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A kind of explosion welding method of titanium/aluminum/steel multilayer composite board

An explosive welding and composite plate technology, which is applied in welding equipment, welding/welding/cutting items, non-electric welding equipment, etc., can solve the problems of luxury, limited aluminum corrosion resistance, etc., and achieve low explosion speed, low strength, and improved comprehensive benefits Effect

Active Publication Date: 2017-12-05
安徽弘雷金属复合材料科技有限公司
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AI Technical Summary

Problems solved by technology

However, the corrosion resistance of aluminum is limited, and it is a bit extravagant to use precious titanium as the transition layer.

Method used

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Examples

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Embodiment

[0014] Embodiment: A method for solving the serious thinning of the aluminum material in the middle layer during the explosive composite process of titanium / aluminum / steel in the current technology. Take the titanium / aluminum / steel composite plate, 8 / 6 / 24mm, applied on the sodium chloride electrolytic cell as an example: in the first explosive welding, 24mm steel plate and 6mm aluminum are used as the cladding layer, and the explosive welding process parameters are as follows: The detonation velocity is 1600m / s powdery emulsion explosive, supported by 0.15mm copper foil, the support height is 8mm, the charge is 50mm, the aluminum layer thinning after explosion is about 1.0mm~1.2mm; , using 2mm aluminum as the cladding layer, 8mm titanium plate as the base layer, and its explosive welding process parameters: the detonation velocity is 1600m / s powdery emulsion explosive, 0.15mm copper foil is used as the support, the support height is 5mm, and the charge is 30mm. The thinning am...

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Abstract

The invention provides an explosive welding method of a titanium-aluminum-steel multilayer explosive composite board. The explosive welding method comprises the following steps of: carrying out explosive welding three times, to be specific, carrying out explosive welding for the first time by taking aluminum as a composite layer and titanium as a base layer to obtain an aluminum-titanium composite board; carrying out explosive welding for the second time by taking aluminum as a composite board and steel as a base board to obtain an aluminum-steel explosive composite board; and carrying out explosive welding for the third time by taking the aluminum-titanium composite board as a composite board, the aluminum-steel composite board as a base board and an aluminum board as an explosive joint surface to obtain a titanium-aluminum-aluminum-steel four-layer composite board which is the titanium-aluminum-steel explosive composite board in fact. When titanium, aluminum, aluminum and steel are composited through the third explosion, the upper and lower of the joint surface are aluminum plates which are low in intensity and melting point, and welding is realized by a low-detonation velocity and low-explosive load explosion method; and an aluminum-steel interface is ensured not to be stratified.

Description

technical field [0001] The invention relates to a solution to the problems of easy delamination of aluminum / steel, severe thinning of the aluminum plate in the middle layer, non-welding of the titanium / aluminum joint surface, etc. The explosive welding method belongs to the field of composite material manufacturing. Background technique [0002] With its excellent corrosion resistance, titanium plate can be fully utilized under many corrosion conditions. Aluminum has the characteristics of low specific gravity and excellent electrical conductivity, making it the most cost-effective conductive material. Titanium is used as a corrosion-resistant metal, aluminum is used as a conductive metal, and steel is used as a load-bearing metal to form a titanium / aluminum / steel composite plate. The application of titanium / aluminum / steel composite plates in sodium chloride electrolytic cells fully demonstrates the superior characteristics of each group of metals (titanium is resistant to...

Claims

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Application Information

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Patent Type & Authority Patents(China)
IPC IPC(8): B23K20/08B23K20/227B23K20/233B23K101/18B23K103/18B23K103/20
CPCB23K20/08B23K20/2275B23K20/2333B23K2101/18B23K2103/18B23K2103/20
Inventor 夏小院杭逸夫方雨张剑夏克瑞赵鹏飞李超吕洪
Owner 安徽弘雷金属复合材料科技有限公司
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