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A carbon fiber reinforced magnetic refrigeration functional alloy composite material preparation device and preparation method

A technology for preparing devices and composite materials, which is applied in the direction of magnetic materials, inorganic materials, magnetic objects, etc., can solve problems such as the inability to prepare kilograms, improve magnetic refrigeration performance, improve mechanical properties, and avoid oxidation of high-temperature melts Effect

Active Publication Date: 2021-12-03
SHANGHAI UNIV
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  • Abstract
  • Description
  • Claims
  • Application Information

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Problems solved by technology

[0005] Purpose of the invention: Aiming at the problem that the existing equipment cannot prepare a magnetic refrigeration functional composite material plate with kilogram level, excellent mechanical properties and magnetic refrigeration performance, the present invention proposes a carbon fiber reinforced magnetic refrigeration functional alloy composite material preparation device and preparation method

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  • A carbon fiber reinforced magnetic refrigeration functional alloy composite material preparation device and preparation method

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Experimental program
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Embodiment 1

[0036] refer to figure 1 In this embodiment, the present embodiment provides a carbon fiber reinforced magnetic cooling function alloy composite preparation device including a vacuum valve, an argon gas bottle 14, a vacuum pump 17, and a vacuum cavity 20. In the present embodiment, the inner portion of the vacuum cavity 20 is sequentially provided with alloy smelting units, the graphite guide groove 16, and the centrifugal type unit, that is, the upper end of the alloy smelting unit and the internal upper end of the vacuum cavity 20. The alloy melting unit is disposed above the graphite guide groove 16, and the graphite guide groove 16 is disposed above the centrifugal type unit, and the lower end of the centrifugal crankshaft and the inner bottom end of the vacuum cavity 20 is fixed.

[0037] Specifically, alloy smelting units include hand rotation guides 1, Al 2 O 3 Ceramic plug rod 3 and graphite crucible 4. Where the handy guide rod 1 is fixedly mounted in the upper end of the...

Embodiment 2

[0053] Example 2 provides a method for preparing a carbon fiber reinforced magnetic cooling function alloy composite preparation device, and the structure and method steps are the same as in Example 1, in which 5 kg of Ni is placed in the graphite crucible 4. 50 Mn 37 SN 13 Magnetic cooling function alloy raw materials.

[0054] The composition of the glass powder purifier 5 is divided according to the volume fraction, and is set to: 70 vol% sodium calcium silica glass, 30 vol% trioxide glass powder.

[0055] In the process of heating the magnetic cooling function alloy raw material by the induction coil heating, the heating temperature is set to 1200 ° C, and the heating rate is provided to 50 ° C / min.

[0056] The speed of the motor 13 is set to 1000 rpm.

[0057] In the present embodiment, during the vacuum heat treatment furnace, the heat treatment temperature is set to: 900 ° C, and rapid water is carried out after 4 hours of holding. At the same time, standard mechanics an...

Embodiment 3

[0059] Example 3 provides a method of preparing a carbon fiber-enhanced magnetic cooling function alloy composite preparation device, and the structure and method steps are the same as in Example 1, in which 4 kg GD is placed in the graphite crucible 4. 5 Si 2 GE 2 Magnetic cooling function alloy raw materials.

[0060] The composition of the glass powder purifying agent 5 is divided according to the volume fraction, and is set to: 60 vol% soda calcium silica glass, 40 vol% trioxide glass powder.

[0061]In the process of heating the magnetic cooling function alloy raw material by the induction coil heating method, the heating temperature is set to 1450 ° C, and the heating rate is provided to 50 ° C / min.

[0062] The speed of the motor 13 is set to 1200 rpm.

[0063] In the present embodiment, during the vacuum heat treatment furnace, the heat treatment temperature is set to: 1200 ° C, and rapid water is carried out after 2 hours of holding. At the same time, standard mechanics...

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Abstract

The invention discloses a preparation device for a carbon fiber-reinforced magnetic refrigeration functional alloy composite material. The preparation device includes a vacuum valve, a vacuum pump and a vacuum cavity. An observation window is provided on the upper end of the vacuum cavity, and one side of the vacuum cavity is connected through a pipeline. There is an argon gas cylinder, and the vacuum pump is set on one side of the argon gas cylinder. At the same time, the vacuum pump is connected to the argon gas cylinder and the vacuum chamber through pipelines, and a vacuum is installed at the pipeline junction of the argon gas cylinder and the vacuum pump. The vacuum gauge is used to monitor the internal pressure of the vacuum chamber; the vacuum valve includes a No. 1 vacuum valve and a No. 2 vacuum valve. On the pipe connecting to the vacuum pump. The invention greatly improves the mechanical properties of the prepared magnetic refrigeration functional alloy composite material by presetting the high-strength carbon fiber reinforced prefabricated body, and the prepared magnetic refrigeration functional alloy composite material plate can reach the kilogram level.

Description

Technical field [0001] The present invention relates to the preparation of composite processing Magnetic Field alloy cooling function, especially in the preparation of a composite material preparation apparatus and relates to a carbon fiber-reinforced alloy magnetic refrigeration functions. Background technique [0002] Currently gas is widely used in low compression refrigeration efficiency, development of new efficient and environmentally friendly magnetic refrigeration technology is imperative. Magnetic refrigeration using magnetocaloric effect art solid state magnetic alloy of refrigeration cooling function, with low energy consumption, pollution, high efficiency and much attention, but several known functional magnetic refrigeration alloy candidate materials that are present poor mechanical properties A total issues. Magnetic refrigeration technology critical bottlenecks scale applications is how to prepare an excellent kilograms, mechanical properties and magnetic propertie...

Claims

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Application Information

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Patent Type & Authority Patents(China)
IPC IPC(8): B22D19/02B22D13/10B22D1/00C22B9/10C22C47/04C22C47/08H01F1/01
CPCB22D1/00B22D13/10B22D13/107B22D19/0081B22D19/02C22B9/10C22C47/04C22C47/08H01F1/015
Inventor 杨元奎郑红星徐智帅翟启杰
Owner SHANGHAI UNIV