Stable-structure welding wire without copper plating coating

A technology with stable structure and no copper plating, which is applied in the direction of welding medium, welding equipment, welding/cutting medium/material, etc. It can solve the problem of difficult deposition layer on the surface of welding wire, unstable coating layer content, and difficult to obtain long-distance Solve the problems of hot-dip galvanized welding wire, and achieve the effects of reducing gas overflow spatter, improving arc stability, and improving brittleness

Inactive Publication Date: 2016-12-14
安徽飞弧焊业股份有限公司
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

However, it is difficult to achieve a rapid deposition layer on the surface of the welding wire by electroplating, and it is difficult to obtain long-distance hot-dip galvanized welding wire by using the method of hot-dip plating. The content of the coating layer obtained on the surface of the welding wire by mechanical alloying is not very stable.

Method used

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Examples

Experimental program
Comparison scheme
Effect test

Embodiment 1

[0023] A structurally stable non-copper-coated welding wire proposed by the present invention includes a welding wire substrate and a coating layer. The raw materials of the coating layer include by weight: 30 parts of iron alloy powder, 20 parts of titanium powder, 10 parts of titanium dioxide powder, 8 parts of calcium carbonate powder, 7 parts of magnesium carbonate powder, 8 parts of manganese oxide powder, 15 parts of silicon nitride powder, 1 part of rare earth, 2 parts of modified attapulgite, 0.09 part of germanium powder, and 0.95 part of hafnium powder.

[0024] The modified attapulgite is prepared according to the following process:

[0025] S1. After crushing and grinding the attapulgite, burn it at 500°C for 50 minutes, cool it down to room temperature, soak it in 35% hydrochloric acid, stir it mechanically for 60 minutes, wash it with water, dry it in saturated AlCl 3 solution, mechanically stirred at room temperature for 35 minutes, filtered, dried, and crushed ...

Embodiment 2

[0028] A structurally stable non-copper-coated welding wire proposed by the present invention includes a welding wire matrix and a coating layer. The raw materials of the coating layer include by weight: 35 parts of iron alloy powder, 20 parts of titanium powder, 15 parts of titanium dioxide powder, carbonic acid 7 parts of calcium powder, 8 parts of magnesium carbonate powder, 7 parts of manganese oxide powder, 14.5 parts of silicon nitride powder, 1.1 parts of rare earth, 3.5 parts of modified attapulgite, 1.9 parts of germanium powder, and 0.5 part of hafnium powder.

[0029] Wherein, the ferroalloy powder is composed of ferromanganese alloy, rare earth nickel-iron alloy, titanium-iron alloy, molybdenum-iron alloy, silicon-calcium alloy, and the weight ratio of manganese-ferroalloy, rare-earth nickel-iron alloy, titanium-iron alloy, molybdenum-iron alloy, silicon-calcium alloy is 2.5:2:2 :2:1.5;

[0030] The particle size of each raw material of the coating layer is 490 mes...

Embodiment 3

[0036] A structurally stable non-copper-coated welding wire proposed by the present invention includes a welding wire matrix and a coating layer. The raw materials of the coating layer include by weight: 41 parts of iron alloy powder, 14 parts of titanium powder, 10 parts of titanium dioxide powder, carbonic acid 6 parts of calcium powder, 6 parts of magnesium carbonate powder, 6.04 parts of manganese oxide powder, 13.5 parts of silicon nitride powder, 1.5 parts of rare earth, 4 parts of modified attapulgite, 1.8 parts of germanium powder, and 0.06 part of hafnium powder.

[0037] Wherein, the ferroalloy powder is composed of ferromanganese alloy, rare earth nickel-iron alloy, titanium-iron alloy, molybdenum-iron alloy, silicon-calcium alloy, and the weight ratio of manganese-ferroalloy, rare-earth nickel-iron alloy, titanium-iron alloy, molybdenum-iron alloy, and silicon-calcium alloy is 2:2.5:2.5 :1.5:1.5;

[0038] The particle size of each raw material of the coating layer is...

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Abstract

The invention provides a stable-structure welding wire without a copper plating coating. The stable-structure welding wire comprises a welding wire base body and a coating layer, wherein the coating layer comprises the following raw materials in parts by weight: 30-60 parts of iron alloy powder, 15-30 parts of titanium and titanium dioxide powder, 2-8 parts of calcium carbonate powder, 2-8 parts of magnesium carbonate powder, 0.5-8 parts of manganese oxide powder, 2-15 parts of silicon nitride powder, 0.5-1.5 parts of rare earth, 2-6 parts of modified attapulgite, 0.09-1.9 parts of germanium powder and 0.06-0.95 part of hafnium powder. The stable-structure welding wire without the copper plating coating, provided by the invention, has the advantages of good wear resistance, good arc stability, and the like.

Description

technical field [0001] The invention relates to the technical field of welding wires, in particular to a welding wire with a stable structure and no copper-plated coating. Background technique [0002] With the continuous increase in the demand for welding wire, the research and development of excellent performance and environmentally friendly welding wire is particularly important. The surface coating of traditional copper-plated welding wire is mainly copper plating. The main function of copper plating is to prevent rust and conduct electricity. However, various chemical acids and alkali gases generated during the preparation process will pollute the environment and endanger human health. Waste plating Liquids can also be harmful to the environment. At present, the development of non-copper-coated welding wire has made some progress. However, there are still problems such as uneven coating, poor bonding force, unsatisfactory welding effect, and waste gas and waste liquid...

Claims

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Application Information

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IPC IPC(8): B23K35/362
CPCB23K35/362
Inventor 卢齐元
Owner 安徽飞弧焊业股份有限公司
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