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A kind of preparation device and method of aluminum alloy composite tube billet

A technology for preparing a device and a composite tube is applied in the field of preparing devices for an aluminum alloy composite tube blank, which can solve the problems of large friction between an ingot and a core mold, and achieve the effects of stable melt flow, good metallurgical bonding, and clean interface.

Active Publication Date: 2017-09-29
NORTHEASTERN UNIV LIAONING
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  • Abstract
  • Description
  • Claims
  • Application Information

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Problems solved by technology

These two important problems are due to the solidification and shrinkage of the core material alloy, resulting in a large friction force between the ingot and the mandrel.

Method used

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  • A kind of preparation device and method of aluminum alloy composite tube billet
  • A kind of preparation device and method of aluminum alloy composite tube billet
  • A kind of preparation device and method of aluminum alloy composite tube billet

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Embodiment Construction

[0054] The present invention will be described in further detail below through embodiments by way of examples and with reference to the accompanying drawings. It should be understood that the embodiments of the present invention are used to illustrate the present invention rather than limit the present invention. The simple improvements made to the present invention according to the essence of the present invention all belong to the protection scope of the present invention.

[0055] The preparation device of aluminum alloy composite tube billet, such as figure 1 As shown, it includes an outer crystallizer 8, an inner mold 4, a mandrel 12, a support 3, a dummy ingot 15 and a casting machine; wherein the inner mold 4 is located inside the outer mold 8, is directly above the outer mold 8 and is concentric; the core The mold 12 is concentric with the inner mold 4, and passes through the center of the inner mold 4 and the outer mold 8; the bracket 3 is fixed on the water chamber ...

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Abstract

The invention relates to a preparation device and method for an aluminum alloy composite pipe base, belonging to the technical field of metal material preparation. The device comprises an outer crystallizer, an inner crystallizer, a core mold, a support, a dummy ingot and a casting machine. The preparation method comprises the steps (1) a core material melt flows to an inner cavity when the water pressure and oil pressure in the outer crystallizer, the inner crystallizer and the core mold are stable; (2) a composite layer melt flows to an outer cavity through a splitting plate of the outer crystallizer when a core material solidification shell is formed in an outer layer, and the casting machine is started; and (3) the composite pipe base is prepared when the composite layer melt and the core material solidification shell form a composite interface, and flow supply is stopped when the composite pipe base reaches a preset length. By adopting the preparation device and method, the problems of nonuniform distribution of interface circumferential temperature and excessive and insufficient compounding are solved, the segregation and clustering phenomena are eliminated, the friction force between the core material solidification shell and the core mold is reduced, and direct composite casting forming is realized; and the device and method are simple in equipment, short in process, low in energy consumption and high in production efficiency.

Description

technical field [0001] The invention belongs to the technical field of metal material preparation, and in particular relates to a preparation device and method for an aluminum alloy composite tube blank. Background technique [0002] Aluminum alloy composite pipe is a layered composite material composed of two or more aluminum alloys. Since the characteristics of each component of the composite pipe can be fully utilized, the composite material can achieve a combination of various properties, such as high strength and wear resistance. , High strength and corrosion resistance, high strength and brazing, high strength and high conductivity, corrosion resistance and brazing, etc. Therefore, the application of aluminum alloy composite pipes has increased significantly. Widely used in automobiles, ships, machinery, petrochemical, power electronics and aerospace, aviation industry. [0003] The traditional production method of aluminum alloy composite pipe is the extrusion compo...

Claims

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Application Information

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Patent Type & Authority Patents(China)
IPC IPC(8): B22D11/103B22D11/14
CPCB22D11/103B22D11/141
Inventor 张海涛崔建忠韩星秦克邵博王东涛梁叶郭亚东程龙刚
Owner NORTHEASTERN UNIV LIAONING
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