Casting solidification expansion materials

Details Casting solidification expansion materials Casting solidification expansion materials

B - Operations, Transporting

22

D

B22D 25/06 (2006.01) B22C 9/06 (2006.01) B22D 15/00 (2006.01) B22D 18/02 (2006.01)

Patent

CA 2482379

A mold that has an expandable mold cavity that is maintained at a first volume during an injection phase and expands to a second volume during the solidification phase to inhibit or prevent the formation of voids or cracks in a material that expands during the solidification. process and a method whereby the pressure within a mold cavity during the solidification process is limited to inhibit or prevent formation of cracks or fissures in a cast article that normally expands during solidification.

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