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Aluminum-erbium alloy welding wire and preparation method thereof

An alloy welding wire and alloy technology, which is applied in welding equipment, metal processing equipment, manufacturing tools, etc., can solve the problems of low corrosion resistance and self-quality stability of alloy welding wire, insufficient performance and quality of welding joints, and complicated processing process. Achieve the effect of high yield, high corrosion resistance and simple processing technology

Inactive Publication Date: 2022-08-09
广西稀铝新材料科技有限公司
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

[0004] The object of the present invention is to provide a kind of aluminum-erbium alloy welding wire and preparation method thereof, to solve the performance and quality of the welding joint of the existing alloy welding wire proposed in the above-mentioned background technology is not enough in the welding process, it is mainly the resistance of the alloy welding wire The corrosion performance and quality stability are low, and the processing process is relatively complicated and the cost is high

Method used

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Examples

Experimental program
Comparison scheme
Effect test

Embodiment 1

[0024] First, the corresponding mass fractions of Cu: 10%, Fe: 0.1%, Ti: 1.0%, Mg: 0.8%, Zr: 10%, Cr: 0.01%, Sc: 0.1%, Er: 0.6%, Zn: 2%, and 0.1% of other impurities, and the balance is Al. First, the bulk metal in the alloy composition is processed into powder or chip form, and the Al and intermediate alloy in the alloy composition are in the order of melting point from high to low. Put it into the smelting furnace for smelting, and add a refining agent with a mass of 0.03% of the total alloy at a constant rate, heat it up to 900 ° C, and use electromagnetic stirring to accelerate the dissolution at a power of 200 kw to obtain an aluminum-erbium alloy liquid, and then aluminum The erbium alloy liquid is poured into a holding furnace with a set temperature of 700 °C for heat preservation, and a rotary degasser is used to pass chlorine and argon into the alloy liquid for refining and degassing. When the temperature of the aluminum-erbium alloy liquid is 680 °C, Use a slag remov...

Embodiment 2

[0026] First, weigh the corresponding mass fractions of Cu: 15%, Fe: 0.2%, Ti: 2%, Mg: 1.4%, Zr: 13%, Cr: 0.03%, Sc: 0.3%, Er: 0.8%, Zn: 3%, and 0.1% of other impurities, and the balance is Al. First, the bulk metal in the alloy composition is processed into powder or chip form, and the Al and intermediate alloy in the alloy composition are in the order of melting point from high to low. Put it into a melting furnace for melting, and add a refining agent with a mass of 0.04% of the total alloy at a constant rate, heat it up to 925 ° C, and use electromagnetic stirring to accelerate dissolution at a power of 225 kw to obtain aluminum-erbium alloy liquid, and then aluminum The erbium alloy liquid is poured into a holding furnace with a set temperature of 725 °C for heat preservation, and a rotary degasser is used to pass chlorine and argon into the alloy liquid for refining and degassing. When the temperature of the aluminum-erbium alloy liquid is 695 °C, Use a slag removal truc...

Embodiment 3

[0028] First, weigh the corresponding mass fractions of Cu: 25%, Fe: 0.3%, Ti: 3.0%, Mg: 2%, Zr: 15%, Cr: 0.05%, Sc: 0.5%, Er: 1%, Zn: 4%, and 0.1% of other impurities, the balance is Al, first process the bulk metal in the alloy composition into powder or chip form, and the Al in the alloy composition and the intermediate alloy in the order of melting point from high to low. Put it into a melting furnace for melting, and add a refining agent with a mass of 0.05% of the total alloy at a constant rate, heat it up to 950 ° C, and use electromagnetic stirring to accelerate the dissolution at a power of 250 kw to obtain an aluminum-erbium alloy liquid, and then aluminum The erbium alloy liquid is poured into a holding furnace with a set temperature of 750 °C for heat preservation, and a rotary degasser is used to pass chlorine and argon gas into the alloy liquid for refining and degassing. When the temperature of the aluminum-erbium alloy liquid is 720 °C, Use a slag removal truck...

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Abstract

The invention discloses an aluminum erbium alloy welding wire and a preparation method thereof in the technical field of welding wire processing, and the aluminum erbium alloy welding wire comprises the following alloy components in percentage by mass: 10%-25% of Cu, 0.1%-0.3% of Fe, 1.0%-3.0% of Ti, 0.8%-2% of Mg, 10%-15% of Zr, 0.01%-0.05% of Cr, 0.1%-0.5% of Sc, 0.6%-1% of Er, 2%-4% of Zn, less than or equal to 0.03% of single content of other impurity elements, less than or equal to 0.1% of total content of other impurity elements and the balance of Al. According to the aluminum-erbium alloy welding wire and the preparation method thereof, AL, Er and the intermediate alloy are mixed, smelted and refined, the aluminum-erbium alloy welding wire is formed into a blank through slagging-off and pouring, and through repeated cold drawing and annealing treatment, the prepared aluminum-erbium alloy welding wire is high in corrosion resistance, high in quality strength, simple in machining process, high in yield and low in preparation cost.

Description

technical field [0001] The invention relates to the technical field of welding wire processing, in particular to an aluminum-erbium alloy welding wire and a preparation method thereof. Background technique [0002] Welding wire is used as filler metal or as conductive wire welding material at the same time. In gas welding and gas tungsten arc welding, the welding wire is used as filler metal; in submerged arc welding, electroslag welding and other gas shielded arc welding , the welding wire is not only a filler metal, but also a conductive electrode. The surface of the welding wire is not coated with anti-oxidation flux. Most welding wires belong to this category, including carbon steel welding wire, low alloy structural steel welding wire, alloy structural steel welding wire, stainless steel welding wire and non-ferrous welding wire. Metal welding wire, etc. [0003] The performance and quality of the welding junction of the existing alloy welding wire are insufficient dur...

Claims

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Application Information

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IPC IPC(8): B23K35/02B23K35/28B23K35/40C22C1/02C22C1/03C22C21/00C22C21/16C22C21/18C22F1/04C22F1/057
CPCB23K35/0261B23K35/286B23K35/40C22C21/00C22C21/16C22C21/18C22C1/026C22C1/03C22F1/04C22F1/057
Inventor 唐鑫冀军宇
Owner 广西稀铝新材料科技有限公司
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