Metal founding – Process – Shaping liquid metal against a forming surface
Patent
1986-08-27
1988-10-04
Godici, Nicholas P.
Metal founding
Process
Shaping liquid metal against a forming surface
164415, 164419, 164421, 164422, 164437, 164440, 164460, 164461, 164464, 164475, 164476, 164479, 164488, 164490, B22D 1104, B22D 1110, B22D 1302, B22D 1308
Patent
active
047750006
ABSTRACT:
An apparatus and process for the continuous casting of tubular shapes wherein molten metal from which the tubular shape is formed is centrifugally deposited adjacent to the outlet of a fluid-cooled mold by a nozzle assembly, with the metal being cooled and rapidly solidified by the mold to form a cylindrical shell upon which additional metal is deposited to incrementally build the thickness of the tubular shape. The tubular shape being formed is withdrawn continuously from the mold, and is further cooled by coolant directed thereon. The nozzle assembly may be rotated to discharge the molten metal or, alternatively, the mold may be rotated as the metal is deposited thereon. Single-layer tubular shapes, with or without reinforcing material, may be cast and multiple-layer composite shapes may be produced having layers of different material composition and thicknesses. An inert atmosphere is maintained to prevent oxidation of the molten metal. Tubular shapes cast may be longitudinally split and flattened to form sheet metal having desirable, refined microstructures.
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Batten, Jr. J. Reed
Godici Nicholas P.
Yee Stephen F. K.
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