CN105689924A - Preparation method of high-purity CRRCSAL5356G aluminum magnesium alloy TIG/MIG welding wire for high-speed rail train - Google Patents

Preparation method of high-purity CRRCSAL5356G aluminum magnesium alloy TIG/MIG welding wire for high-speed rail train Download PDF

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Publication number
CN105689924A
CN105689924A CN201610224773.7A CN201610224773A CN105689924A CN 105689924 A CN105689924 A CN 105689924A CN 201610224773 A CN201610224773 A CN 201610224773A CN 105689924 A CN105689924 A CN 105689924A
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CN
China
Prior art keywords
welding wire
purity
tig
mig welding
preparation
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
CN201610224773.7A
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Chinese (zh)
Inventor
傅开武
施正国
杨修伟
刘天赋
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Lanzhou Weite Welding Material Technology Co Ltd
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Lanzhou Weite Welding Material Technology Co Ltd
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Priority to CN201610224773.7A priority Critical patent/CN105689924A/en
Publication of CN105689924A publication Critical patent/CN105689924A/en
Pending legal-status Critical Current

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Classifications

    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B23—MACHINE TOOLS; METAL-WORKING NOT OTHERWISE PROVIDED FOR
    • B23K—SOLDERING OR UNSOLDERING; WELDING; CLADDING OR PLATING BY SOLDERING OR WELDING; CUTTING BY APPLYING HEAT LOCALLY, e.g. FLAME CUTTING; WORKING BY LASER BEAM
    • B23K35/00—Rods, electrodes, materials, or media, for use in soldering, welding, or cutting
    • B23K35/40—Making wire or rods for soldering or welding
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B23—MACHINE TOOLS; METAL-WORKING NOT OTHERWISE PROVIDED FOR
    • B23K—SOLDERING OR UNSOLDERING; WELDING; CLADDING OR PLATING BY SOLDERING OR WELDING; CUTTING BY APPLYING HEAT LOCALLY, e.g. FLAME CUTTING; WORKING BY LASER BEAM
    • B23K35/00—Rods, electrodes, materials, or media, for use in soldering, welding, or cutting
    • B23K35/22—Rods, electrodes, materials, or media, for use in soldering, welding, or cutting characterised by the composition or nature of the material
    • B23K35/24—Selection of soldering or welding materials proper
    • B23K35/28—Selection of soldering or welding materials proper with the principal constituent melting at less than 950 degrees C
    • B23K35/286—Al as the principal constituent
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B23—MACHINE TOOLS; METAL-WORKING NOT OTHERWISE PROVIDED FOR
    • B23K—SOLDERING OR UNSOLDERING; WELDING; CLADDING OR PLATING BY SOLDERING OR WELDING; CUTTING BY APPLYING HEAT LOCALLY, e.g. FLAME CUTTING; WORKING BY LASER BEAM
    • B23K2101/00—Articles made by soldering, welding or cutting
    • B23K2101/006—Vehicles

Abstract

The invention discloses a preparation method of a high-purity CRRCSAL5356G aluminum magnesium alloy TIG/MIG welding wire for a high-speed rail train. The preparation method comprises the following steps: (A) Mg, Zr, Cr, Zn, Ti, Mn, Cu, Fe and Al are smelted according to mass ratios, and are poured under the protection of argon to obtain a casting ingot; (B) the casting ingot is continuously extruded to obtain an alloy wire rod after impurities on the surface and two ends are removed; and (C) the alloy wire rod is scraped and cleaned to obtain the welding wire after rough, medium and finish drawing. The preparation method solves the problem of difficult dissolving of large particle substances at a temperature of 630-660 DEG C, obtains a uniform structure, solves the problem of easy wire breakage caused by nonuniform components of the welding wire in finish drawing, and effectively improves comprehensive mechanical performance of the welding wire.

Description

A kind of special high-purity CRRCSAL5356G almag TIG/MIG welding wire preparation method of high ferro train
Technical field
The present invention relates to welding material manufacturing technology field, especially a kind of special high-purity CRRCSAL5356G almag TIG/MIG welding wire preparation method of high ferro train。
Background technology
In prior art, applying the fixed smelting equipment heated material of inner bag, some bulky grain compound, polymer, mixture are difficult to dissolve dispersion。In prior art, the mechanical property of SAL5356 almag TIG/MIG welding wire is generally: tensile strength sigmabFor 230MPa, yield strength σ0.2For 200MPa, joint elongation percentage is δ is 5%, angle of bend a is 8 °, strength factor η is 60%, by the production method of the present invention, will be effectively improved the comprehensive mechanical property of welding wire。
Summary of the invention
The present invention is directed to the deficiencies in the prior art, a kind of special high-purity CRRCSAL5356G almag TIG/MIG welding wire preparation method of high ferro train is proposed, solve 630 DEG C～660 DEG C insoluble problems of temperature large particulate matter, obtain uniform tissue solve component of weld wire uneven cause finish draw time easy fracture of wire problem, be effectively increased the comprehensive mechanical property of welding wire simultaneously。
In order to realize foregoing invention purpose, the present invention provides techniques below scheme:
A kind of special high-purity CRRCSAL5356G almag TIG/MIG welding wire preparation method of high ferro train, comprises the following steps:
A, Mg, Zr, Cr, Zn, Ti, Mn, Cu, Fe and Al are carried out melting by quality proportioning, under the protection of argon, after melting, carry out ingot casting of casting to obtain；
Continuously extruded prepared alloy wire rod is being carried out after the foreign material at B, removal ingot casting surface and two；
C, by alloy wire rod through thick, in, after finish draw, then carry out scraping cleaning treatment and namely obtain welding wire。
Further, various quality of materials percentage compositions are: Mg:4.5～5.5%, Zr:0.1～0.3, Cr:0.03～0.15%, Zn≤0.1%, Ti:0.06～0.2%, Mn:0.03～0.15%, Cu≤0.07%, Fe≤0.2%, and all the other are Al。
Further, described Zr weight/mass percentage composition is 0.25%。
Further, described step A adopt rotating vane upset vacuum melting furnace internal-lining to carry out melting。
Further, in described step A, smelting temperature is 640 DEG C～665 DEG C, and purification vacuum is 1 × 10-3Pa～2 × 10-3Pa。
Further, in described step A, argon flow amount is 8～10ml/s。
Further, described ingot casting carries out continuously extruded at the temperature of 530 DEG C～580 DEG C。
The special high-purity CRRCSAL5356G almag TIG/MIG welding wire preparation method of one high ferro train of the present invention, solve 630 DEG C-660 DEG C insoluble problems of temperature large particulate matter, obtain uniform tissue solve component of weld wire uneven cause finish draw time easy fracture of wire problem, be effectively increased the mechanical property of welding wire simultaneously；Add trace element zirconium, zirconium and aluminum and form ZrAl3Compound, recrystallization process can be hindered, refinement recrystallization is brilliant, when having zirconium to exist, titanium and boron grain refinement effect can be reduced, in AL-Mg-Cr-Zn-Ti-Mn-Cu-Fe system alloy, owing to zirconium is on little than chromium and manganese of the impact of quenching sensitive, therefore should replace chromium and manganese refinement recrystallized structure with zirconium。
Detailed description of the invention
Below the special high-purity CRRCSAL5356G almag TIG/MIG welding wire preparation method of one high ferro train of the present invention being described in detail, the explanation of this part is only exemplary and explanatory, and protection scope of the present invention should not have any restriction effect。
Embodiment 1
During manufacture, the weight/mass percentage composition of each component is:
Mg:5.0%, Zr0.25%, Cr:0.09%, Zn:0.05%, Ti:0.10%, Mn:0.09%, Cu:0.07%, Fe:0.08%, all the other are AL。
Preparation method is as follows:
A, the Mg of proportional quantity, Zr, Cr, Zn, Ti, Mn, Cu, Fe and Al being adopted and carry out melting with the vacuum induction melting furnace of the convertible smelting furnace inner bag of rotating vane, smelting temperature is 640 DEG C, and vacuum is 1.30 × 10-3Pa, carries out casting under the protection of argon and obtains ingot casting after melting, argon flow amount is 8ml/s；
At 530 DEG C of temperature, continuously extruded prepared alloy wire rod is carried out after the foreign material at B, removal ingot casting surface and two；
C, by alloy wire rod through thick, in, after finish draw, then carry out scraping cleaning treatment and namely obtain described welding wire。
Embodiment 2
During manufacture, the weight/mass percentage composition of each component is:
Mg:4.8%, Zr:0.26%, Cr:0.08%, Zn:0.05%, Ti:0.10%, Mn:0.06%, Cu:0.05%, Fe:0.06%, all the other are AL。
Preparation method is as follows:
A, the Mg of proportional quantity, Zr, Cr, Zn, Ti, Mn, Cu, Fe and Al being adopted and carry out melting with the vacuum induction melting furnace of the convertible smelting furnace inner bag of rotating vane, smelting temperature is 646 DEG C, and vacuum is 1.20 × 10-3Pa, carries out casting under the protection of argon and obtains ingot casting after melting, argon flow amount is 10ml/s；
At 540 DEG C of temperature, continuously extruded prepared alloy wire rod is carried out after the foreign material at B, removal ingot casting surface and two；
C, by alloy wire rod through thick, in, after finish draw, then carry out scraping cleaning treatment and namely obtain described welding wire。
Embodiment 3
During manufacture, the weight/mass percentage composition of each component is:
Mg:5.3%, Zr:0.28%, Cr:0.06%, Zn:0.05%, Ti:0.10%, Mn:0.05%, Cu:0.03%, Fe:0.05%, all the other are AL。
Preparation method is as follows:
A, the Mg of proportional quantity, Zr, Cr, Zn, Ti, Mn, Cu, Fe and Al being adopted and carry out melting with the vacuum induction melting furnace of the convertible smelting furnace inner bag of rotating vane, smelting temperature is 658 DEG C, and vacuum is 1.0 × 10-3Pa, carries out casting under the protection of argon and obtains ingot casting after melting, argon flow amount is 7ml/s；
At 545 DEG C of temperature, continuously extruded prepared almag wire rod is carried out after the foreign material at B, removal ingot casting surface and two；
C, by alloy wire rod through thick, in, after finish draw, then carry out scraping cleaning treatment and namely obtain described welding wire。
Embodiment 4
During manufacture, the weight/mass percentage composition of each component is:
Mg:5.3%, Zr:0.29%, Cr:0.06%, Zn:0.05%, Ti:0.10%, Mn:0.04%, Cu:0.02%, Fe:0.03%, all the other are AL。
Preparation method is in the same manner as in Example 3。
The welding point batten mechanical performance data of various embodiments of the present invention gained welding wire is shown in following table:
The special high-purity CRRCSAL5356G almag TIG/MIG welding wire preparation method of one high ferro train of the present invention, solve 630 DEG C-660 DEG C insoluble problems of temperature large particulate matter, obtain uniform tissue solve component of weld wire uneven cause finish draw time easy fracture of wire problem, be effectively increased the mechanical property of welding wire simultaneously；Add trace element zirconium, zirconium and aluminum and form ZrAl3Compound, recrystallization process can be hindered, refinement recrystallized structure, when having zirconium to exist, titanium and boron grain refinement effect can be reduced, in AL-Mg-Zr-Cr-Zn-Ti-Mn-Cu-Fe system alloy, owing to zirconium is on little than chromium and manganese of the impact of quenching sensitive, therefore should replace chromium and manganese refinement recrystallized structure with zirconium。

Claims (7)

1. the special high-purity CRRCSAL5356G almag TIG/MIG welding wire preparation method of high ferro train, it is characterised in that comprise the following steps:
A, Mg, Zr, Cr, Zn, Ti, Mn, Cu, Fe and Al are carried out melting by quality proportioning, under the protection of argon, after melting, carry out ingot casting of casting to obtain；
Continuously extruded prepared alloy wire rod is being carried out after the foreign material at B, removal ingot casting surface and two；
C, by alloy wire rod through thick, in, after finish draw, then carry out scraping cleaning treatment and namely obtain welding wire。
2. a kind of special high-purity CRRCSAL5356G almag TIG/MIG welding wire preparation method of high ferro train as claimed in claim 1, it is characterized in that, various quality of materials percentage compositions are: Mg:4.5～5.5%, Zr:0.1～0.3, Cr:0.03～0.15%, n≤0.1%, Ti:0.06～0.2%, Mn:0.03～0.15%, Cu≤0.07%, Fe≤0.2%, all the other are Al。
3. a kind of special high-purity CRRCSAL5356G almag TIG/MIG welding wire preparation method of high ferro train as claimed in claim 2, it is characterised in that described Zr weight/mass percentage composition is 0.25%。
4. a kind of special high-purity CRRCSAL5356G almag TIG/MIG welding wire preparation method of high ferro train as claimed in claim 1, it is characterised in that adopt rotating vane upset vacuum melting furnace internal-lining to carry out melting in described step A。
5. a kind of special high-purity CRRCSAL5356G almag TIG/MIG welding wire preparation method of high ferro train as described in claim 1 or 4, it is characterised in that in described step A, smelting temperature is 640 DEG C～665 DEG C, and purification vacuum is 1 × 10-3Pa～2 × 10-3Pa。
6. a kind of special high-purity CRRCSAL5356G almag TIG/MIG welding wire preparation method of high ferro train as claimed in claim 1, it is characterised in that in described step A, argon flow amount is 8～10ml/s。
7. a kind of special high-purity CRRCSAL5356G almag TIG/MIG welding wire preparation method of high ferro train as claimed in claim 1, it is characterised in that described ingot casting carries out continuously extruded at the temperature of 530 DEG C～580 DEG C。
CN201610224773.7A 2016-04-12 2016-04-12 Preparation method of high-purity CRRCSAL5356G aluminum magnesium alloy TIG/MIG welding wire for high-speed rail train Pending CN105689924A (en)

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Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN106271192A (en) * 2016-09-05 2017-01-04 兰州威特焊材科技股份有限公司 A kind of AI Mg Si series alloys adapted welding wire and preparation technology thereof

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US20040261922A1 (en) * 2001-08-10 2004-12-30 Van Der Hoeven Job Anthonius Wrought aluminium-magnesium alloy product
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CN103286472A (en) * 2013-05-21 2013-09-11 辽宁石油化工大学 Novel aluminum alloy welding wire and application thereof
CN103451496A (en) * 2013-08-14 2013-12-18 桂林市庆通有色金属工艺材料开发有限公司 Aluminum-magnesium alloy welding wire for gas shield welding of aluminum-alloy car body and preparation 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
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US20040261922A1 (en) * 2001-08-10 2004-12-30 Van Der Hoeven Job Anthonius Wrought aluminium-magnesium alloy product
CN101722381A (en) * 2009-11-09 2010-06-09 浙江东轻高新焊丝有限公司 Aluminum alloy solder wire for rapid trains and manufacturing method thereof
CN102145441A (en) * 2011-04-18 2011-08-10 兰州威特焊材炉料有限公司 SAL8090 aluminum-lithium alloy TIG (Tungsten Inert Gas)/MIG (Metal-Inert Gas) solder wire and preparation method thereof
CN103286472A (en) * 2013-05-21 2013-09-11 辽宁石油化工大学 Novel aluminum alloy welding wire and application thereof
CN103451496A (en) * 2013-08-14 2013-12-18 桂林市庆通有色金属工艺材料开发有限公司 Aluminum-magnesium alloy welding wire for gas shield welding of aluminum-alloy car body and preparation 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
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Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN106271192A (en) * 2016-09-05 2017-01-04 兰州威特焊材科技股份有限公司 A kind of AI Mg Si series alloys adapted welding wire and preparation technology thereof

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Application publication date: 20160622