CN104858573A - 一种高强度药芯焊丝 - Google Patents

一种高强度药芯焊丝 Download PDF

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CN104858573A
CN104858573A CN201510227450.9A CN201510227450A CN104858573A CN 104858573 A CN104858573 A CN 104858573A CN 201510227450 A CN201510227450 A CN 201510227450A CN 104858573 A CN104858573 A CN 104858573A
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cored wire
flux
strength
powder
content
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张德远
刘小军
安毕军
付伟
郭寅斌
李强
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Space Flight Kaihong Science & Technology Co Ltd Guizhou
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Space Flight Kaihong Science & Technology Co Ltd Guizhou
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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
    • B23K35/36—Selection of non-metallic compositions, e.g. coatings, fluxes; Selection of soldering or welding materials, conjoint with selection of non-metallic compositions, both selections being of interest
    • B23K35/3601—Selection of non-metallic compositions, e.g. coatings, fluxes; Selection of soldering or welding materials, conjoint with selection of non-metallic compositions, both selections being of interest with inorganic compounds as principal constituents
    • 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
    • B23K35/02—Rods, electrodes, materials, or media, for use in soldering, welding, or cutting characterised by mechanical features, e.g. shape
    • B23K35/0255—Rods, electrodes, materials, or media, for use in soldering, welding, or cutting characterised by mechanical features, e.g. shape for use in welding
    • B23K35/0261—Rods, electrodes, wires
    • B23K35/0266—Rods, electrodes, wires flux-cored
    • 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
    • B23K35/36—Selection of non-metallic compositions, e.g. coatings, fluxes; Selection of soldering or welding materials, conjoint with selection of non-metallic compositions, both selections being of interest
    • B23K35/3601—Selection of non-metallic compositions, e.g. coatings, fluxes; Selection of soldering or welding materials, conjoint with selection of non-metallic compositions, both selections being of interest with inorganic compounds as principal constituents
    • B23K35/3603—Halide salts
    • B23K35/3605—Fluorides
    • 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
    • B23K35/36—Selection of non-metallic compositions, e.g. coatings, fluxes; Selection of soldering or welding materials, conjoint with selection of non-metallic compositions, both selections being of interest
    • B23K35/3601—Selection of non-metallic compositions, e.g. coatings, fluxes; Selection of soldering or welding materials, conjoint with selection of non-metallic compositions, both selections being of interest with inorganic compounds as principal constituents
    • B23K35/3607—Silica or silicates
    • 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
    • B23K35/36—Selection of non-metallic compositions, e.g. coatings, fluxes; Selection of soldering or welding materials, conjoint with selection of non-metallic compositions, both selections being of interest
    • B23K35/3601—Selection of non-metallic compositions, e.g. coatings, fluxes; Selection of soldering or welding materials, conjoint with selection of non-metallic compositions, both selections being of interest with inorganic compounds as principal constituents
    • B23K35/3608—Titania or titanates
    • 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
    • B23K35/36—Selection of non-metallic compositions, e.g. coatings, fluxes; Selection of soldering or welding materials, conjoint with selection of non-metallic compositions, both selections being of interest
    • B23K35/368—Selection of non-metallic compositions of core materials either alone or conjoint with selection of soldering or welding materials
    • 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
    • B23K35/406—Filled tubular wire or rods

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  • Engineering & Computer Science (AREA)
  • Mechanical Engineering (AREA)
  • Chemical & Material Sciences (AREA)
  • Inorganic Chemistry (AREA)
  • Nonmetallic Welding Materials (AREA)

Abstract

本发明公开了一种高强度药芯焊丝包括钢皮和药粉，所述药粉由以下重量百分比的各组分混合而成：铁粉7-9％、硅锰合金40-45％、金红石15-17％、硅灰石2-4％、铬铁17-19％、石英6-8％、萤石0.2-1.4％、钛铁2-3％。通过加大硅锰合金的加入量可以有效改善焊缝成型，使其强度得到进一步的提升，加入的金红石、石英使得其电弧稳定性更好，加入的硅灰石可以调整熔渣的粘度、熔点和表面张力，铁粉的加入有助于提高熔敷效率，减少凹坑和气孔的数量，铬铁的加入主要是向焊缝金属过渡合金元素，萤石中的氟化钙可以改善熔渣的物化性能，加入的钛铁其含有的钛可以细化晶粒，有利于焊缝金属韧性的改善，通过本药粉制备出的药芯焊丝具有脱渣容易、电弧稳定、强度高的特点。

Description

一种高强度药芯焊丝
技术领域
本发明涉及金属焊接材料技术领域，具体涉及一种高强度药芯焊丝。
背景技术
药芯焊丝也称为管状焊丝或粉芯焊丝，是20世纪50年代发展起来的高效率焊接材料，可以通过调整药芯添加物的种类和比例，很方便地设计各种不同用途的焊接材料，以适于不同工矿、不同条件设备部件的要求，用来焊接各种类型钢材。药芯焊丝既具有药皮焊条的配方可调性，同时又具有实芯焊丝连续焊接的特点。药芯焊丝正以其无可比拟的技术和经济性，受到国内外焊接界的极大关注。
随着焊接生产向高效率、低成本、高质量方向发展，药芯焊丝作为一种极有发展前途的焊接材料及高技术产品，在焊接材料中所占的比例越来越大，现有的药芯焊丝普遍存在、电弧不稳定、焊缝金属韧性低、强度低、不容易脱渣等问题。
发明内容
为解决上述技术问题，本发明提供了一种脱渣容易、电弧稳定且强度较高的药芯焊丝。
本发明是通过以下技术方案予以实现的：
一种高强度药芯焊丝，包括钢皮和药粉，所述药粉由以下重量百分比的各组分混合而成：铁粉7-9％、硅锰合金40-45％、金红石15-17％、硅灰石2-4％、铬铁17-19％、石英6-8％、萤石0.2-1.4％、钛铁2-3％。
所述铁粉中Fe的含量≥97％。
所述硅锰合金中Si的含量为40-45％。
所述金红石中TiO2的含量≥97％。
所述硅灰石中CaSiO3的含量≥65％。
所述铬铁中铬的含量为68-70％。
所述石英中二氧化硅的含量≥97％。
所述萤石中氟化钙的含量≥95％。
所述钛铁中钛的含量为30-35％。
本发明的有益效果在于：通过加大硅锰合金的加入量可以有效改善焊缝成型，使其强度得到进一步的提升，加入的金红石、石英使得其电弧稳定性更好，加入的硅灰石可以调整熔渣的粘度、熔点和表面张力，铁粉的加入有助于提高熔敷效率，减少凹坑和气孔的数量，铬铁的加入主要是向焊缝金属过渡合金元素，萤石中的氟化钙可以改善熔渣的物化性能，加入的钛铁其含有的钛可以细化晶粒，有利于焊缝金属韧性的改善，通过本药粉制备出的药芯焊丝具有脱渣容易、电弧稳定、强度高的特点。
具体实施方式
以下结合具体实施例对本发明的技术方案作进一步描述，但要求保护的范围并不局限于所述。
实施例一
取500g混合物为例：铁粉35g、硅锰合金200g、金红石75g、硅灰石10g、铬铁85g、石英30g、萤石1g、钛铁10g，将各种粉末放入混粉机中混合35min，让后将粉末加入到钢皮中，填充率为18％，使药粉包裹在其中，然后通过拉丝机处理即得到高强度药芯焊丝。
实施例二
取500g混合物为例：铁粉40g、硅锰合金212.5g、金红石80g、硅灰石15g、铬铁90g、石英35g、萤石4g、钛铁12.5g，将各种粉末放入混粉机中混合35min，让后将粉末加入到钢皮中，填充率为18％，使药粉包裹在其中，然后通过拉丝机处理即得到高强度药芯焊丝。
实施例三
取500g混合物为例：铁粉45g、硅锰合金225g、金红石85、硅灰石20g、铬铁95g、石英40g、萤石7g、钛铁15g，将各种粉末放入混粉机中混合35min，让后将粉末加入到钢皮中，填充率为18％，使药粉包裹在其中，然后通过拉丝机处理即得到高强度药芯焊丝。
实施例四
取1000g混合物为例：铁粉70g、硅锰合金400g、金红石150g、硅灰石120g、铬铁170g、石英60g、萤石2g、钛铁20g，将各种粉末放入混粉机中混合35min，让后将粉末加入到钢皮中，填充率为19％，使药粉包裹在其中，然后通过拉丝机处理即得到高强度药芯焊丝。
实施例五
取1000g混合物为例：铁粉80g、硅锰合金425g、金红石160g、硅灰石30g、铬铁180g、石英70g、萤石8g、钛铁25g，将各种粉末放入混粉机中混合35min，让后将粉末加入到钢皮中，填充率为19％，使药粉包裹在其中，然后通过拉丝机处理即得到高强度药芯焊丝。
实施例六
取1000g混合物为例：铁粉90g、硅锰合金450g、金红石170、硅灰石40g、铬铁190g、石英80g、萤石14g、钛铁30g，将各种粉末放入混粉机中混合35min，让后将粉末加入到钢皮中，填充率为19％，使药粉包裹在其中，然后通过拉丝机处理即得到高强度药芯焊丝。

Claims (9)

1.一种高强度药芯焊丝，包括钢皮和药粉，其特征在于：所述药粉由以下重量百分比的各组分混合而成：铁粉7-9％、硅锰合金40-45％、金红石15-17％、硅灰石2-4％、铬铁17-19％、石英6-8％、萤石0.2-1.4％、钛铁2-3％。
2.根据权利要求1所述的高强度药芯焊丝，其特征在于：所述铁粉中Fe的含量≥97％。
3.根据权利要求1所述的高强度药芯焊丝，其特征在于：所述硅锰合金中Si的含量为40-45％。
4.根据权利要求1所述的高强度药芯焊丝，其特征在于：所述金红石中TiO2的含量≥97％。
5.根据权利要求1所述的高强度药芯焊丝，其特征在于：所述硅灰石中CaSiO3的含量≥65％。
6.根据权利要求1所述的高强度药芯焊丝，其特征在于：所述铬铁中铬的含量为68-70％。
7.根据权利要求1所述的高强度药芯焊丝，其特征在于：所述石英中二氧化硅的含量≥97％。
8.根据权利要求1所述的高强度药芯焊丝，其特征在于：所述萤石中氟化钙的含量≥95％。
9.根据权利要求1所述的高强度药芯焊丝，其特征在于：所述钛铁中钛的含量为30-35％。
CN201510227450.9A 2015-05-06 2015-05-06 一种高强度药芯焊丝 Pending CN104858573A (zh)

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Citations (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN101450425A (zh) * 2008-12-31 2009-06-10 宁波隆兴焊割科技股份有限公司 耐热钢药芯焊丝
CN101658987A (zh) * 2009-09-14 2010-03-03 山东中创钢构有限公司 一种药芯焊丝
CN102764940A (zh) * 2012-07-03 2012-11-07 宁波隆兴焊割科技股份有限公司 埋弧焊药芯焊丝
CN103495816A (zh) * 2013-10-16 2014-01-08 宁波隆兴焊割科技股份有限公司 Co2气体保护不锈钢药芯焊丝
CN103659049A (zh) * 2013-12-04 2014-03-26 宁波隆兴焊割科技股份有限公司 一种高镍、铬焊接渗透药芯焊丝及制备方法

Patent Citations (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN101450425A (zh) * 2008-12-31 2009-06-10 宁波隆兴焊割科技股份有限公司 耐热钢药芯焊丝
CN101658987A (zh) * 2009-09-14 2010-03-03 山东中创钢构有限公司 一种药芯焊丝
CN102764940A (zh) * 2012-07-03 2012-11-07 宁波隆兴焊割科技股份有限公司 埋弧焊药芯焊丝
CN103495816A (zh) * 2013-10-16 2014-01-08 宁波隆兴焊割科技股份有限公司 Co2气体保护不锈钢药芯焊丝
CN103659049A (zh) * 2013-12-04 2014-03-26 宁波隆兴焊割科技股份有限公司 一种高镍、铬焊接渗透药芯焊丝及制备方法

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Application publication date: 20150826