METAL CASTING APPARATUS, CAST WORK PIECE AND METHOD THEREFOR

摘要

A metal casting apparatus includes a feeder for providing a molten metallic material. A mold includes a sprue and a component cavity. The sprue is arranged to receive the molten metallic material from the feeder and the component cavity is arranged to receive the molten metallic material from the sprue. A starter is arranged adjacent the component cavity and is operable to induce a first grain orientation upon solidification of the molten metallic material. The sprue includes an aborter that is arranged to induce a second grain orientation upon solidification of the molten metallic material.