Process for producing amorphous alloy forming material
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United States of America Patent
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May 11, 1993
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N/A
app pub date -
Dec 30, 1991
filing date -
Jan 10, 1991
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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.
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