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High-tenacity anti-cracking aluminum alloy welding stick

An aluminum alloy welding wire, anti-cracking technology, applied in the direction of welding medium, welding equipment, metal processing equipment, etc., can solve the problems of low toughness of welded joints, large welding spatter, unfavorable normal use of welded components, etc.

Inactive Publication Date: 2017-09-19
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

With the development of industry, the demand for aluminum alloy welding components is increasing. The welding quality and welding efficiency are determined by welding materials and welding processes. The internal quality of aluminum alloy welding wire depends largely on the primary aluminum The quality of the material, the current aluminum alloy welding wire still has unreasonable components, large welding spatter, low toughness of welded joints, and poor crack resistance, which is not conducive to the normal use of welded components.

Method used

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Examples

Experimental program
Comparison scheme
Effect test

Embodiment 1

[0015] A high-toughness anti-cracking aluminum alloy welding wire proposed by the present invention comprises the following components by mass fraction: Mg: 1%, Be: 0.2%, Si: 0.25%, Mn: 0.12%, Cr: 0.1%, Cu: 0.4%, Ti: 0.2%, Sr: 0.04%, Mo: 0.2%, W: 0.6%, V: 0.4%, Nb: 0.15%, Zr: 0.1%, Nd: 0.15%, Sc: 0.02%, Ce: 0.08%, Eu: 0.01%, Y: 0.1%, and the rest are Al and unavoidable impurities.

Embodiment 2

[0017] A high-toughness anti-cracking aluminum alloy welding wire proposed by the present invention comprises the following components by mass fraction: Mg: 1.5%, Be: 0.1%, Si: 0.45%, Mn: 0.05%, Cr: 0.2%, Cu: 0.25%, Ti: 0.3%, Sr: 0.01%, Mo: 0.8%, W: 0.2%, V: 0.4%, Nb: 0.15%, Zr: 0.1%, Nd: 0.15%, Sc: 0.02%, Ce: 0.08%, Eu: 0.01%, Y: 0.1%, and the rest are Al and unavoidable impurities.

Embodiment 3

[0019] A high-toughness anti-cracking aluminum alloy welding wire proposed by the present invention comprises the following components by mass fraction: Mg: 1.25%, Be: 0.16%, Si: 0.35%, Mn: 0.08%, Cr: 0.14%, Cu: 0.33%, Ti: 0.26%, Sr: 0.025%, Mo: 0.5%, W: 0.4%, V: 0.55%, Nb: 0.11%, Zr: 0.15%, Nd: 0.12%, Sc: 0.04%, Ce: 0.05%, Eu: 0.03%, Y: 0.06%, and the rest are Al and unavoidable impurities.

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PUM

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Abstract

The invention discloses a high-tenacity anti-cracking aluminum alloy welding stick. The high-tenacity anti-cracking aluminum alloy welding stick comprises components including, by mass percent, Mg, Be, Si, Mn, Cr, Cu, Ti, Sr, Mo, W, V, Nb, Zr, Nd, Sc, Ce, Eu, Y and the balance Al and inevitable impurities. The provided high-tenacity anti-cracking aluminum alloy welding stick is reasonable in formula, arc stability is good, welding line forming is attractive, strength is high, low-temperature resistance and impact resistance are good, the bonding strength between the welding stick and a mother material is large, and performance is stable.

Description

technical field [0001] The invention relates to the field of welding wire technology, in particular to a high-toughness and anti-cracking aluminum alloy welding wire. Background technique [0002] Aluminum alloy has light weight, high strength, excellent electrical conductivity, thermal conductivity and corrosion resistance, and has been widely used in aviation, aerospace, automobile, machinery manufacturing, shipbuilding and chemical industries. With the development of industry, the demand for aluminum alloy welding components is increasing. The welding quality and welding efficiency are determined by welding materials and welding processes. The internal quality of aluminum alloy welding wire depends largely on the primary aluminum Due to the quality of the material, the current aluminum alloy welding wire still has unreasonable components, large welding spatter, low toughness of welded joints, and poor crack resistance, which is not conducive to the normal use of welded co...

Claims

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Application Information

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IPC IPC(8): B23K35/28
CPCB23K35/286
Inventor 卢齐元
Owner 安徽飞弧焊业股份有限公司
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