A rolling composite method for magnesium/aluminum/aluminum clad plate
An aluminum composite plate and rolling composite technology, which is applied in metal rolling and other directions, can solve the problems of large amount of pressing force, easy cracks in magnesium alloys, and difficult preparation of composite plates, so as to reduce the tendency of fracture, improve the utilization rate of materials, The effect is cheap to produce
Active Publication Date: 2022-02-18
TAIYUAN UNIV OF TECH
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Problems solved by technology
[0004] Aiming at the problems that the composite rolling of magnesium alloy and 6-series aluminum alloy requires a large amount of pressing force, the magnesium alloy is prone to cracks, and it is difficult to realize the preparation of composite plates, the present invention provides a rolling composite method for magnesium / aluminum / aluminum composite plates
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Embodiment 1
[0024] Take a piece of aluminum alloy (6061), aluminum alloy (1060) and magnesium alloy (AZ31) plates with a length of 110mm, a width of 60mm, and a thickness of 0.5mm, 0.5mm and 2mm respectively, and put them into a resistance furnace for annealing pretreatment. . The annealing temperature of aluminum alloy (6061) is 350°C, and the annealing time is 1h; the annealing temperature of aluminum alloy (1060) is 350°C, and the annealing time is 1h; the annealing temperature of magnesium alloy (AZ31) is 300°C, and the annealing time is 1h . After annealing, the plate was taken out from the resistance furnace and cooled to room temperature in air. The surfaces of three layered plates of aluminum alloy (6061), aluminum alloy (1060) and magnesium alloy (AZ31) were polished with 500# sandpaper and then cleaned with alcohol. The three panels are put together in the order 6061 / 1060 / AZ31 to form a laminate slab. Put the slab into a resistance furnace and heat it to 350°C. After holding ...
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Abstract
A magnesium / aluminum / aluminum clad plate rolling and compounding method belongs to the technical field of preparation methods for non-ferrous metal layered clad plates, and can solve the problem that magnesium alloys and 6-series aluminum alloys require a large amount of down pressure for compound rolling, and magnesium alloys are easy to produce Cracks, it is not easy to realize the problem of the preparation of clad plates, adding a 1-series aluminum alloy plate as an intermediate connection layer between the magnesium alloy plate and the 6-series aluminum alloy plate, and preparing at a lower rolling temperature and a smaller amount of reduction A composite board is produced. The composite plate has a three-layer structure of magnesium alloy / aluminum alloy / aluminum alloy. The prepared laminates have good interfacial bonding without defects and voids. Its strength is 235MPa and the elongation is 6.3%. The preparation method has the advantages of simple process, low cost and high production efficiency, and is an advanced method for preparing a magnesium-aluminum layered composite plate.
Description
technical field [0001] The invention belongs to the technical field of preparation methods of nonferrous metal laminated composite plates, and in particular relates to a rolling and compounding method of magnesium / aluminum / aluminum composite plates. Background technique [0002] Magnesium alloys have the advantages of low density, high specific strength, excellent electromagnetic shielding ability and good recyclability, and are widely used in automobiles, aviation, aerospace and other fields. However, in the practical application of magnesium alloys, the drawbacks of poor corrosion resistance greatly limit the application range of magnesium alloys. An effective way to solve the poor corrosion resistance of magnesium alloys is to cover the surface of magnesium alloys with a layer of other metal materials with good corrosion resistance to prepare metal composite panels. Similar to magnesium alloys, aluminum alloys are also a lightweight material with excellent corrosion resi...
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IPC IPC(8): B21B1/38B21B3/00
CPCB21B1/38B21B3/00B21B2001/386B21B2003/001
Inventor 梁伟郝欣为聂慧慧张王刚邓嘉飞
Owner TAIYUAN UNIV OF TECH