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Preparation method of magnesium/aluminum-based laminated composite plate

A composite plate and aluminum alloy plate technology, which is applied in the direction of manufacturing tools, welding equipment, metal processing equipment, etc., can solve the problems of harsh preparation conditions, high equipment requirements, and poor composite effect, so as to suppress the generation of interface brittle phase, interface combined with good effect

Active Publication Date: 2018-06-22
TAIYUAN UNIV OF TECH
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Problems solved by technology

[0004] The present invention solves the problems of harsh preparation conditions, poor composite effect and high requirements on equipment in the existing preparation method of magnesium alloy base-layer composite plate, and provides a magnesium alloy with simple preparation process, good composite effect and low equipment requirements. / Preparation method of aluminum-based laminated composite board

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  • Preparation method of magnesium/aluminum-based laminated composite plate
  • Preparation method of magnesium/aluminum-based laminated composite plate
  • Preparation method of magnesium/aluminum-based laminated composite plate

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Embodiment Construction

[0036] The preparation method of magnesium / aluminum-based laminated board comprises the following steps:

[0037] (1), pretreatment of the plate

[0038] Sandpaper the surface of the magnesium alloy plate and aluminum alloy plate to remove the oxide layer on the surface, perform ultrasonic cleaning and then air dry;

[0039] (2), sputtering copper layer on the surface of the plate

[0040] The sputtering copper layer on the surface of the magnesium alloy plate and aluminum alloy plate is carried out in the following operation steps under the conditions of argon atmosphere, arc glow and external water circulation cooling:

[0041] a. Turn on the main power supply of the equipment, turn on the external water circulation cooling system, open the gas charging valve, and when the air pressure in the furnace rises to the standard atmospheric pressure, open the upper cover of the magnetron sputtering furnace;

[0042] b. Put the magnesium alloy plate on the workbench of the magnetr...

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Abstract

The invention relates to a preparation method of metal composite plates, in particular to a preparation method of a magnesium / aluminum-based laminated composite plate in order to solve the problems that an existing preparation method of the magnesium / aluminum-based laminated composite plate has the disadvantages that the required preparation conditions are strict, the composite effect is poor, andthe requirements for equipment are high in the prior art. The preparation method comprises the steps of 1, conducting grinding, ultrasonic cleaning and air-drying; 2, sputtering copper coatings on the surfaces of a magnesium-aluminum alloy plat under an argon environment and the conditions of arc-added glow discharge and external water circulating cooling; 3, selecting a graphite die to conduct hot-pressing sintering on the magnesium / aluminum-based laminated composite plate in a plasma discharge sintering furnace under the conditions of current heating, pressurization and external water circulating cooling; and 4, conducting grinding and sanding treatment. The preparation method has the advantages that interface bonding of the magnesium / aluminum-based laminated composite plate is good, and the magnesium / aluminum-based laminated composite plate has no defects such as cracks and pores; a 3-micron element diffusion layer exists at the magnesium / copper interface, a 7-micron element diffusion layer exists at the copper / aluminum interface, and generation of brittle phases is restrained through the copper coatings sputtered at the interfaces; the interface bonding strength of the magnesium / aluminum-based laminated composite plate can reach 80 MPa.

Description

technical field [0001] The invention relates to a method for preparing a metal composite board, in particular to a method for preparing a magnesium / aluminum base layer composite board. Background technique [0002] Non-ferrous metal magnesium alloy has the advantages of low density, high specific strength / specific stiffness, large elastic modulus, good shock absorption, and recyclability. It is the lightest metal material found so far and has been widely used in aerospace. , transportation, medical equipment and automobile manufacturing and other industrial fields. However, magnesium alloys have the disadvantages of poor corrosion resistance and low plasticity, which limit the development of magnesium alloys to a certain extent. In order to improve the corrosion resistance and plasticity of magnesium alloys, a layer of metal materials with good corrosion resistance and high plasticity is often coated on the surface of magnesium alloys, such as coating a layer of aluminum al...

Claims

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Application Information

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IPC IPC(8): B23K1/008B23K1/20
CPCB23K1/008B23K1/20B23K1/206
Inventor 杜华云王文先陈洪胜刘瑞峰王晋凤张宇阳
Owner TAIYUAN UNIV OF TECH
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