Process for producing metal material with excellent mechanical p

Details Process for producing metal material with excellent mechanical p Process for producing metal material with excellent mechanical p

1993-06-25

1996-01-23

Rowan, Kurt

Metal founding

Process

Shaping liquid metal against a forming surface

164463, 1641541, B22D 710

Patent

active

054858763

ABSTRACT:
In producing a metal material having a single-phase texture of an amorphous phase, a supercooled liquid having an amorphous composition is first prepared in a melting manner within a large-diameter pipe portion of a quartz pipe. Then, the supercooled liquid is converted into another form by allowing it to flow into a small-diameter pipe portion. The form conversion causes the temperature of the supercooled liquid to rise, so that the temperature of the supercooled liquid is uniformalized by this temperature-increase effect, thereby inhibiting the production of non-uniform crystal nuclei. Thereafter, the quartz pipe with the supercooled liquid contained therein is placed into a water bath, where the supercooled liquid is cooled by water and solidified.

REFERENCES:
patent: 3719733 (1973-03-01), Rakestra et al.
patent: 4011901 (1977-03-01), Flemings et al.
patent: 4142571 (1979-03-01), Narasimhan
patent: 4738712 (1988-04-01), Singer
patent: 4791979 (1988-12-01), Liebermann
patent: 4844146 (1989-07-01), Kikuchi
patent: 5014764 (1991-05-01), Garat
patent: 5213148 (1993-05-01), Masumoto et al.
patent: 5279389 (1994-01-01), Horimura
"Fundamentals of Solidification", Kurz, Fisher, Trans Tech Pub (1986) p. 2.
"Metals Handbook", Desk edition, ASM (1985) p. 2-19.

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