Metal founding – Process – Shaping liquid metal against a forming surface
Patent
1984-01-12
1985-12-17
Lin, Kuang Y.
Metal founding
Process
Shaping liquid metal against a forming surface
164469, B22D 710
Patent
active
045587299
ABSTRACT:
Method and apparatus for producing a fine-grain ingot are disclosed. A feedstock stick is melted to produce a series of fully molten drops which falls on the upper surface of an ingot being formed, to cover a portion thereof which is substantially less than the ingot's total upper surface. The mold is moved laterally with respect to the feedstock stick at a rate which is high enough so that the molten metal impinges upon different portions of the ingot's upper surface but which is low enough to prevent a substantial centrifugally outward flow of the metal impinging on the upper surface of the ingot. The molten metal melt rate is so selected that the impact region on the ingot's upper surface is at or below the solidus temperature of the alloy and above a temperature at which metallurgical bonding with the successive impinging metal can occur.
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Unit Processes of Extractive Metallurgy; Chapter 8, Melting, Pouring and Solidification, pp. 226-260.
Demetron, Inc.
Lin Kuang Y.
Reid Gerard M.
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