Method for producing metal-based composite material

Details Method for producing metal-based composite material Method for producing metal-based composite material

C - Chemistry, Metallurgy

22

C

C22C 47/10 (2006.01) B22D 11/04 (2006.01) B22D 19/14 (2006.01) C22C 1/10 (2006.01)

Patent

CA 2364391

A method for producing a metal based composite material comprising a matrix metal containing a reinforcing filler in at least a part thereof, characterized as comprising (1) charging at least one reinforcing filler in the form of fibers or particles and at least one penetration-enhancing metal into an aluminum container, (2) submerging the aluminum container in the state of having an oxygen-containing gas remaining therein into a melt of a matrix metal comprising an aluminum alloy or a magnesium-aluminum alloy, (3) dissolving the aluminum container in the matrix melt, to thereby render the melt of the matrix metal to penetrate into the reinforcing filler, and then (4) solidifying the melt of the matrix metal.

Un procédé de production d'un matériau composite à base de métal comprend un métal matriciel qui contient au moins dans une partie de ce dernier une charge de renforcement, le procédé se caractérisant par le fait que (1) on charge dans un contenant en aluminium au moins une charge de renforcement sous forme de fibres ou de particules et au moins un métal améliorant la pénétration ; (2) on plonge le contenant en aluminium alors qu'il se trouve dans un état où il reste du gaz contenant de l'oxygène, dans un mélange fondu de métal matriciel comprenant un alliage d'aluminium ou un alliage de magnésium-aluminium, (3) on dissout le contenant en aluminium dans la fonte de métal matriciel, pour que la matière fondue du métal matriciel pénètre dans la charge de renforcement, et (4) on solidifie la fonte de métal matriciel.

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