Importance

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Abstract

There is provided a method for producing a metal matrix composite by which a metal matrix composite having a near-net shape of high dimensional accuracy and having a high reinforcing material volume ratio (Vf %) can easily be obtained. The method for producing a metal matrix composite is such that in a production method for obtaining a metal matrix composite, wherein a matrix material, such as a pure metal, and a reinforcing material different from the matrix material are compounded, a material containing the reinforcing material is filled in a metal mold having a near-net-shaped space (recessed portion) formed inside thereof to form, in the metal mold, a reinforcing material-molded or filled body having pores inside thereof, the metal mold having the reinforcing material-molded or filled body formed is preheated in a preheating step, the preheated metal mold in a state where the reinforcing material-molded or filled body is put therein is installed in an outer shell metal mold for casting a composite, the pores of the reinforcing material-molded or filled body in the metal mold are impregnated or filled with the molten matrix material to perform a casting step of compounding the matrix material and the reinforcing material, and in a series of the steps of the molding step of molding the reinforcing material-molded or filled body, the preheating step, and the casting step, the same metal mold is used.

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First Claim