CN107335941A - A kind of general welding wire of magnesium alloy with high strength and ductility and preparation method thereof - Google Patents

A kind of general welding wire of magnesium alloy with high strength and ductility and preparation method thereof Download PDF

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Publication number
CN107335941A
CN107335941A CN201710706461.4A CN201710706461A CN107335941A CN 107335941 A CN107335941 A CN 107335941A CN 201710706461 A CN201710706461 A CN 201710706461A CN 107335941 A CN107335941 A CN 107335941A
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Prior art keywords
crucible
welding wire
magnesium alloy
temperature
high strength
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CN201710706461.4A
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CN107335941B (en
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王鸿远
张志新
程明山
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Henan Ming Magnesium Magnesium Industry Science And Technology Co Ltd
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Henan Ming Magnesium Magnesium Industry Science And Technology Co Ltd
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    • 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
    • B23K35/284—Mg 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
    • B23K35/00—Rods, electrodes, materials, or media, for use in soldering, welding, or cutting
    • B23K35/40—Making wire or rods for soldering or welding

Abstract

The present invention relates to general welding wire of a kind of magnesium alloy with high strength and ductility and preparation method thereof, chemical composition in welding wire is calculated in weight percent to be：Al：1.4~2.7；Zn：0.53~0.72；Si ＜ 0.1；Fe ＜ 0.05；Ca ＜ 0.1；Cu ＜ 0.1；Be：0.04~0.1；Mn ＜ 0.2；Sr：0.05~0.35；Remaining is magnesium and inevitable impurity element.Contain appropriate Be and Sr in the present invention, change the grainiess of welding wire so that crystal grain more refines while lifts the intensity and toughness of welding position magnesium alloy, while can be applicable the magnesium alloy welding work of Multiple Type.

Description

A kind of general welding wire of magnesium alloy with high strength and ductility and preparation method thereof
Technical field
The invention belongs to welding technology field, and in particular to be a kind of general welding wire of magnesium alloy with high strength and ductility and its preparation side Method.
Background technology
Magnesium alloy solder wire, for solving the utilization of various modifications magnesium alloy and cast magnesium alloy in maintenance, it is used for kitchen The fields such as tool, auto parts machinery, bicycle, Aero-Space.The easy produced problem of magnesium alloy welding at present：1st, coarse-grain：Magnesium melts Point is only 651 DEG C, and heat conduction is fast, and high-power thermal source is used during welding, thus weld dimensions metal easily produce overheat with Crystal grain is grown up；2nd, aoxidize and evaporate：The oxidisability of magnesium is extremely strong, in the case where welding high temperature, easily produces magnesia, magnesia fusing point is high Up to 2500 DEG C, and the big (3.2g/cm of density3) the solid-state slag inclusion of tiny sheet is easily formed in bath, at high temperature, magnesium is also easy to With the nitride of the Nitration synthesis magnesium in air, joint performance is set to degenerate；3rd, thermal stress：Magnesium and the magnesium alloy wire coefficient of expansion are about Twice (1.2 times of aluminium) of steel, so producing larger thermal stress during welding, increase the tendency cracked；4th, stomata：Hydrogen exists The solubility of magnesium is drastically reduced with the reduction of temperature, therefore stomata is easily produced in weld seam.Pass through the tissue point to welding wire Analysis shows, magnesium alloy solder wire is organized in during hot extrusion there occurs dynamic recrystallization, and seam organization is tiny etc. Axialite, and constantly diminish with the reduction crystallite dimension of gage of wire, while the magnesium alloy solder wire of fine grain has well Tensile strength and larger elongation percentage, and the crystallite dimension of welding wire is smaller, and its tensile strength and elongation percentage are higher, but when weldering Diameter is small to a certain extent afterwards because effective bearing area reduces, and the tensile strength of welding wire can decline.
On November 32nd, 2016, one kind that Chinese patent discloses Application No. 201611020485.5 is filled out suitable for laser Magnesium alloy solder wire that wire bond connects and preparation method thereof, the chemical composition of the welding wire is calculated in weight percent to be：Al：5.5~ 6.5；Zn：0.55~0.65；Si ＜ 0.20；Fe ＜ 0.15；Cu ＜ 0.1；Ni ＜ 0.1；Zr ＜ 0.1.Patent Al content is high The Al content in AZ31B, volatilizing for Mg can further improve Al content in welding process, cause the metal of welding position Insufficient strength, while this patent welding wire can only weld a kind of magnesium alloy of the trade mark, can not realize logical weldering.
The content of the invention
The technical problem to be solved in the present invention is：Overcome the deficiencies in the prior art, there is provided a kind of magnesium alloy with high strength and ductility is general Welding wire, contain appropriate Be and Sr in of the invention, change the grainiess of welding wire so that crystal grain more refines while lifts weldering The intensity and toughness of socket part position magnesium alloy, while the magnesium alloy welding work of Multiple Type can be applicable.
This solves the problems, such as that it has used technical scheme and is using invention：
A kind of general welding wire of magnesium alloy with high strength and ductility, chemical composition in welding wire is calculated in weight percent to be：Al：1.4~ 2.7；Zn：0.53~0.72；Si ＜ 0.1；Fe ＜ 0.05；Ca ＜ 0.1；Cu ＜ 0.1；Be：0.04~0.1；Mn ＜ 0.2；Sr： 0.05~0.35；Remaining is magnesium and inevitable impurity element.
Preferably, the content of described Sr elements is 0.15~0.20%.
Preferably, the content of described Be elements is 0.06~0.08%.
A kind of preparation method of the general welding wire of magnesium alloy with high strength and ductility according to right 1, comprises the following steps：
Step 1, melting are simultaneously cast into bar：
Crucible temperature is set in into 120 DEG C to preheat crucible, is matched, matched somebody with somebody according to the content of each metallic element Raw material than after, which are placed on around mouth of pot, is dried dehumidifying, and crucible stands 5~10min after reaching 120 DEG C, and raw material are added It is added in crucible, crucible is heated to 430~460 DEG C again, when crucible internal temperature reaches, 10min is stood, into crucible Portion is passed through the mixed gas being made up of nitrogen, carbon dioxide, and these gases can displace the oxygen in solution in crucible, and right Solution is stirred, and crucible is heated into 650~680 DEG C, after constant temperature stands 3h afterwards, is cast using the method for semi-continuous casting Into a diameter of 92cm bars.
Step 2, it is squeezed into welding wire：
The bar that previous step has been cast is sawn into the cylindrical type blank of 40cm length one by one, and car removes the oxidation on surface Skin.Blank heating furnace interior is placed the blanks on, mould connection mould set is placed on inside die preheating furnace together, recipient is pre- Heat is set as 380-430 DEG C, and blank material heating furnace design temperature is 380-420 DEG C, and die preheating furnace design temperature is 450-500 DEG C, stand 1.5~2h after reaching design temperature.Recirculated water water valve is opened, detects and ensures mold temperature in 360-450 DEG C of scope Interior, Preform surface temperature is in the range of 320-380 DEG C, and recipient temperature is in the range of 360-400 DEG C, by mould and mould set In extruder, the blank after heating is taken out from heating furnace and is put into in ingot device, opening successively for ingot, extruding, soon Move back, squeeze and back out pass, extruded.
Compared with prior art, beneficial effect possessed by the present invention：
(1) new metallic element is added, changes the proportioning of each element so that the magnesium that the present invention can weld each trade mark closes Golden product.
(2) while the intensity and toughness of magnesium alloy solder wire are added, the machinery of hardware after welding can be improved Performance.
Embodiment
With reference to most preferred embodiment, the present invention is described in more detail.
A kind of general welding wire of magnesium alloy with high strength and ductility, chemical composition in welding wire is calculated in weight percent to be：Al：1.4~ 2.7；Zn：0.53~0.72；Si ＜ 0.1；Fe ＜ 0.05；Ca ＜ 0.1；Cu ＜ 0.1；Be：0.04~0.1；Mn ＜ 0.2；Sr： 0.05~0.35；Remaining is magnesium and inevitable impurity element.The content of described Sr elements is 0.15~0.20%.It is described Be elements content be 0.06~0.08%.Appropriate Sr elements can cause the crystal grain refinement rate of magnesium alloy reach 50% with On, and then improve the mechanical performance of magnesium alloy, improve its toughness while magnesium alloy strength is improved.
A kind of preparation method of the general welding wire of magnesium alloy with high strength and ductility, comprises the following steps：
Step 1, melting are simultaneously cast into bar：
Crucible temperature is set in into 120 DEG C to preheat crucible, is matched, matched somebody with somebody according to the content of each metallic element Raw material than after, which are placed on around mouth of pot, is dried dehumidifying, and crucible stands 5~10min after reaching 120 DEG C, and raw material are added It is added in crucible, crucible is heated to 430~460 DEG C again, when crucible internal temperature reaches, 10min is stood, into crucible Portion is passed through the mixed gas being made up of nitrogen, carbon dioxide, and these gases can displace the oxygen in solution in crucible, and right Solution is stirred, and crucible is heated into 650~680 DEG C, after constant temperature stands 3h afterwards, is cast using the method for semi-continuous casting Into a diameter of 92cm bars.
Step 2, it is squeezed into welding wire：
The bar that previous step has been cast is sawn into the cylindrical type blank of 40cm length one by one, and car removes the oxidation on surface Skin.Blank heating furnace interior is placed the blanks on, mould connection mould set is placed on inside die preheating furnace together, recipient is pre- Heat is set as 380-430 DEG C, and blank material heating furnace design temperature is 380-420 DEG C, and die preheating furnace design temperature is 450-500 DEG C, stand 1.5~2h after reaching design temperature.Recirculated water water valve is opened, detects and ensures mold temperature in 360-450 DEG C of scope Interior, Preform surface temperature is in the range of 320-380 DEG C, and recipient temperature is in the range of 360-400 DEG C, by mould and mould set In extruder, the blank after heating is taken out from heating furnace and is put into in ingot device, opening successively for ingot, extruding, soon Move back, squeeze and back out pass, extruded.
Embodiments of the present invention are explained in detail above in conjunction with most preferred embodiment, but the present invention is not limited to Embodiment is stated, in art those of ordinary skill's possessed knowledge, the present invention can also not departed from Various changes can be made on the premise of objective.

Claims (4)

  1. A kind of 1. general welding wire of magnesium alloy with high strength and ductility, it is characterised in that：
    Chemical composition in welding wire is calculated in weight percent to be：
    Al：1.4~2.7；
    Zn：0.53~0.72；
    Si ＜ 0.1；
    Fe ＜ 0.05；
    Ca ＜ 0.1；
    Cu ＜ 0.1；
    Be：0.04~0.1；
    Mn ＜ 0.2；
    Sr：0.05~0.35；
    Remaining is magnesium and inevitable impurity element.
  2. A kind of 2. general welding wire of magnesium alloy with high strength and ductility according to right 1, it is characterised in that：
    The content of described Sr elements is 0.15~0.20%.
  3. A kind of 3. general welding wire of magnesium alloy with high strength and ductility according to right 1, it is characterised in that：
    The content of described Be elements is 0.06~0.08%.
  4. A kind of 4. preparation method of the general welding wire of magnesium alloy with high strength and ductility according to right 1, it is characterised in that：Include following step Suddenly：
    Step 1, melting are simultaneously cast into bar：
    Crucible temperature is set in into 120 DEG C to preheat crucible, matched according to the content of each metallic element, after proportioning Raw material be placed on around mouth of pot dehumidifying be dried, crucible stands 5~10min after reaching 120 DEG C, successively adds raw material It is added in crucible,
    Crucible is heated to 430~460 DEG C again, when crucible internal temperature reaches, 10min is stood, is passed through to crucible inside The mixed gas being made up of nitrogen, carbon dioxide, these gases can displace the oxygen in solution in crucible, and solution is entered Row stirring,
    Crucible is heated to 650~680 DEG C afterwards, after constant temperature stands 3h, is cast into using the method for semi-continuous casting a diameter of 92cm bars；
    Step 2, it is squeezed into welding wire：
    The bar that previous step has been cast is sawn into the cylindrical type blank of 40cm length one by one, and car removes the oxide skin on surface,
    Blank heating furnace interior is placed the blanks on, mould connection mould set is placed on inside die preheating furnace together, by recipient Preheating is set as 380-430 DEG C, and blank material heating furnace design temperature is 380-420 DEG C, and die preheating furnace design temperature is 450-500 DEG C, 1.5~2h is stood after reaching design temperature,
    Recirculated water water valve is opened, detects and ensures mold temperature in the range of 360-450 DEG C, Preform surface temperature is in 320-380 In the range of DEG C, mould and mould set are arranged in extruder, after heating by recipient temperature in the range of 360-400 DEG C Blank take out and be put into in ingot device from heating furnace, open successively for ingot, extruding, rewind, squeeze and back out pass, extruded.
CN201710706461.4A 2017-08-17 2017-08-17 A kind of general welding wire of magnesium alloy with high strength and ductility and preparation method thereof Active CN107335941B (en)

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Cited By (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN107984111A (en) * 2017-12-21 2018-05-04 兰州威特焊材科技股份有限公司 A kind of high-performance magnesium lithium alloy welding wire and its preparation method and application
CN110014246A (en) * 2019-05-09 2019-07-16 宁夏中太镁业科技有限公司 A kind of welding wire and preparation method thereof for welding magnesium alloy materials
CN115740832A (en) * 2022-10-18 2023-03-07 江苏鑫华能环保工程股份有限公司 Carbon fiber reinforced magnesium alloy welding material and preparation method thereof
CN115781099A (en) * 2023-01-29 2023-03-14 河北钢研德凯科技有限公司 Welding wire special for argon arc welding of ZM5 alloy casting and preparation method thereof

Citations (9)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN101003112A (en) * 2007-01-11 2007-07-25 上海交通大学 Extrusion method for producing welding wire of magnesium alloy
CN101269449A (en) * 2008-05-05 2008-09-24 太原理工大学 Method for manufacturing high-strength magnesium alloy solder wire
CN102059483A (en) * 2010-12-29 2011-05-18 重庆研镁科技有限公司 Production process for magnesium alloy extrusion soldering wire
CN102248018A (en) * 2011-05-31 2011-11-23 内蒙古五二特种材料工程技术研究中心 Method for preparing magnesium alloy welding wires
CN102310295A (en) * 2010-06-30 2012-01-11 比亚迪股份有限公司 Magnesium alloy welding wire and preparation method thereof
CN102699535A (en) * 2012-06-04 2012-10-03 哈尔滨工程大学 Magnesium and steel special metal superaudio frequency pulse laser smelting braze-welding wire and welding method
CN106319314A (en) * 2016-11-07 2017-01-11 天津东义镁制品股份有限公司 High-speed extrusion high-strength deforming magnesium alloy and preparation method thereof
CN106624436A (en) * 2016-11-21 2017-05-10 上海航天精密机械研究所 Magnesium alloy welding wire suitable for laser wire filling welding and preparation method thereof
CN106929725A (en) * 2017-04-25 2017-07-07 刘迎军 A kind of preparation method of magnesium alloy solder wire

Patent Citations (9)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN101003112A (en) * 2007-01-11 2007-07-25 上海交通大学 Extrusion method for producing welding wire of magnesium alloy
CN101269449A (en) * 2008-05-05 2008-09-24 太原理工大学 Method for manufacturing high-strength magnesium alloy solder wire
CN102310295A (en) * 2010-06-30 2012-01-11 比亚迪股份有限公司 Magnesium alloy welding wire and preparation method thereof
CN102059483A (en) * 2010-12-29 2011-05-18 重庆研镁科技有限公司 Production process for magnesium alloy extrusion soldering wire
CN102248018A (en) * 2011-05-31 2011-11-23 内蒙古五二特种材料工程技术研究中心 Method for preparing magnesium alloy welding wires
CN102699535A (en) * 2012-06-04 2012-10-03 哈尔滨工程大学 Magnesium and steel special metal superaudio frequency pulse laser smelting braze-welding wire and welding method
CN106319314A (en) * 2016-11-07 2017-01-11 天津东义镁制品股份有限公司 High-speed extrusion high-strength deforming magnesium alloy and preparation method thereof
CN106624436A (en) * 2016-11-21 2017-05-10 上海航天精密机械研究所 Magnesium alloy welding wire suitable for laser wire filling welding and preparation method thereof
CN106929725A (en) * 2017-04-25 2017-07-07 刘迎军 A kind of preparation method of magnesium alloy solder wire

Cited By (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN107984111A (en) * 2017-12-21 2018-05-04 兰州威特焊材科技股份有限公司 A kind of high-performance magnesium lithium alloy welding wire and its preparation method and application
CN110014246A (en) * 2019-05-09 2019-07-16 宁夏中太镁业科技有限公司 A kind of welding wire and preparation method thereof for welding magnesium alloy materials
CN110014246B (en) * 2019-05-09 2021-04-23 宁夏中太镁业科技有限公司 Welding wire for welding magnesium alloy material and preparation method thereof
CN115740832A (en) * 2022-10-18 2023-03-07 江苏鑫华能环保工程股份有限公司 Carbon fiber reinforced magnesium alloy welding material and preparation method thereof
CN115740832B (en) * 2022-10-18 2023-11-07 江苏鑫华能环保工程股份有限公司 Carbon fiber reinforced magnesium alloy welding material and preparation method thereof
CN115781099A (en) * 2023-01-29 2023-03-14 河北钢研德凯科技有限公司 Welding wire special for argon arc welding of ZM5 alloy casting and preparation method thereof

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