Metal founding – Process – Shaping liquid metal against a forming surface
Patent
1991-09-26
1993-08-31
Seidel, Richard K.
Metal founding
Process
Shaping liquid metal against a forming surface
164462, 164486, 164 91, 65 32, B22D 1100, B22D 1908, B22D 1914
Patent
active
052400662
ABSTRACT:
A method for preparing glass-coated microwires is provided. A metal in a glass tube is superheated in a high frequency induction field, whereby the glass tube softens. A thin capillary tube is drawn from the softened glass and the glass tube fills with molten metal. The metal-filled capillary enters a cooling zone in the superheated state and the rate of cooling is controlled such that a microcrystalline or amorphous metal microstructure is obtained. The cooling zone includes a stream of cooling liquid through which the capillary passes. The microstructure of the microwire is controlled by choice of amorphisizers, cooling rate, nature of the cooling liquid, location of the cooling stream, dwell time in the cooling stream and degree of superheating and supercooling of the metal.
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Farmakovsky Boris V.
Gorynin Igor V.
Kalogina Karina V.
Khinsky Alexander P.
Riviere V. Alfredo
Puknys Erik R.
Seidel Richard K.
Technalum Research, Inc.
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