Method and apparatus for the injection molding of metal alloys

Details Method and apparatus for the injection molding of metal alloys Method and apparatus for the injection molding of metal alloys

B - Operations, Transporting

22

D

22/172, 205/18,

B22D 1/00 (2006.01) B21C 29/00 (2006.01) B22D 17/00 (2006.01) B22D 18/02 (2006.01)

Patent

CA 2009722

A method and apparatus for injection molding a metal alloy wherein the alloy is maintained in a thixotropic, semisolid state in a reciprocating extruder at temperatures above its solidus temperature and below its liquidus temperature in the presence of shearing and then injected as a thixotropic slurry into a mold to form a useful product. Following completion of the injection molding stroke, the nozzle of the extruder is sealed by solidifying a portion of the residue of the alloy remaining in the nozzle.

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