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Immiscible alloy preparation method and continuous casting device

An immiscible alloy and continuous casting technology, which is applied in the field of immiscible alloy material preparation, can solve the problems of immiscible alloy composition and uneven structure, so as to facilitate automatic continuous production, suppress fine structure, debugging and production The effect of easy operation

Active Publication Date: 2020-01-24
CENT SOUTH UNIV
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

For this reason, one of the purposes of the present invention is to provide a preparation method and continuous casting equipment for immiscible alloys, which not only solves the problem of inhomogeneous composition and structure of immiscible alloys in the casting process, but also significantly improves the Production efficiency and reduced production costs, suitable for industrial scale production

Method used

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  • Immiscible alloy preparation method and continuous casting device
  • Immiscible alloy preparation method and continuous casting device
  • Immiscible alloy preparation method and continuous casting device

Examples

Experimental program
Comparison scheme
Effect test

Embodiment 1

[0058] Embodiment 1: the preparation of Cu-10wt.%Fe composite material

[0059] Put the electrolytic pure copper into the melting chamber of the metal melting furnace A1, heat, melt and keep warm with the induction heater A3, the melting temperature measured by the first temperature measuring element 4 is 1180°C, and the holding temperature is 1180°C.

[0060] Put pure iron and electrolytic copper with a mass ratio of Fe:Cu=1:4 into the melting chamber of the metal melting furnace B6, heat, melt and keep warm through the induction heater B7, and measure the melting temperature through the second temperature measuring element 8 It is 1450 ℃, and the holding temperature is 1450 ℃.

[0061] After the pure Cu liquid and the Fe-Cu alloy liquid reach the target temperature, start the first stopper mechanism 1 and the second stopper mechanism 5, respectively allow the pure Cu liquid and the Fe-Cu alloy liquid to enter the mixing chamber 10 through the guide tube 9 Mixing in the mixi...

Embodiment 2

[0062] Embodiment 2: the preparation of Cu-20wt.%Co composite material

[0063] Put the electrolytic pure copper into the melting chamber of the metal melting furnace A1, heat, melt and keep warm with the induction heater A3, the melting temperature measured by the first temperature measuring element 4 is 1180°C, and the holding temperature is 1180°C.

[0064] Put pure cobalt and electrolytic copper with a mass ratio of Co:Cu=2:3 into the melting chamber of the metal melting furnace B6, heat, melt and keep warm through the induction heater B7, and measure the melting temperature through the second temperature measuring element 4 It is 1600 ℃, and the holding temperature is 1600 ℃.

[0065] After the pure Cu liquid and the Co-Cu alloy liquid reach the target temperature, start the first stopper mechanism 1 and the second stopper mechanism 5, respectively allow the pure Cu liquid and the Co-Cu alloy liquid to enter the mixing chamber 10 through the guide tube 9 Mixing is carrie...

Embodiment 3

[0067] Embodiment 3: the preparation of Cu-10wt.%Ag composite material

[0068] Put the electrolytic pure copper into the melting chamber of the metal melting furnace A1, heat, melt and keep warm with the induction heater A3, the melting temperature measured by the first temperature measuring element 4 is 1180°C, and the holding temperature is 1180°C.

[0069] Put pure silver and electrolytic copper with a mass ratio of Ag:Cu=1:4 into the crucible B6 of the metal melting furnace B, heat, melt and keep warm through the induction heater B7, and measure the melting through the second temperature measuring element 8 The temperature is 1200°C, and the holding temperature is 1200°C.

[0070] After the pure Cu liquid and the Ag-Cu alloy liquid reach the target temperature, start the first stopper mechanism 1 and the second stopper mechanism 5, and allow the pure Cu liquid and the Ag-Cu alloy liquid to enter the mixing chamber 10 through the guide tube 9 respectively Mixing in the mi...

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Abstract

The invention discloses an immiscible alloy preparation method and continuous casting device. An immiscible alloy is composed of a metal A and a metal B, and the melting point of the A metal is lowerthan the melting point of the metal B. The preparation method comprises the following steps that the A metal is heated to Ta and then is subjected to heat preserving to obtain A melt, the B metal is heated to Tb and then is subjected to heat preserving to obtain B melt, wherein the Ta is less than the Tb; and after the A melt and the B melt are uniformly mixed through electromagnetic stirring, themixture enters a continuous casting water cooling crystallizer to be rapidly solidified to prepare the immiscible alloy. The immiscible alloy prepared by the method is large in specification range, good in surface quality, internally free of macroscopic segregation, free of air holes, free of cracks such as loosening, uniform in composition and fine in tissue, and has the advantages of simple devices, high production efficiency, low cost, suitability for industrial scale production and the like.

Description

technical field [0001] The invention belongs to the technical field of preparation of immiscible alloy materials, and in particular relates to a preparation method and continuous casting equipment of an immiscible alloy. Background technique [0002] Immiscible alloys have many excellent physical properties, such as high strength, good electrical and thermal conductivity, and magnetic properties. Therefore, this type of alloy has broad application prospects in permanent magnets, high-performance electrodes, and electrical contact materials. Since immiscible metals have an immiscible zone during the solidification process, when the solidification temperature passes through this zone, two liquid phases with different components will be separated in the alloy liquid. The density difference of the two liquid phases makes the alloy easily form macro-segregation in the gravitational field. [0003] In order to solve the above-mentioned macro segregation and other problems, vario...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): C22C1/02C22C1/03B22D11/055C22C9/00C22C9/06B22D11/16
CPCB22D11/055B22D11/16C22C1/02C22C1/03C22C9/00C22C9/06
Inventor 李周姜雁斌王檬肖柱龚深
Owner CENT SOUTH UNIV
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