Continuous pour directional solidification method

Details Continuous pour directional solidification method Continuous pour directional solidification method

1993-03-16

1994-05-10

Lin, Kuang Y.

Metal founding

Process

With measuring, testing, inspecting, or condition determination

1641221, 1641222, B22D 2500, B22D 2704

Patent

active

053099761

ABSTRACT:
A method of making a casting wherein a molten alloy is introduced into a mold cavity at an initial mold fill rate to partially fill the mold cavity while the mold cavity resides in a casting chamber. A solidification front is propagated through the molten alloy to provide a solidification rate. The remaining molten alloy is introduced into the mold at a second mold fill rate less than the first mold fill rate as the front propagates through the molten alloy. The second fill rate is controlled to correspond or be matched generally to the solidification rate of the molten alloy in the mold cavity.

REFERENCES:
patent: Re30979 (1982-06-01), Watts
patent: 3268958 (1966-08-01), Sickbert

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