To provide an injection molding method for an Mg alloy which is capable of molding the molded goods of the Mg alloy having thin flat planar parts even without using an injection molding device having excessive ability and is further capable of obtaining molded goods having flat planar parts which are excellent in flatness and surface accuracy and molded goods obtained by the same.
The injection molding device having a metal mold 1 consisting of a stationary side metal mold 3 and a moving side metal mold 2 is used and a flat plate P consisting of the Mg alloy or Al alloy is inserted between the stationary side metal mold 3 and the moving side metal mold 2, following which the Mg alloy is injected onto the flat plate P and the composite molded goods consisting of the flat plate P and the injected Mg alloy are injection molded.
NISHIKAWA YUKIO
TAKARA AKIRA
