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Aluminum-aluminum composite material explosive welding method

An aluminum composite material, explosive welding technology, applied in welding equipment, welding/welding/cutting items, non-electric welding equipment, etc., can solve the problems of immature technology, low recombination rate of welding products, easy delamination, etc.

Active Publication Date: 2014-04-30
HUNAN FORHOME COMPOSITE MATERIALS CO LTD
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

At present, the explosive welding technology of metal sheets is immature, and the welding products have low recombination rate, unevenness, easy delamination, drumming, and vortex formation.

Method used

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  • Aluminum-aluminum composite material explosive welding method
  • Aluminum-aluminum composite material explosive welding method
  • Aluminum-aluminum composite material explosive welding method

Examples

Experimental program
Comparison scheme
Effect test

Embodiment 1

[0017] Polish the substrate aluminum (grade 1060, thickness 1mm, width 300mm, length 300mm) and double board lead plate (No. 1 lead, thickness 1mm, width 300mm, length 300mm) with a steel wire wheel to remove the oxide layer and completely expose the metallic luster . Press 1.7g / cm in the kit 2 Arrange the explosives evenly, and arrange the detonator 2 at the center of one end, and use 2.5g / cm within a radius of 5cm around the detonator 2 2 Arrange explosives, the explosives are No. 2 rock ammonium nitrate explosives; the drug box is placed flat on the combined buffer layer of 3mm corrugated paper 3 and 2mm rubber buffer layer 4; the combined buffer layer is in direct contact with the doubler board 5; the doubler board 5 and the base plate 7 are arranged in parallel , a support 6 is set in the middle, and the height of the support is 3mm; the substrate 7 is placed flat on the top of the 3mm thick flexible cushion 8 (rubber); below the flexible cushion 8 is a 4cm thick rigid c...

Embodiment 2

[0019] The substrate aluminum (grade 1060, thickness 0.8mm, width 300mm, length 300mm) and double board lead plate (thickness 0.8mm, width 300mm, length 300mm) are polished with a steel wire wheel to remove the oxide layer and completely expose the metallic luster. Press 1.6g / cm in the kit 2 Arrange the explosives evenly, and arrange the detonator at the center of one end, and use 2.2.5g / cm within a radius of 5cm around the detonator 2 Arrange explosives, the explosives are No. 2 rock ammonium nitrate explosives; the drug box is placed flat on the combined buffer layer of 4mm corrugated paper and 2.5mm rubber buffer layer; the combined buffer layer is in direct contact with the doubler board; the doubler board is arranged in parallel with the base plate, with support in the middle The height of the support is 2.5mm; the base plate is placed on the top of the 4mm thick flexible cushion (rubber); below the flexible cushion is a 5cm thick rigid cushion (steel plate), and below th...

Embodiment 3

[0021] The substrate aluminum (grade 1060, thickness 0.5mm, width 300mm, length 300mm) and double board lead plate (thickness 0.5mm, width 300mm, length 300mm) are polished with a steel wire wheel to remove the oxide layer and completely expose the metallic luster. Press 1.5g / cm in the kit 2 Arrange the explosives evenly, and arrange the detonator at the center of one end, and use 2.2g / cm within a radius of 6cm around the detonator 2 Arrange explosives, the explosives are No. 2 rock ammonium nitrate explosives; the drug box is placed flat on the combined buffer layer of 5mm corrugated paper and 3mm rubber buffer layer; the combined buffer layer is in direct contact with the doubler board; the doubler board and the base plate are arranged in parallel, with a support in the middle , the height of the support is 2mm; the substrate is placed flat on the top of the 5mm thick flexible cushion (rubber); below the flexible cushion is a 6cm thick rigid cushion (steel plate), and below ...

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Abstract

The invention relates to an aluminum-aluminum composite material explosive welding method. The method includes: parallelly placing an lead compound plate (5) on an aluminum base plate (7) through a support (6), laying a rubber buffer layer (4) on the compound plate (5) , laying a corrugated paper layer (3) on the rubber buffer layer (4), distributing a second rock ammonium nitrate explosives on the corrugated paper layer (3), placing the base plate (7) on a flexible cushion layer (8), placing a rigid cushion layer (9) below the flexible cushion layer (8), placing a clay foundation (10) below the rigid cushion layer (9), and obtaining the aluminum-aluminum composite material through explosive welding. The welding composite rate of the aluminum-aluminum composite plate produced by the method can reach 100%, and the aluminum-aluminum composite plate is even in composition, and free of phenomena such as layering, bulking and vortex.

Description

[0001] technical field [0002] The invention belongs to the technical field of explosive composite of metal materials, and in particular relates to an explosive welding method of lead-aluminum composite materials. Background technique [0003] Explosive welding technology (commonly known as explosive composite) uses explosives as the energy source, and through the detonation effect of explosives, one material (layer) collides with another material (base layer) at high speed to realize the metallurgical bonding of the two metals, and the bonding area appears as Corrugated metallurgical bond. Metal explosive composite materials are widely used in electronic power, aerospace, shipbuilding, marine engineering, petrochemical, metal smelting, nuclear industry and other industries and fields. At present, the explosive welding technology of metal sheets is immature, and the welding products have low recombination rate, unevenness, easy delamination, drumming, and vortex formation....

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): B23K20/08
CPCB23K20/08B23K20/16B23K20/26B23K2101/18B23K2103/18
Inventor 曾智恒
Owner HUNAN FORHOME COMPOSITE MATERIALS CO LTD
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