Stainless steel argon tungsten-arc welding active agent and preparation method and application thereof

A technology of argon tungsten arc welding and activator, applied in arc welding equipment, welding equipment, welding equipment and other directions, can solve problems such as the limitation of welding joint penetration, achieve good economic benefits, deep weld penetration, production Efficient effect

Inactive Publication Date: 2020-09-01
JIUJIANG HAITIAN EQUIP MFG CO LTD
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

The active agents in the prior art are mainly composed of oxides, chlorides and a small amount of fluorides, but there are certain limitations in improving the penetration of welded joints

Method used

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  • Stainless steel argon tungsten-arc welding active agent and preparation method and application thereof
  • Stainless steel argon tungsten-arc welding active agent and preparation method and application thereof
  • Stainless steel argon tungsten-arc welding active agent and preparation method and application thereof

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preparation example Construction

[0043] A stainless steel tungsten argon arc welding activator of the present invention and its preparation method and application, a stainless steel tungsten argon arc welding activator, comprising the following components in weight percentage:

[0044] SiO 2 Powder 35-45%;

[0045] TiO 2 Powder 20-25%;

[0046] Cr 2 o 3 Powder 8-12%;

[0047] MnO powder 5-10%;

[0048] NiO powder 5-10%;

[0049] CuO powder 10-15%.

[0050] Wherein in the present invention, the SiO 2 Powder, TiO 2 Powder, Cr 2 o 3 The average particle diameters of the powder, MnO powder, NiO powder and CuO powder are all 200 μm to 300 μm.

[0051] The stainless steel tungsten argon arc welding activator of the present invention is made of SiO 2 、TiO 2 、Cr 2 o 3 , MnO, NiO and CuO powders are composed of six powders, do not contain precious metals, and its cost is low, less than 130 yuan per kilogram, and it is non-toxic and environmentally friendly. Compared with conventional tungsten argon arc...

Embodiment 1

[0064] Prepare stainless steel tungsten argon arc welding activator according to the following steps:

[0065] S1, weighed by mass percentage: 40% SiO 2 Powder, 22%TiO 2 Powder, 10%Cr 2 o 3 Powder, 8% MnO powder, 8% NiO powder and 12% CuO powder, configured as active agent powder; where SiO 2 Powder, TiO 2 Powder, Cr 2 o 3 The average particle diameter of the powder, MnO powder, NiO powder, and CuO powder is all 200 μm.

[0066] S2. Grinding the active agent powder sufficiently so that the particle size does not exceed 100 μm.

[0067] S3, drying the ground activator powder in a drying oven for 1 hour to remove crystal water in the activator powder to obtain a stainless steel tungsten argon arc welding activator.

[0068] The obtained stainless steel tungsten argon arc welding activator is applied according to the following steps:

[0069] (1) Pour the prepared active agent into a beaker, then add an appropriate amount of acetone with a dropper, and keep stirring the ...

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Abstract

The invention belongs to the field of active agents for welding, and particularly relates to a stainless steel argon tungsten-arc welding active agent and a preparation method and application thereof.The stainless steel argon tungsten-arc welding active agent is prepared from the following components in percentage by weight: 35-45% of SiO2 powder, 20-25% TiO2 powder, 8-12% of Cr2O3 powder, 5-10%of MnO powder, 5-10% of NiO powder and 10-15% of CuO powder. The stainless steel argon tungsten-arc welding active agent does not contain precious metal, is low in cost, is non-poisonous and environmentally friendly, compared with methods such as general argon tungsten-arc welding, and the efficient active agent performs A-TIG welding on stainless steel and has the advantages of deep weld penetration, high production efficiency and reliable quality. The active agent is coated on the surface to be welded, the weld penetration is increased, the welding joint mechanical performance is obviously improved at the same parameter, 13mm welding by one side and molding by two sides can be realized, expensive welding equipment is not required, and good economic benefits and wide application prospectsare achieved.

Description

technical field [0001] The invention belongs to the field of activating agents for welding, and in particular relates to an activating agent for stainless steel tungsten argon arc welding and its preparation method and application. Background technique [0002] In recent years, stainless steel, as an important engineering material, has been used more and more widely with the vigorous development of industry. Stainless steel is the abbreviation of stainless acid-resistant steel. It is a kind of steel that is resistant to weak corrosive media such as air, steam, and water, or has stainless properties. Due to the limited current-carrying capacity of the tungsten electrode itself, tungsten argon arc welding (TIG) limits the upper limit of the arc power, resulting in a shallow single-pass welding seam penetration. For stainless steel plates with a thickness greater than 3mm, it is necessary to open a bevel for multiple passes. weld. Although increasing the welding current can i...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): B23K35/362B23K9/167
CPCB23K9/167B23K35/3602B23K35/362
Inventor 任泽良张成高谈云段水金余细平
Owner JIUJIANG HAITIAN EQUIP MFG CO LTD
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