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Producing method for silver oxide welding material

A welding material, silver oxide technology, applied in welding/cutting medium/material, welding equipment, welding medium, etc., can solve the problem of uneven distribution of components, and achieve the effect of good joint toughness, smooth surface and large wetting force

Active Publication Date: 2014-04-23
江苏莱讯环境系统技术有限公司
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

Conventional welding materials are prepared by smelting. Due to the mixing of different materials, the cold rolling process will also cause uneven distribution of components.

Method used

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Examples

Experimental program
Comparison scheme
Effect test

Embodiment 1

[0015] A preparation method of silver oxide welding material, comprising the following steps:

[0016] (1) Take a stainless steel strip with a thickness of 0.5mm and clean the surface;

[0017] (2) Put the silver oxide powder into the sprayer, the nozzle diameter of the sprayer is 0.05cm, and then fix the sprayer on the moving device, and the uniform moving rate is 0.05cm / s;

[0018] (3) Coat a layer of glue on the upper surface of the stainless steel strip with a thickness of 0.01mm;

[0019] (4) Turn on the sprayer to spray the upper surface of the stainless steel strip to form a coating, repeat the spraying twice to obtain a coating thickness of 0.01mm, and dry naturally;

[0020] (5) Carry out the same treatment on the lower surface of the stainless steel strip to finally obtain the silver oxide welding material.

Embodiment 2

[0022] A preparation method of silver oxide welding material, comprising the following steps:

[0023] (1) Take a stainless steel strip with a thickness of 0.8mm and clean the surface;

[0024] (2) Put the silver oxide powder into the sprayer, the nozzle diameter of the sprayer is 0.10cm, and then fix the sprayer on the moving device, and the uniform moving rate is 0.10cm / s;

[0025] (3) Coat a layer of glue on the upper surface of the stainless steel strip with a thickness of 0.03mm;

[0026] (4) Turn on the sprayer to spray the upper surface of the stainless steel strip to form a coating, repeat the spraying 4 times to obtain a coating thickness of 0.03mm, and dry naturally;

[0027] (5) Carry out the same treatment on the lower surface of the stainless steel strip to finally obtain the silver oxide welding material.

Embodiment 3

[0029] A preparation method of silver oxide welding material, comprising the following steps:

[0030] (1) Take a stainless steel strip with a thickness of 0.6mm and clean the surface;

[0031] (2) Put the silver oxide powder into the sprayer, the nozzle diameter of the sprayer is 0.08cm, and then fix the sprayer on the mobile device, and the uniform moving rate is 0.08cm / s;

[0032] (3) Coat a layer of glue on the upper surface of the stainless steel strip with a thickness of 0.02mm;

[0033] (4) Turn on the sprayer to spray the upper surface of the stainless steel strip to form a coating, repeat the spraying 3 times to obtain a coating thickness of 0.02mm, and dry naturally;

[0034] (5) Carry out the same treatment on the lower surface of the stainless steel strip to finally obtain the silver oxide welding material.

[0035] The welding material obtained by the present invention is applied to the test, and the obtained result shows that the melting point is 500-610°C, the...

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Abstract

The invention relates to a producing method for a silver oxide welding material. The method comprises the steps of (1) cleaning the surface of a stainless steel band; (2) feeding silver oxide powder in a spraying machine, and fixing the spraying machine on a movable device to be moved at the uniform velocity; (3) coating a layer of glue on the upper surface of the stainless steel band; (4) starting the spraying machine to spray the upper surface of the stainless steel band to form a coating, repeating spraying for 2 to 4 times, and performing natural cooling; (5) performing same treating on the lower surface of the stainless steel band to obtain the silver oxide welding material eventually. According to the method, the silver oxide welding material is produced through a glue mode, so that the method is simple, the operation is facilitated, the obtained welding material is flat in surface, and as for the performance, silver has good electrical conductivity and mobility, so that the wetting power between the welding material and a substrate during welding is high, and the joint toughness is good. Besides, the welding material can be used as a base material, and welding materials of different specifications after binding pressing are obtained.

Description

technical field [0001] The invention relates to a preparation method of silver oxide welding material. Background technique [0002] Silver has good electrical and thermal conductivity. As a welding material, the welding point is flat, and the contact resistance is low and stable. Conventional welding materials are prepared by smelting. Due to the mixing of different materials, the cold rolling process will also cause uneven distribution of components. The price of silver is expensive, because it is necessary to adopt a preparation method that efficiently utilizes silver materials to improve the quality and performance of welding materials. Contents of the invention [0003] Aiming at the deficiencies of the prior art, the invention provides a preparation method of silver oxide soldering material. [0004] In order to solve the problems of the prior art, the technical solution adopted by the present invention is: a preparation method of silver oxide soldering material, c...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): B23K35/40
CPCB23K35/404
Inventor 钱云春
Owner 江苏莱讯环境系统技术有限公司
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