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Explosive welding forming method of magnesium-aluminum alloy composite plate

A magnesium-aluminum alloy and explosive welding technology, which is applied in welding equipment, metal processing, non-electric welding equipment, etc., can solve the problems of poor corrosion resistance of magnesium alloy, failure to meet the requirements of metal product parts, low strength and hardness, etc.

Inactive Publication Date: 2015-10-21
TAIYUAN UNIV OF TECH
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  • Description
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Problems solved by technology

[0002] Magnesium alloy AZ31B is a widely used wrought magnesium alloy, which has potential application value in the fields of automobile, aerospace, electronics, etc. However, the poor corrosion resistance, low strength and hardness of magnesium alloys greatly limit the application of magnesium alloys. sex
[0003] At present, there are many ways to improve the corrosion resistance and mechanical properties of magnesium alloys, such as grain refinement, component purification, surface coating, extrusion molding, metallurgical doping with boron carbide, etc.; but for large-area magnesium alloys The processing of the plates is not ideal enough to meet the requirements of metal products for parts. The strength, hardness and corrosion resistance are all at a lower level. The extruded plates are easy to crack and fall off, which has become a major problem in the processing process. disadvantages

Method used

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  • Explosive welding forming method of magnesium-aluminum alloy composite plate
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  • Explosive welding forming method of magnesium-aluminum alloy composite plate

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Embodiment Construction

[0059] The present invention will be further described below in conjunction with accompanying drawing:

[0060] figure 1 As shown, the installation state diagram is prepared for the explosive forming process of magnesium-aluminum alloy composite panels. The position of each part must be correct, prepared according to the quantity, and operated in sequence.

[0061] The preparation parameters of the explosive molding process are determined according to the preset range, with grams, millimeters, and milliliters as measurement units.

[0062] The explosive forming of the magnesium-aluminum alloy composite board is carried out on the open soil ground, and the magnesium alloy substrate, the gap column, the aluminum alloy composite board, the butter buffer protection layer, the ammonium oil explosive, the detonator, and the lead wire are placed on the sand foundation. It is completed instantaneously under the explosion of ammonium oil explosives;

[0063] The earthy ground 10 is s...

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Abstract

The invention relates to an explosive welding forming method of magnesium and aluminum alloy composite plates. The explosive welding is performed according to the performance requirements of the magnesium and aluminum alloy composite plates, ammonium nitrate fuel oil mixture is adopted, and long-distance instantaneous explosive form is performed on a ground sand base. The welding method is high in forming speed, welding line is firm and is good in metallographic structure compactness, the combined rate is up to 99.5%, the interfacial shear strength is 120MPa, on the premise of strict operation, the welding process is safe and reliable, and the method is reliable and effective in magnesium and aluminum alloy composite plate production.

Description

technical field [0001] The invention relates to an explosive welding forming method of a magnesium-aluminum alloy composite plate, which belongs to the technical field of processing and manufacturing non-ferrous metal plate materials. Background technique [0002] Magnesium alloy AZ31B is a widely used wrought magnesium alloy, which has potential application value in the fields of automobile, aerospace, electronics, etc. However, the poor corrosion resistance, low strength and hardness of magnesium alloys greatly limit the application of magnesium alloys. sex. [0003] At present, there are many ways to improve the corrosion resistance and mechanical properties of magnesium alloys, such as grain refinement, component purification, surface coating, extrusion molding, metallurgical doping with boron carbide, etc.; but for large-area magnesium alloys The processing of the plates is not ideal enough to meet the requirements of metal products for parts. The strength, hardness an...

Claims

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Application Information

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Patent Type & Authority Patents(China)
IPC IPC(8): B23P15/00B23K20/08
CPCB21C37/02B23K20/08B23K2101/185
Inventor 王文先张婷婷范述宁张楠王玢武佳琪王政
Owner TAIYUAN UNIV OF TECH
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