CN104384748A - TIG/MIG aluminum welding wire and preparation method thereof - Google Patents

TIG/MIG aluminum welding wire and preparation method thereof Download PDF

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Publication number
CN104384748A
CN104384748A CN201410477005.3A CN201410477005A CN104384748A CN 104384748 A CN104384748 A CN 104384748A CN 201410477005 A CN201410477005 A CN 201410477005A CN 104384748 A CN104384748 A CN 104384748A
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CN
China
Prior art keywords
welding wire
mig
tig
wire
aluminium
Prior art date
Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
Pending
Application number
CN201410477005.3A
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Chinese (zh)
Inventor
傅开武
施正国
李小慧
石峡兵
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
LANZHOU WEITE WELDING MATERIAL FURANCE BURDEN CO Ltd
Original Assignee
LANZHOU WEITE WELDING MATERIAL FURANCE BURDEN CO Ltd
Priority date (The priority date is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the date listed.)
Filing date
Publication date
Application filed by LANZHOU WEITE WELDING MATERIAL FURANCE BURDEN CO Ltd filed Critical LANZHOU WEITE WELDING MATERIAL FURANCE BURDEN CO Ltd
Priority to CN201410477005.3A priority Critical patent/CN104384748A/en
Publication of CN104384748A publication Critical patent/CN104384748A/en
Pending legal-status Critical Current

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Classifications

    • BPERFORMING OPERATIONS; TRANSPORTING
    • B23MACHINE TOOLS; METAL-WORKING NOT OTHERWISE PROVIDED FOR
    • B23KSOLDERING OR UNSOLDERING; WELDING; CLADDING OR PLATING BY SOLDERING OR WELDING; CUTTING BY APPLYING HEAT LOCALLY, e.g. FLAME CUTTING; WORKING BY LASER BEAM
    • B23K35/00Rods, electrodes, materials, or media, for use in soldering, welding, or cutting
    • B23K35/02Rods, electrodes, materials, or media, for use in soldering, welding, or cutting characterised by mechanical features, e.g. shape
    • B23K35/0255Rods, electrodes, materials, or media, for use in soldering, welding, or cutting characterised by mechanical features, e.g. shape for use in welding
    • B23K35/0261Rods, electrodes, wires
    • BPERFORMING OPERATIONS; TRANSPORTING
    • B23MACHINE TOOLS; METAL-WORKING NOT OTHERWISE PROVIDED FOR
    • B23KSOLDERING OR UNSOLDERING; WELDING; CLADDING OR PLATING BY SOLDERING OR WELDING; CUTTING BY APPLYING HEAT LOCALLY, e.g. FLAME CUTTING; WORKING BY LASER BEAM
    • B23K35/00Rods, electrodes, materials, or media, for use in soldering, welding, or cutting
    • B23K35/22Rods, electrodes, materials, or media, for use in soldering, welding, or cutting characterised by the composition or nature of the material
    • B23K35/24Selection of soldering or welding materials proper
    • B23K35/28Selection of soldering or welding materials proper with the principal constituent melting at less than 950 degrees C
    • B23K35/286Al as the principal constituent
    • BPERFORMING OPERATIONS; TRANSPORTING
    • B23MACHINE TOOLS; METAL-WORKING NOT OTHERWISE PROVIDED FOR
    • B23KSOLDERING OR UNSOLDERING; WELDING; CLADDING OR PLATING BY SOLDERING OR WELDING; CUTTING BY APPLYING HEAT LOCALLY, e.g. FLAME CUTTING; WORKING BY LASER BEAM
    • B23K35/00Rods, electrodes, materials, or media, for use in soldering, welding, or cutting
    • B23K35/40Making wire or rods for soldering or welding

Abstract

The invention discloses a TIG/MIG aluminum welding wire. The TIG/MIG aluminum welding wire comprises the following components in percentage by weight: 0.1-0.3% of Ce, 0.05-0.1% of Cu, and the balance of Al. A preparation method comprises the following steps: (a) an ingot is obtained through weighing, batching, smelting and casting; (b) after impurities on the surface of the ingot are removed, an alloy wire rod is prepared through extrusion at a temperature of 550-580 DEG C; and (c) after the wire drawing is performed for the alloy wire rod, the TIG/MIG aluminum welding wire is obtained through scraping and cleaning. The TIG/MIG aluminum welding wire has excellent mechanical performance and electrical conductivity of a welded joint, and is specifically suitable for the welding repair of a large prebaked anode electrolytic bath and a guide rod set thereof.

Description

A kind of TIG/MIG aluminium welding wire and preparation method thereof
Technical field
The invention belongs to welding wire field, be specifically related to a kind of weld strength such as prebaked-anode type cell and guide rod group thereof that is specially adapted to and require high TIG/MIG aluminium welding wire.
Background technology
Current aluminium manufacturer generally uses SAL1070 aluminium welding wire to weld prebaked-anode type cell and guide rod group thereof or repair, although SAL1070 aluminium welding wire has fabulous corrosion resistance and electric conductivity, but intensity is not high, for large-scale pre-baked aluminum electrolysis cell for, as shown in Figure 1, because anode rod (aluminium bar) not only bears electric action, also carry the heavy steel crowfoot of the upper ton that weighs and carbon block simultaneously, if weld strength is low, guide rod is in transportation or be heated in a cell, aluminium separation of welds is easily caused by External Force Acting, cracking, what bring thus is that anode block is scrapped, SAL1070 is still difficult to meet instructions for use.
Summary of the invention
The object of the invention is to overcome the problems referred to above, the TIG/MIG aluminium welding wire that a kind of weld strength is higher is provided.
It is as follows that the present invention realizes the technical scheme that above-mentioned purpose adopts:
A kind of TIG/MIG aluminium welding wire, comprise following component by weight: Ce:0.1% ~ 0.3%, Cu:0.05% ~ 0.1%, surplus is Al.
Preferentially, the content of described Ce is 0.1% ~ 0.2%.
The preparation method of above-mentioned TIG/MIG aluminium welding wire, step is as follows:
A, weighing, batching, melting, casting obtain ingot casting;
After b, removing ingot casting surface irregularities, at 550 DEG C ~ 580 DEG C temperature, extruding obtains alloy wire rod;
C, by after the wire drawing of alloy wire rod, then carry out scraping cleaning obtain described TIG/MIG aluminium welding wire.
Further, in step (a), smelting temperature is 650 ~ 680 DEG C.
Further, in step (c), rotary delthyrium scraper is adopted to carry out scraping cleaning.
Beneficial effect of the present invention is embodied in the following aspects:
1, with SAL1070 fine aluminium TIG/MIG welding wire welding point tensile strength Rm of the prior art be 100 MPa, yield strength Rp0.2 is 35MPa, joint percentage elongation A 34% compares, the rare earth element (Ce) that TIG/MIG aluminium welding wire of the present invention adds in the feed, reach dispersion-strengtherning lattice structure, improve eutectic distributional pattern, the object of strengthen welds solidified structure, mechanical property has greatly improved, welding point tensile strength Rm can reach 140 ~ 220MPa, yield strength Rp0.2 reaches 70 ~ 150 MPa, and joint percentage elongation A is down to 20 ~ 7%.When Ce incorporation controls further at 0.1-0.2%, resistivity (20 DEG C) significantly can be down to 27.2 ~ 27.6(n Ω m), suitable with SAL1070 super-purified aluminium welding wire.TIG/MIG aluminium welding wire of the present invention is specially adapted to aluminium manufacturer's weld strength and requires that high place uses, as prebaked-anode type cell and guide rod group etc. thereof.
2, compared with traditional cold extrusion process, alloy pig is preheated to 550 DEG C ~ 580 DEG C when extruding by the present invention, solve Al rare earth alloy wire rod of welding wire rough surface when tradition is colded pressing, cut is dark, and the problem that squeezed joint intensity is low, to make when subsequent handling wire drawing not easy fracture, improve production efficiency.
3, adopt scraping cleaning, avoid the problem of environmental pollution that traditional chemical cleaning is brought.
Accompanying drawing explanation
Fig. 1 is the anode of pre-calcining electrolytic cell, wherein, 1, steel crowfoot, 2, steel-aluminium composite sheet, 3, aluminium bar, I, aluminium weld seam, II, black weld seam.
Detailed description of the invention
Below the preferred embodiments of the present invention are described.
Embodiment 1
The special TIG/MIG aluminium welding wire of a kind of prebaked-anode type cell, described welding wire adopts Al-Re alloy system, and the weight percentage of each component is: Ce:0.1%, Cu:0.05% ~ 0.1%, and surplus is Al.Method preparation according to the following steps:
A, weigh each component by proportional quantity, batching, adopt induction furnace to carry out melting, smelting temperature is 650 DEG C ~ 680 DEG C, ingot casting of must casting to obtain after melting;
B, to remove after ingot casting surface irregularities continuously extruded obtained alloy wire rod at 550 DEG C ~ 580 DEG C temperature;
C, by alloy wire rod through thick, in, after finish draw silk, then adopt rotary delthyrium scraper namely to obtain described welding wire through scraping cleaning treatment.
Embodiment 2
A kind of TIG/MIG aluminium welding wire, described welding wire adopts Al-Re alloy system, and the weight percentage of each component is: Ce:0.15%, Cu:0.05% ~ 0.1%, and surplus is Al.Method preparation according to the following steps:
A, weigh each component by proportional quantity, batching, adopt induction furnace to carry out melting, smelting temperature is 650 DEG C ~ 680 DEG C, ingot casting of must casting to obtain after melting;
B, to remove after ingot casting surface irregularities continuously extruded obtained alloy wire rod at 550 DEG C ~ 580 DEG C temperature;
C, by alloy wire rod through thick, in, after finish draw silk, then adopt rotary delthyrium scraper namely to obtain described welding wire through scraping cleaning treatment.
Embodiment 3
The special TIG/MIG aluminium welding wire of a kind of prebaked-anode type cell, described welding wire adopts Al-Re alloy system, and the weight percentage of each component is: Ce:0.2%, Cu:0.05% ~ 0.1%, and surplus is Al.Method preparation according to the following steps:
A, weigh each component by proportional quantity, batching, adopt induction furnace to carry out melting, smelting temperature is 650 DEG C ~ 680 DEG C, ingot casting of must casting to obtain after melting;
B, to remove after ingot casting surface irregularities continuously extruded obtained alloy wire rod at 550 DEG C ~ 580 DEG C temperature;
C, by alloy wire rod through thick, in, after finish draw silk, then adopt rotary delthyrium scraper namely to obtain described welding wire through scraping cleaning treatment.
Embodiment 4
The special TIG/MIG aluminium welding wire of a kind of prebaked-anode type cell, described welding wire adopts Al-Re alloy system, and the weight percentage of each component is: Ce:0.3%, Cu:0.05% ~ 0.1%, and surplus is Al.Method preparation according to the following steps:
A, weigh each component by proportional quantity, batching, adopt induction furnace to carry out melting, smelting temperature is 650 DEG C ~ 680 DEG C, ingot casting of must casting to obtain after melting;
B, to remove after ingot casting surface irregularities continuously extruded obtained alloy wire rod at 550 DEG C ~ 580 DEG C temperature;
C, by alloy wire rod through thick, in, after finish draw silk, then adopt rotary delthyrium scraper namely to obtain described welding wire through scraping cleaning treatment.
Welding joint mechanical property and the resistivity data of each example gained of the present invention are as follows:
Illustrate: above preferred embodiment illustrates the aluminium welding wire of preparation, and the resistivity of Rare-Earth Ce content welding wire 0.1% ~ 0.2% time is low, and electric conductivity differs very little with SAL1070 super-purified aluminium welding wire; Rare-Earth Ce content welding line joint tensile strength and yield strength 0.1% ~ 0.3% time all obvious than SAL1070 super-purified aluminium welding wire welding line joint tensile strength and yield strength high.Be specially adapted to the REPAIR WELDING of large prebaked cell for aluminum-reduction and guide rod group etc. thereof.

Claims (5)

1. a TIG/MIG aluminium welding wire, is characterized in that, comprises following component by weight: Ce:0.1% ~ 0.3%, Cu:0.05% ~ 0.1%, and surplus is Al.
2. TIG/MIG aluminium welding wire according to claim 1, is characterized in that, the content of described Ce is 0.1% ~ 0.2%.
3. the preparation method of TIG/MIG aluminium welding wire described in claim 1, is characterized in that, carries out according to the following steps:
A, weighing, batching, melting, casting obtain ingot casting;
After b, removing ingot casting surface irregularities, at 550 DEG C ~ 580 DEG C temperature, extruding obtains alloy wire rod;
C, by after the wire drawing of alloy wire rod, then carry out scraping cleaning obtain described TIG/MIG aluminium welding wire.
4. the preparation method of TIG/MIG aluminium welding wire according to claim 3, it is characterized in that, in step (a), smelting temperature is 650 ~ 680 DEG C.
5. the preparation method of TIG/MIG aluminium welding wire according to claim 3, is characterized in that, in step (c), adopt rotary delthyrium scraper to carry out scraping cleaning.
CN201410477005.3A 2014-09-18 2014-09-18 TIG/MIG aluminum welding wire and preparation method thereof Pending CN104384748A (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
CN201410477005.3A CN104384748A (en) 2014-09-18 2014-09-18 TIG/MIG aluminum welding wire and preparation method thereof

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
CN201410477005.3A CN104384748A (en) 2014-09-18 2014-09-18 TIG/MIG aluminum welding wire and preparation method thereof

Publications (1)

Publication Number Publication Date
CN104384748A true CN104384748A (en) 2015-03-04

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Citations (8)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS61166939A (en) * 1985-01-16 1986-07-28 Furukawa Electric Co Ltd:The Aluminum wire rod for semiconductor device bonding
JPH07316755A (en) * 1994-05-27 1995-12-05 Takeshi Masumoto Al-base amorphous metallic filament
CN1424173A (en) * 2003-01-08 2003-06-18 武汉理工大学 Wear resistant high iron-aluminum based welding wire for build-up welding
CN101092007A (en) * 2007-07-20 2007-12-26 常州华通焊丝有限公司 Welding wire prepared from aluminum alloy in use for welding
CN102145440A (en) * 2011-04-18 2011-08-10 兰州威特焊材炉料有限公司 SAL2195 aluminum-lithium alloy TIG (argon tungsten-arc welding)/MIG (Metal-Inert Gas Welding) welding wire and preparation method thereof
CN102935559A (en) * 2012-12-04 2013-02-20 郑州机械研究所 Composite zinc-aluminum flux cored wire containing beryllium and magnesium and rubidium salt and preparation method of flux cored wire
CN103273214A (en) * 2013-05-17 2013-09-04 航天材料及工艺研究所 High-intensity welding wire for aluminum-zinc-magnesium-scandium alloy and preparing method thereof
CN103695735A (en) * 2013-12-20 2014-04-02 广西博士海意信息科技有限公司 Aluminum alloy welding wire and preparation method thereof

Patent Citations (8)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS61166939A (en) * 1985-01-16 1986-07-28 Furukawa Electric Co Ltd:The Aluminum wire rod for semiconductor device bonding
JPH07316755A (en) * 1994-05-27 1995-12-05 Takeshi Masumoto Al-base amorphous metallic filament
CN1424173A (en) * 2003-01-08 2003-06-18 武汉理工大学 Wear resistant high iron-aluminum based welding wire for build-up welding
CN101092007A (en) * 2007-07-20 2007-12-26 常州华通焊丝有限公司 Welding wire prepared from aluminum alloy in use for welding
CN102145440A (en) * 2011-04-18 2011-08-10 兰州威特焊材炉料有限公司 SAL2195 aluminum-lithium alloy TIG (argon tungsten-arc welding)/MIG (Metal-Inert Gas Welding) welding wire and preparation method thereof
CN102935559A (en) * 2012-12-04 2013-02-20 郑州机械研究所 Composite zinc-aluminum flux cored wire containing beryllium and magnesium and rubidium salt and preparation method of flux cored wire
CN103273214A (en) * 2013-05-17 2013-09-04 航天材料及工艺研究所 High-intensity welding wire for aluminum-zinc-magnesium-scandium alloy and preparing method thereof
CN103695735A (en) * 2013-12-20 2014-04-02 广西博士海意信息科技有限公司 Aluminum alloy welding wire and preparation method thereof

Non-Patent Citations (1)

* Cited by examiner, † Cited by third party
Title
中华人民共和国国家质量监督检验检疫总局等: "GB/T10858-2008铝及铝合金焊丝", 《中华人民共和国国家标准》 *

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Address after: 730070, No. 348, Xin Wan Road, Anning District, Gansu, Lanzhou

Applicant after: LANZHOU WEITE WELDING MATERIAL TECHNOLOGY CO., LTD.

Address before: 730000 Gansu province Anning District of Lanzhou New Road No. 348

Applicant before: Lanzhou Weite Welding Material Furance Burden Co., Ltd.

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Application publication date: 20150304

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