Preparation method and preparation device of amorphous alloy fine part based on vacuum suction casting

An amorphous alloy and preparation device technology, applied in the field of amorphous alloy material preparation, can solve problems such as time-consuming and energy-consuming, insufficient utilization of engineering value, secondary oxidation, etc., to achieve smooth appearance and improved application Value, the effect of avoiding secondary oxidation

Inactive Publication Date: 2013-06-26
HUAZHONG UNIV OF SCI & TECH
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Problems solved by technology

Hot press forming to make parts first needs to make the original material into an amorphous alloy, and then hot press the amorphous alloy. This method requires two steps, both of which are i

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  • Preparation method and preparation device of amorphous alloy fine part based on vacuum suction casting
  • Preparation method and preparation device of amorphous alloy fine part based on vacuum suction casting
  • Preparation method and preparation device of amorphous alloy fine part based on vacuum suction casting

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Embodiment Construction

[0034] In order to make the object, technical solution and advantages of the present invention clearer, the present invention will be further described in detail below in conjunction with the accompanying drawings and embodiments. It should be understood that the specific embodiments described here are only used to explain the present invention, not to limit the present invention.

[0035] In this embodiment, the preparation of a typical amorphous alloy microgear part is selected to describe the present invention, but the method is not limited to this kind of amorphous alloy, nor is it limited to this kind of part or size, any other kind of amorphous Both alloys and components are suitable for use in the method of the present invention.

[0036] In this embodiment, four high-purity pure metals, ie, Zr, Cu, Ni, and Al, are selected as raw materials for the amorphous alloy. Atomic percentage: Zr is 55, Cu is 30, Al is 10, and Ni is 5. Zr 55 Cu 30 Al 10 Ni 5 The total raw ma...

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Abstract

The invention discloses a preparation method of an amorphous alloy fine part. The preparation method of the amorphous alloy fine part comprises the following steps: various types of pure metal needed by amorphous alloy is prepared according to a proportion to form raw materials of the amorphous alloy and is arranged in a vacuum melting cavity of a vacuum arc suction casting furnace; a silicon mold used for preparing the amorphous alloy fine part is prepared and arranged into a copper mold, an inner cavity of the copper mold is a through hole, and the copper mold is arranged in a lower cavity of the vacuum arc suction casting furnace; the vacuum melting cavity is pumped to be vacuum and is filled with protective gas, the raw materials of the amorphous alloy are melted, and melted amorphous alloy liquid is sucked into the silicone mold from the vacuum melting cavity through the through hole by lowering the pressure inside the copper mold; and the amorphous alloy fine part is obtained after demolding. The invention further discloses a preparation device of the amorphous alloy fine part. By means of vacuum suction casting, the defects that the amorphous alloy melt is poor in fluidity and difficult in mold filling are overcome, and the prepared amorphous alloy fine part is high in quality, and free of the defects like air holes.

Description

technical field [0001] The invention belongs to the technical field of preparation of amorphous alloy materials, and in particular relates to a method and device for preparing amorphous alloy fine parts. Background technique [0002] Amorphous alloys are a major discovery in the field of materials in the 20th century. The atomic arrangement inside the material is a long-range disordered short-range order structure, without defects such as dislocations and grain boundaries. This unique structure makes amorphous alloy materials have many excellent properties, such as high strength, hardness, wear resistance, corrosion resistance, excellent soft magnetic properties, etc., and is widely used in military, micro / nano manufacturing, sports equipment , optical communications, optical integration, lasers, new solar cells, high-efficiency magnetic and power transmission materials and other fields. Amorphous alloys are promising new structural materials and functional materials, which...

Claims

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Application Information

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IPC IPC(8): B22D18/06
Inventor 史铁林廖广兰朱志靖文驰张钊博杨璠
Owner HUAZHONG UNIV OF SCI & TECH
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