A method of and a device for producing a liquid-solid metal...

Details A method of and a device for producing a liquid-solid metal... A method of and a device for producing a liquid-solid metal...

C - Chemistry, Metallurgy

22

C

C22C 1/02 (2006.01) B22D 17/00 (2006.01) B22D 27/20 (2006.01)

Patent

CA 2592251

A method of producing a liquid-solid metal composition (8), comprising the steps of charging a vessel (2) with a molten metal or alloy (3), charging the vessel (2) with a solid metal or alloy (6), stirring the molten metal or alloy (3) upon cooling thereof. The amount of solid metal or alloy (6) is chosen such that a substantial amount of solid particles (7) will be formed in the melt (3) due to the enthalpy exchange between the solid metal or alloy (6) and the molten metal or alloy (3), and at least a part of the added solid metal or alloy (6) is melted by the heat transferred to it by the molten metal or alloy (3).

L'invention concerne un procédé de production d'une composition métallique liquide-solide (8). Ce procédé consiste à charger un récipient (2) d'un métal ou d'un alliage fondu (3); à charger le récipient (2) d'un métal ou d'un alliage solide (6); et à agiter le métal ou l'alliage fondu (3) pendant qu'il refroidit. La quantité de métal ou d'alliage solide (6) est choisie de sorte qu'une quantité sensible de particules solides (7) soit formée dans la matière fondue (3) par l'échange enthalpique entre le métal ou l'alliage solide (6) et le métal ou l'alliage fondu (3), et qu'au moins une partie du métal ou de l'alliage solide (6) ajouté soit fondue par la chaleur transférée vers lui par le métal ou l'alliage fondu (3).

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