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A kind of cu-fe composite material double-melt mixed casting equipment and technology

A composite material and melt mixing technology, which is applied in the field of composite material preparation, can solve problems such as uneven composition and structure, and achieve the effects of suppressing fine structure, strong cooling capacity, and increasing viscosity

Active Publication Date: 2021-06-15
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 kind of Cu-Fe composite material twin-melt mixing casting equipment and technology, this casting equipment and technology not only solve the composition and structure inhomogeneity of Cu-Fe composite material in casting process problems, while significantly improving production efficiency and reducing production costs, suitable for industrial scale production

Method used

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  • A kind of cu-fe composite material double-melt mixed casting equipment and technology
  • A kind of cu-fe composite material double-melt mixed casting equipment and technology
  • A kind of cu-fe composite material double-melt mixed casting equipment and technology

Examples

Experimental program
Comparison scheme
Effect test

Embodiment 1

[0056] Embodiment 1: Casting of Cu-10wt.% Fe composite material

[0057] Put the electrolytic pure copper into the graphite crucible of the first melting furnace 1, heat, melt and keep warm through the induction heating coil, measure the melting temperature by the first temperature measuring element 7 (thermometer) to be 1180°C, and the holding temperature is 1180°C . Put pure iron and electrolytic copper with a mass ratio of Fe: Cu=1:4 into the graphite crucible of the second melting furnace II, heat, melt and keep warm through the induction coil, and measure the melting temperature through the second temperature measuring element 7 as 1450°C, holding temperature is 1450°C.

[0058] When the pure Cu liquid and the Fe-Cu alloy liquid reach the target temperature, start the graphite stopper mechanism 1, let the pure Cu liquid and the Fe-Cu alloy liquid enter the mixing chamber 8 through the guide tube 6 for mixing, and start the air pressure adjustment at the same time Mechan...

Embodiment 2

[0061] Embodiment 2: Casting of Cu-20wt.% Fe composite material

[0062] The electrolytic copper is put into the graphite mold 3 of the first melting furnace 1, heated and melted and kept warm by the induction coil, the melting temperature measured by the first temperature measuring element 7 is 1180°C, and the holding temperature is 1180°C. Put pure iron and electrolytic copper with a mass ratio of Fe:Cu=2:3 into the graphite crucible of the second melting furnace II, heat, melt and keep warm through the induction coil, and measure the melting temperature by a thermometer to be 1480°C. The holding temperature is 1480°C.

[0063] When the pure Cu liquid and the Fe-Cu alloy liquid reach the target temperature, start the graphite stopper mechanism 1, let the pure Cu liquid and the Fe-Cu alloy liquid enter the mixing chamber 8 through the guide tube 6 for mixing, and start the air pressure adjustment at the same time Mechanism 11 is used to regulate the flow rate of pure Cu liqu...

Embodiment 3

[0066] Embodiment 3: Casting of Cu-40wt.% Fe composite material

[0067] The electrolytic copper is put into the graphite mold 3 of the first melting furnace 1, heated and melted and kept warm by the induction coil, the melting temperature measured by the first temperature measuring element 7 is 1180°C, and the holding temperature is 1180°C. Put pure iron and electrolytic copper with a mass ratio of Fe:Cu=3:2 into the graphite crucible of the second melting furnace II, heat, melt and keep warm through the induction coil, and measure the melting temperature by the thermometer 7 to be 1500°C , holding temperature is 1500 ℃.

[0068] When the pure Cu liquid and the Fe-Cu alloy liquid reach the target temperature, start the graphite stopper mechanism 1, let the pure Cu liquid and the Fe-Cu alloy liquid enter the mixing chamber 8 through the guide tube 6 for mixing, and start the air pressure adjustment at the same time Mechanism 11 is used to regulate the flow rate of pure Cu liq...

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Abstract

The invention discloses a Cu-Fe composite double-melt mixed casting equipment and process, comprising a first melting furnace for heating and melting pure Cu; a second melting furnace for heating and melting Cu-Fe alloy; a mixing chamber, The flow guide tube communicates with the liquid outlets of the first melting furnace and the second melting furnace to mix the heated and melted pure Cu and Cu-Fe alloy; The body is heated and electromagnetically stirred; the crystallizer is docked with the liquid outlet of the mixing chamber; the stopper mechanism is used to control the opening and closing of the liquid outlet and the melt flow of the first melting furnace and the second melting furnace; An air pressure regulating mechanism for adjusting the air pressure in the first melting furnace and the second melting furnace. The casting equipment and process not only solve the problem of inhomogeneous composition and structure of Cu-Fe composite materials in the casting process, but also can significantly improve production efficiency and reduce production costs, and are suitable for industrial scale production.

Description

technical field [0001] The invention belongs to the technical field of composite material preparation, and in particular relates to a Cu-Fe composite double-melt mixed casting equipment and process. Background technique [0002] The Cu-Fe composite material combines the high electrical conductivity and thermal conductivity of Cu with the soft magnetic properties, high strength and stiffness of Fe, and has unique electromagnetic shielding properties. It is widely used in pulsed strong magnetic field systems, particle acceleration electromagnetic launchers, High-energy synchrotron radiation light sources and other high-tech fields. [0003] During the solidification process of Cu-Fe composites, two kinds of liquid phase regions will be formed, namely the Cu-rich region (L 1 ) and Fe-rich region (L 2 ). Due to the different composition of the two liquid phases, the Stokes motion caused by the density difference leads to macrosegregation under the action of the gravity field,...

Claims

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Application Information

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Patent Type & Authority Patents(China)
IPC IPC(8): B22D11/103B22D11/115B22D11/18
CPCB22D11/004B22D11/007B22D11/103B22D11/115B22D11/182
Inventor 李周姜雁斌王檬肖柱龚深
Owner CENT SOUTH UNIV
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