlement peculiar to amorphous alloys subjected to thermal hysteresis for a long time and provides amorphous alloys having excellent strength, ductility and thermal plastic workability.

REFERENCES:
patent: 4311539 (1982-01-01), Uedaira et al.
patent: 5043027 (1991-08-01), Gerling et al.
patent: 5053084 (1991-10-01), Masumoto et al.
patent: 5074935 (1991-12-01), Masumoto et al.

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