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Bottom injection type casting device and preparation method of carbon steel-monel alloy layered composite material

A carbon steel, bottom injection technology, applied in casting equipment, metal processing equipment, manufacturing tools, etc., can solve the problems of lack of safety and stability, difficult precise control, high equipment and technical requirements, etc.

Inactive Publication Date: 2019-10-18
DALIAN UNIV OF TECH
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

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Problems solved by technology

At present, the main method of producing such composite materials is the explosive composite method, but this method requires high equipment and technology, is difficult to control accurately, and lacks safety and stability.

Method used

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  • Bottom injection type casting device and preparation method of carbon steel-monel alloy layered composite material
  • Bottom injection type casting device and preparation method of carbon steel-monel alloy layered composite material
  • Bottom injection type casting device and preparation method of carbon steel-monel alloy layered composite material

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preparation example Construction

[0033] The invention provides a kind of preparation method of carbon steel-monel alloy laminated composite material, comprises the following steps:

[0034] Melting Ni and Cu in the medium frequency induction melting furnace 1 to obtain a Monel alloy melt;

[0035] Place the carbon steel substrate on the double-roller transmission device 5, and after being preheated by the high-frequency induction heating device 4, the Monel alloy melt flows out from the gate 1-3 of the medium-frequency induction melting furnace 1, and is protected by a protective gas. Casting down to the surface of the carbon steel substrate that is moving at a constant speed; the preheating temperature of the carbon steel substrate is monitored by the infrared thermometer monitoring device 3;

[0036] The carbon steel substrate casted with Monel alloy is conveyed by the double-roller transmission device 5 to the top of the cooling device 6 for cooling, and a carbon steel-Monel alloy layered composite materia...

Embodiment 1

[0043] Ni and Cu raw materials were weighed according to a mass ratio of 7:3, and pure metal raw materials with a purity of 99.9 wt% and above were selected. When smelting alloys, Ni and Cu are placed in a magnesia crucible and heated through an intermediate frequency induction heating furnace 1, and the entire smelting process needs to be carried out under the protection of a covering agent. Heat the melt to 1480°C for 2 minutes, reduce the heating power, and when the melt temperature drops to 1430°C, under the action of protective gas, evenly cast the alloy melt onto the surface of the carbon steel substrate 7 traveling at a uniform speed. It is preheated to 1000°C by the high-frequency induction heating device 4 and is pulled by the double-roller transmission device 5 (with a rolling straightening device) to advance at a constant speed, and the forward speed is 88mm / min. After the casting is completed, when the temperature of the composite plate is naturally cooled to 1000°...

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Abstract

The invention provides a bottom injection type casting device and a preparation method of a carbon steel-monel alloy layered composite material, and relates to the technical field of alloy materials.The invention provides the bottom injection type casting device which comprises a medium-frequency induction smelting furnace 1, a protective gas application device 2, an infrared thermometer monitoring device 3, a high-frequency induction heating device 4, a double-roller transmission device 5 and a cooling device 6; and the medium-frequency induction smelting furnace 1 comprises a stopper rod 1-1, a furnace body 1-2 and a sprue 1-3. By adopting the bottom injection type casting device, the carbon steel-monel alloy layered composite material is prepared, high in reliability and safety and high in production efficiency, the prepared carbon steel-monel alloy layered composite material is high in cleanliness and high in interface bonding strength, and a wide range of Ni-Fe-Cu diffusion layers can be obtained.

Description

technical field [0001] The invention relates to the technical field of alloy materials, in particular to a bottom injection casting device and a method for preparing a carbon steel-Monel alloy layered composite material. Background technique [0002] Monel alloy is a nickel-copper alloy based on nickel, and its typical composition is 70% by mass fraction of Ni and 30% by mass fraction of Cu. The alloy has excellent corrosion resistance, oxidation resistance and high strength, and is especially suitable for parts of aviation, marine, chemical, nuclear energy and other devices. Carbon steel has the characteristics of low cost and high strength. Therefore, the carbon steel-monel alloy layered composite material can greatly reduce the cost of using monel alloy, and has a very wide application prospect. At present, the main method of producing this kind of composite material is the explosive composite method, but this method requires high equipment and technology, is difficult ...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): B22D11/14B22D11/01B22D19/16B22D41/08B22D11/16
CPCB22D11/008B22D11/01B22D11/14B22D11/16B22D19/16B22D41/08
Inventor 李廷举接金川王同敏王世航曹志强卢一平康慧君张宇博陈宗宁郭恩宇
Owner DALIAN UNIV OF TECH
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