Method of rotary refining and casting

Details Method of rotary refining and casting Method of rotary refining and casting

1982-05-07

1984-01-24

Lin, Kuang Y.

Metal founding

Process

Shaping liquid metal against a forming surface

164497, B22D 2702

Patent

active

044270526

ABSTRACT:
A method for rotary refining and casting comprising the remelting of an alloy electrode suspended within an essentially cylindrical mold wherein said electrode and said mold are both rotated about their coincident axes of symmetry; heating the tip of said electrode to a sufficiently high temperature to cause melting, with the metal droplets formed at said tip of said electrode descending into said mold under the combined effect of gravitational and centrifugal forces, wherein said droplets form a liquid pool, the free surface of said pool assuming the configuration of a paraboloid of revolution about said axis of rotation, resulting in a shallow pool with high surface area; said pool progressively solidifying into a fine-grain ingot exhibiting high homogeneity and cleanliness; the energy for melting said tip of said electrode and for maintaining said pool molten provided by converting electrical energy to thermal energy at a gap maintained between said electrode and said molten pool.

REFERENCES:
patent: 3152372 (1964-10-01), Hopkins
patent: 3597519 (1971-08-01), Kemeny

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