Differential pressure, countergravity casting of a melt with a f

Details Differential pressure, countergravity casting of a melt with a f Differential pressure, countergravity casting of a melt with a f

1990-02-27

1991-02-05

Lin, Kuang Y.

Metal founding

Process

Shaping liquid metal against a forming surface

164 63, 164255, B22D 2700, B22D 1806

Patent

active

049896628

ABSTRACT:
Apparatus and method for the differential pressure, countergravity casting of a melt of molten metal, such as nodular iron, containing a fugative alloyant, such as a magnesium nodularizing agent, susceptible to rapid loss from the melt over time wherein a source of the alloyant is so disposed on a lower portion of each mold as to contact the melt and replenish the alloyant content thereof when the lower mold portion of each mold is immersed in the melt for casting. An effective level of alloyant is thereby maintained in the melt throughout the casting of a plurality of molds in succession from the melt.

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