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A kind of high-performance brazing adhesive composition and preparation method thereof

A technology of adhesives and compositions, applied in welding equipment, manufacturing tools, welding media, etc., to achieve the effects of increasing specific surface area, increasing oxygen concentration, and facilitating chemical reactions

Active Publication Date: 2021-08-06
烟台精创力合科技有限公司
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

Therefore, the solution of adding free water can only be applied to brazing scenarios where there is no brazing flux and the contact metal has strong corrosion resistance

Method used

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  • A kind of high-performance brazing adhesive composition and preparation method thereof
  • A kind of high-performance brazing adhesive composition and preparation method thereof
  • A kind of high-performance brazing adhesive composition and preparation method thereof

Examples

Experimental program
Comparison scheme
Effect test

Embodiment example 1

[0043] Add 0.1 part of magnesium hydroxide, 0.1 part of nitrocellulose, and 0.1 part of potassium nitrate to the above resin solution A, and stir again. Then emulsify with the resin melt B according to the above steps, and then grind the emulsified liquid three times on a three-roller machine to obtain a solid particle diameter of 10 microns in the ground liquid to obtain the final product.

[0044] Put this product into a heating container and heat it to 100 degrees Celsius to soften. Take 1 part and 1 part of FB308S brazing flux powder and mix it in a stirring device, then add 2 parts of BAg30CuZnSn solder alloy powder, and stir to form an elastic body. Solder. The state of the elastomeric solder can achieve a certain degree of elasticity, viscosity and viscosity stability, and exhibits very excellent physical properties when making sticky tape and granular solder.

[0045] The control group was treated in the same way. Then execute Test A and Test C on them respectively. ...

Embodiment example 2

[0049] Add 0.1 part of magnesium hydroxide, 0.1 part of aluminum hydroxide, and 0.1 part of nitrocellulose to the above-mentioned resin melt solution A, and fully stir again. Then emulsify with the resin melt B according to the above steps, and then grind the emulsified liquid three times on a three-roller machine to obtain a solid particle diameter of 10 microns in the ground liquid to obtain the final product.

[0050] Put this product into a heating container and heat it to 100 degrees Celsius to soften. Take 1 part and 1 part of FB308S brazing flux powder and mix it in a stirring device, then add 2 parts of BAg30CuZnSn solder alloy powder, and stir to form an elastic body. Solder. The state of the elastomeric solder can achieve a certain degree of elasticity, viscosity and viscosity stability, and exhibits very excellent physical properties when making sticky tape and granular solder.

[0051] The control group was treated in the same way. Then execute Test A and Test C ...

Embodiment example 3

[0054] Add 0.1 part of nickel hydroxide, 0.1 part of nitrocellulose, and 0.1 part of ferric nitrate to the above-mentioned resin melt A, and fully stir again. Then emulsify with the resin melt B according to the above steps, and then grind the emulsified liquid three times on a three-roller machine to obtain a solid particle diameter of 0.5 microns in the ground liquid to obtain the final product.

[0055] Put this product into a heating container and heat it to 100 degrees Celsius to soften it. Take 1 part and 3 parts of BNi-2 solder alloy powder and stir to make a solder paste. The state of the elastomeric solder can achieve a certain degree of elasticity, viscosity and viscosity stability, and exhibits very excellent physical properties when making sticky tape and granular solder.

[0056] The control group was treated in the same way. Then execute Test B and Test D on it respectively. In control group 1, the nitrocellulose and ferric nitrate added in the above materials ...

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Abstract

The invention provides a high-performance brazing adhesive composition and a preparation method thereof. The adhesive contains substances that release oxygen when heated, substances that release water when heated, and organic matter with adhesive properties. The present application can better optimize the properties of the brazing adhesive to meet the process requirements and at the same time reduce brazing defects and obtain better brazing quality.

Description

technical field [0001] The invention relates to the technical field of brazing, in particular to a high-performance brazing adhesive composition and a preparation method thereof. Background technique [0002] During the welding process of brazing, as the temperature rises, the brazing aid gradually melts and begins to work. As the temperature continues to rise, the solder alloy also melts and flows to the brazed joint under the action of the flux. In addition to brazing fluxes and brazing alloys, the role of brazing adhesives is to link brazing fluxes, brazing filler metals, base metals and other materials involved in brazing in different ways at room temperature, so as to Meet various technological requirements. [0003] The environment in which the soldering adhesive works is normal temperature. When brazing is performed, the assembled workpiece is heated to brazing temperature, usually above 450 degrees Celsius. During the process of temperature rise, the soldering ad...

Claims

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Application Information

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Patent Type & Authority Patents(China)
IPC IPC(8): B23K35/36B23K35/14
CPCB23K35/025B23K35/3601B23K35/3602B23K35/3612
Inventor 孙韶
Owner 烟台精创力合科技有限公司
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