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Method for preparing foam laminar foil by using scale effect

A scale effect, foam layer technology, applied in metal rolling and other directions, can solve problems such as difficulty

Active Publication Date: 2017-10-24
CENT SOUTH UNIV
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  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

However, it is very difficult to prepare extremely thin "metal foil / foam aluminum foil / metal foil" layered materials by traditional mechanical interface welding

Method used

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  • Method for preparing foam laminar foil by using scale effect
  • Method for preparing foam laminar foil by using scale effect
  • Method for preparing foam laminar foil by using scale effect

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Embodiment Construction

[0019] The implementation of the present invention will be described in detail below in conjunction with the drawings and examples.

[0020] Such as figure 1 As shown, the present invention utilizes the scale effect to prepare the method for foam layered foil, and the flow process is as follows:

[0021] Step 1: Copper foil 1 and aluminum foil 2 are used as raw materials, the thickness of copper foil 1 before rolling is 100-300 μm, and the thickness of aluminum foil 2 before rolling is 15-50 μm. Aluminum foil 2 is industrial pure aluminum AA1230 foil, and copper foil 1 is common industrial copper foil.

[0022] Step 2: Process the metal aluminum foil and metal copper foil into sheets of exactly the same size.

[0023] Step 3: stacking according to copper / aluminum / copper to obtain the sheet 3, and welding the front end of the rolled piece, that is, the sheet 3, by electric welding.

[0024] Step 4: Put the welded material 4 between the upper and lower pressure rollers 5 for ...

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Abstract

The invention discloses a method for preparing a foam laminar foil by using a scale effect. Copper foils and aluminum foils are used as raw materials to machine sheets with the same sizes; the copper foils and the aluminum foils are stacked according to copper foil / aluminum foil / copper foil; the front ends of rolled pieces are welded through electric welding; the ply rolling is performed on the materials with welded front ends; and the ply rolling is repeated until the foil thickness reaches 10-200 microns. The method prepares high-quality ultrathin copper foil / foam aluminum foil / copper foil laminar composite material by using the principle of generating the scale effect in the metal material rolling process; under microscopic condition, the material is a laminar composite material consisting of copper foils and foam aluminum foils, and is copper foil / foam aluminum foil / copper foil multilayer composite material; and in the material, the copper and aluminum material interface welding is perfect without forming intermetallic compounds.

Description

technical field [0001] The invention belongs to the technical field of composite metal material rolling, and in particular relates to a method for preparing foam layered foil by using scale effect. Background technique [0002] At present, foamed aluminum alloy has the advantages of low density, strong impact absorption capacity, high damping and shock absorption performance, high impact energy absorption rate, sound insulation and noise reduction, etc. It has received widespread attention from the scientific and industrial circles. The layered result formed by metal plate / foam aluminum / metal plate inherits the advantages of foam aluminum material and has been applied in the fields of green building and automobile lightweight. [0003] With the rapid development of microelectronics and microforming manufacturing, people's demand for ultra-thin layered materials is gradually increasing. However, it is very difficult to prepare extremely thin "metal foil / foam aluminum foil / m...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): B21B1/40B21B1/38
CPCB21B1/38B21B1/40B21B2261/04B21B2265/12
Inventor 喻海良崔晓辉王青山
Owner CENT SOUTH UNIV
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