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A kind of preparation method of magnesium-aluminum alloy composite plate strip with high corrosion resistance and easy processing

A technology of aluminum alloy sheet and magnesium aluminum alloy, which is applied in metal rolling, chemical instruments and methods, metal layered products, etc., can solve the problems of poor corrosion resistance and low room temperature plastic deformation ability, and improve corrosion resistance , Improve the effect of cold rolling plastic deformation and good corrosion resistance

Active Publication Date: 2016-01-06
CHONGQING MATERIALS RES INST
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

[0003] The purpose of the present invention is to solve the two key problems restricting the production and application of magnesium and magnesium alloys in the prior art, that is, the shortcomings of low plastic deformation capacity at room temperature and poor corrosion resistance, and to provide a method that can be used between magnesium and magnesium alloy substrates. Aluminum or aluminum alloy is coated on the surface and the outer surface, and the aluminum and aluminum alloy have excellent plastic deformation and good corrosion resistance to improve the cold-rolled plastic deformation of magnesium and improve the corrosion resistance. High corrosion resistance, easy processing magnesium aluminum alloy Preparation method of composite plate strip

Method used

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  • A kind of preparation method of magnesium-aluminum alloy composite plate strip with high corrosion resistance and easy processing

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Experimental program
Comparison scheme
Effect test

Embodiment 1

[0028] see figure 1 , a kind of preparation method of high corrosion resistance, easy processing magnesium-aluminum alloy composite board strip, is characterized in that comprising the following steps:

[0029] a), smooth

[0030] Leveling the magnesium alloy sheet and the aluminum alloy sheet respectively, and then trimming the edges so that the width of the magnesium alloy core layer 2 is 5 mm smaller than the width of the cladding aluminum sheet 1;

[0031] b), cleaning

[0032] First, clean the surface of the magnesium alloy plate and the aluminum plate to be compounded with ethanol with a mass percentage concentration of 20%, and clean the oil stains on the surface of the magnesium alloy plate and the aluminum plate to be compounded; NaOH solution for 3 minutes, rinse with clean water; then use HNO with a mass percentage concentration of about 5%% 3 Wash with the solution for 3 minutes; then rinse with clean water and dry with cold air;

[0033] c), hair removal

[0...

Embodiment 2

[0046] see figure 1 , a kind of preparation method of high corrosion resistance, easy processing magnesium-aluminum alloy composite board strip, is characterized in that comprising the following steps:

[0047] a), smooth

[0048] Leveling the magnesium alloy plate and the aluminum alloy plate respectively, and then trimming the edges so that the width of the magnesium alloy core layer 2 is 20 less than the width of the cladding aluminum plate 1;

[0049] b), cleaning

[0050] First, the surface of the magnesium alloy plate and the aluminum plate to be compounded is cleaned with ethanol with a mass percentage concentration of 60%, and the oil stains on the surface of the magnesium alloy plate and the aluminum plate to be compounded are cleaned; then the NaOH solution with a mass percentage concentration of 2% and a temperature of 55 Wash for 6 minutes, rinse with clean water; then use mass percentage concentration of about 10% HNO 3 Wash with solution for 6 minutes; then ri...

Embodiment 3

[0063] see figure 1 , a kind of preparation method of high corrosion resistance, easy processing magnesium-aluminum alloy composite board strip, is characterized in that comprising the following steps:

[0064] a), smooth

[0065] Leveling the magnesium alloy sheet and the aluminum alloy sheet respectively, and then trimming the edges so that the width of the magnesium alloy core layer 2 is 30mm smaller than the width of the cladding aluminum sheet 1;

[0066] b), cleaning

[0067] First, the surface of the magnesium alloy plate and the aluminum plate to be compounded is cleaned with ethanol with a mass percentage concentration of 95%, and the oil stains on the surface of the magnesium alloy plate and the aluminum plate to be compounded are cleaned; Wash with NaOH solution for 10 minutes, rinse with water; then use HNO with a concentration of about 15% by mass 3 Wash with the solution for 10 minutes; then rinse with clean water and dry with cold air;

[0068] c), hair remo...

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Abstract

The invention discloses a preparation method of high-corrosion-resistance and easy-to-process magnesium aluminum alloy composite plate strip materials. The preparation method comprises the following steps of: a) flattening; b) cleaning; c) roughening; d) pre-compound treatment; e) warm rolling welding; and f) annealing heat treatment, so that the high-corrosion-resistance and easy-to-process magnesium aluminum alloy composite plate strip materials are obtained. The preparation method has the advantages that aluminum or aluminum alloy is covered between magnesium and magnesium alloy base materials and on the outer surfaces of the magnesium and magnesium alloy base materials, and good corrosion resistance performance and excellent plastic deformation of the aluminum and aluminum alloy are utilized for improving the magnesium cold rolling plastic deformation and improving the corrosion resistance performance.

Description

technical field [0001] The invention relates to a preparation method of a composite plate strip, in particular to a preparation method of a magnesium-aluminum alloy composite plate strip with high corrosion resistance and easy processing. Background technique [0002] Since the mid-1990s, with the rapid development of the economy, due to the increasingly serious problems of the world's energy and resource crises and environmental pollution, the development of magnesium alloy materials and The application has attracted more and more attention from all over the world; magnesium alloy has the smallest density, high specific strength and specific stiffness, abundant resources, good electromagnetic shielding, radiation resistance, thermal neutron capture cross section, good thermoformability, and easy mechanical Unique properties such as processing and good mechanical properties and damping, vibration and noise reduction capabilities have attracted widespread attention, and a glo...

Claims

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Application Information

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Patent Type & Authority Patents(China)
IPC IPC(8): B21B1/38B32B37/10B32B15/01
Inventor 王宏张十庆邹兴政李方赵安中
Owner CHONGQING MATERIALS RES INST
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