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1120 alloy aluminum foil of flexible sticky ceramic welding backing and production method thereof

A ceramic welding and pasting technology, which is applied in the field of aluminum foil processing, can solve problems such as warping and easy falling off that cannot meet the requirements for the stable and non-moving use of ceramic welding pads, and achieve the reduction of lattice defects and the improvement of flexibility , The effect of improving thermal conductivity

Active Publication Date: 2017-01-04
江阴新仁铝箔科技有限公司
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

This kind of aluminum foil tape, under the heat action of the welding arc, the part bonded to the bottom of the base metal in the heat-affected zone around the weld is deformed, warped, and easy to fall off due to heat, which cannot meet the requirements of the ceramic welding pad block during the welding process. The use requirements for maintaining stability and not moving

Method used

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  • 1120 alloy aluminum foil of flexible sticky ceramic welding backing and production method thereof

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Effect test

Embodiment 1

[0038] A kind of 1120 alloy flexible pasting type ceramic welding liner aluminum foil, the 1120 alloy flexible pasting type ceramic welding liner aluminum foil contains 0.20wt% iron, 0.10wt% silicon, 0.40wt% copper, 0.006wt% magnesium, 0.008 Wt% manganese, 0.003wt% zinc, 0.01wt% titanium, individual content of unremovable impurities < 0.03wt%, total content of unremovable impurities < 0.10wt%, and the rest is aluminum.

[0039] A kind of processing technology of 1120 alloy flexible paste type ceramic welding liner aluminum foil, its technology comprises following processing steps:

[0040] The first step: batching, the raw materials are configured according to the proportioning ratio described in claim 1;

[0041] The second step: smelting. After the prepared charge is melted and the slag is removed, when the melt temperature reaches 740~760°C, the copper element is directly evenly dispersed and thrown into the aluminum molten pool in the form of metal additives, and then stir...

Embodiment 2

[0056] A kind of 1120 alloy flexible pasting type ceramic welding backing aluminum foil, the 1120 alloy flexible pasting type ceramic welding backing aluminum foil contains 0.15wt% iron, 0.07wt% silicon, 0.30wt% copper, 0.003wt% magnesium, 0.003 Wt% manganese, 0.004wt% zinc, 0.016wt% titanium, individual content of non-removable impurities < 0.03wt%, total content of non-removable impurities < 0.10wt%, and the rest is aluminum.

[0057] A kind of processing technology of 1120 alloy flexible paste type ceramic welding liner aluminum foil, its technology comprises

[0058] The following processing steps:

[0059] The first step: batching, the raw materials are configured according to the proportioning ratio described in claim 1;

[0060] The second step: smelting. After the prepared charge is melted and the slag is removed, when the melt temperature reaches 740~760°C, the copper element is directly evenly dispersed and thrown into the aluminum molten pool in the form of metal a...

Embodiment 3

[0075] A kind of 1120 alloy flexible pasting type ceramic welding liner aluminum foil, the 1120 alloy flexible pasting type ceramic welding liner aluminum foil contains 0.10wt% iron, 0.04wt% silicon, 0.20wt% copper, 0.002wt% magnesium, 0.004 Wt% manganese, 0.003wt% zinc, 0.03wt% titanium, individual content of non-removable impurities < 0.03wt%, total content of non-removable impurities < 0.10wt%, and the rest is aluminum.

[0076] A kind of processing technology of 1120 alloy flexible paste type ceramic welding liner aluminum foil, its technology comprises following processing steps:

[0077] The first step: batching, the raw materials are configured according to the proportioning ratio described in claim 1;

[0078] The second step: smelting. After the prepared charge is melted and the slag is removed, when the melt temperature reaches 740~760°C, the copper element is directly evenly dispersed and thrown into the aluminum molten pool in the form of metal additives, and then ...

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Abstract

The invention discloses 1120 alloy aluminum foil of a flexible sticky ceramic welding backing and a processing technology thereof. According to the 1120 alloy aluminum foil, copper, iron, silicon and aluminum are adopted as main raw materials, the copper, the iron and the silicon are proportioned according to the weight ratio being 2 to 1 to 0.5, and the aluminum foil is obtained through the technological steps of smelting, continuous casting-rolling, cold rolling, recoiling and trimming, intermediate annealing, foil rolling, aluminum foil surface roughening, aluminum foil surface cleaning, aluminum foil shearing and splitting and finished product annealing. The produced 1120 alloy aluminum foil of the flexible sticky ceramic welding backing is 0.05-0.07 mm thick and has excellent flexibility, adhesiveness, heat resistance and thermal conductivity. Aluminum foil tape produced through the aluminum foil is good in flexibility, the part, adhering to the bottom of base metal in the heat-affected zone surrounding a welding line, of the aluminum foil tape is high in adhesiveness and good in heat dissipation effect and does not get deformed and warped or fall off easily on the condition of welding arc heating effect, and the use requirement of keeping stable in the welding process of the ceramic welding backing can be met.

Description

technical field [0001] The invention relates to a 1120 alloy flexible adhesive type ceramic welding backing aluminum foil and a preparation method thereof. The invention belongs to the technical field of aluminum foil processing. Background technique [0002] With the progress of society, the development of national economy and science and technology, the application and development of single-sided welding and double-sided forming technology have increasingly reflected its technical advantages of high quality, high efficiency, energy saving, environmental protection and low cost in welding methods. Flexible adhesive ceramic welding backing is quick and convenient to use and has strong adaptability to the welding position. It has been paid more and more attention in the single-side welding and double-side forming process and the forced forming process of the weld. In shipbuilding, boiler and other metal structure manufacturing Has been widely used. [0003] The flexible pas...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): C22C21/18C22C21/16C22C21/14C22F1/057
CPCC22C21/14C22C21/16C22C21/18C22F1/057
Inventor 吴丹黄善球范文慧王民生任志峰李跃初
Owner 江阴新仁铝箔科技有限公司
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