Method for manufacturing aluminum/magnesium/aluminum composite plate on three-dimensional layer interface

A technology of aluminum composite panels and composite slabs, which is applied in the direction of manufacturing tools, metal rolling, welding equipment, etc., can solve the problems of difficult realization of metal sheet composite, limited application of corrugated rolling, difficult deformation, etc., and reduce bonding interface defects , surface smoothness, and the effect of coordinating deformation differences

Active Publication Date: 2019-08-30
TAIYUAN UNIV OF TECH
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

However, generally, the metal near the corrugated roller (double board) is a difficult-to-deform metal, and the metal (substrate) on the other side is an easy-to-deform metal. This method is m

Method used

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  • Method for manufacturing aluminum/magnesium/aluminum composite plate on three-dimensional layer interface
  • Method for manufacturing aluminum/magnesium/aluminum composite plate on three-dimensional layer interface

Examples

Experimental program
Comparison scheme
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Example Embodiment

[0036] Specific embodiment 1: Using this method to prepare 2024 / AZ31 / 2024 composite board:

[0037] One, such as figure 1 As shown in (a), on the surface of AZ31 and 2024, the mating V-shaped layer interface protrusions are machined. The size of the hot pressing die used is 60×100mm, so the machined size of AZ31 and 2024 alloy is 60×60;

[0038] 2. Clean the surfaces to be bonded of AZ31 and 2024, brush the bonded surfaces with a brush, and then ultrasonically clean and blow dry in an alcohol solution;

[0039] 3. According to the order of 2024 / AZ31 / 2024, they are mutually meshed and stacked to form a composite slab;

[0040] 4. Put the composite slab into the hot pressing mold, and the edge perpendicular to the trapezoidal section direction is stuck in the mold. Before hot pressing, apply boron nitride suspension on the surface of the mold to facilitate demolding. During hot pressing, the composite slab Incubate in the mold at 400°C for 15 minutes, and then perform hot pressing. At 4...

Example Embodiment

[0045] Specific embodiment two: this embodiment is different from specific embodiment one in that step one is figure 1 As shown in (b) and (c), the surfaces of AZ31 and 2024 are machined to form a matching V-shaped layer interface and a corrugated layer interface protrusion.

Example Embodiment

[0046] Specific embodiment three: This embodiment is different from specific embodiment one in that the magnesium mentioned in step one is pure magnesium or any other plastically deformable magnesium alloy, aluminum is pure aluminum or any other plastically deformable aluminum alloy, and others The same as the first embodiment.

[0047] Such as figure 2 Shown, it is a schematic diagram of the composite slab after multiple single-direction ultrasonic variable temperature and variable hot pressing + rolling at the interface of the trapezoidal layer; (a) is the cross-sectional view of the composite slab, and (b) is the white box in the figure (a) A scan of the element surface of the area shown.

[0048] It can be seen from the figure that the use of multiple unidirectional ultrasonic variable temperature and load hot pressing + rolling two-step thermal deformation method enhances the overall strength and plasticity of the laminate and improves the bonding strength of the interface, ...

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Abstract

The invention discloses a method for manufacturing an aluminum/magnesium/aluminum composite plate on a three-dimensional layer interface. The method comprises the steps of firstly, machining the three-dimensional interfaces matched with each other on magnesium alloy plates and aluminum alloy plates; cleaning to-be-bonded surfaces of the magnesium alloy plates and the aluminum alloy plates; stacking and assembling the magnesium alloy plates and the aluminum alloy plates alternately in a mutually meshing mode to obtain a composite plate blank; repeatedly carrying out unidirectional ultrasonic temperature change and load change hot pressing to fill a mold; and carrying out hot rolling to obtain the tightly bonded composite plate. According to the method, a two-step thermal deformation methodcombining hot pressing and rolling is adopted to obtain the laminated plate with uniform thickness, smooth surface and relatively high surface quality, the process is simple, the energy consumption islow, the quality of the composite plate is high, and the method is suitable for application and popularization.

Description

technical field [0001] The invention belongs to the technical field of light alloy processing and forming, and in particular relates to a method for preparing an aluminum / magnesium / aluminum composite plate at a three-dimensional layer interface. Background technique [0002] The metal layered composite sheet is prepared from a variety of metals with significant advantages through certain composite technologies (such as explosive welding, physical vapor deposition, rolling composite, etc.), and the mutual diffusion between atoms is realized on the joint surface. , and finally achieve metallurgical combination, and obtain new composite materials with the advantages of each single metal, and produce some new physical, chemical, electromagnetic, mechanical and other new properties other than the properties of a single metal due to the interface metallurgical combination. Since the United States first proposed the metal lamination composite process in the 1950s, the lamination pr...

Claims

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Application Information

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IPC IPC(8): B23P15/00B23K20/10B23K20/00B23K20/233B21B1/38
CPCB21B1/38B21B2001/386B23K20/008B23K20/10B23K20/2336B23P15/00
Inventor 邓坤坤曹苗吴玉程聂凯波王翠菊梁伟
Owner TAIYUAN UNIV OF TECH
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