CN106077999B - 一种耐腐蚀高硬度药芯焊丝 - Google Patents

一种耐腐蚀高硬度药芯焊丝 Download PDF

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CN106077999B
CN106077999B CN201610634957.0A CN201610634957A CN106077999B CN 106077999 B CN106077999 B CN 106077999B CN 201610634957 A CN201610634957 A CN 201610634957A CN 106077999 B CN106077999 B CN 106077999B
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CN106077999A (zh
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卢齐元
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Tianchang Ruiying welding materials Co., Ltd
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Tianchang Tonglian Welding Industry Co Ltd
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    • 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
    • B23K35/30Selection of soldering or welding materials proper with the principal constituent melting at less than 1550 degrees C
    • B23K35/3053Fe as the principal constituent
    • B23K35/308Fe as the principal constituent with Cr as next major constituent
    • B23K35/3086Fe as the principal constituent with Cr as next major constituent containing Ni or Mn
    • 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
    • B23K35/0266Rods, electrodes, wires flux-cored
    • 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
    • B23K35/36Selection 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
    • B23K35/3601Selection 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
    • B23K35/3603Halide salts
    • B23K35/3605Fluorides
    • 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
    • B23K35/36Selection 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
    • B23K35/368Selection of non-metallic compositions of core materials either alone or conjoint with selection of soldering or welding materials

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

Abstract

本发明公开了一种耐腐蚀高硬度药芯焊丝,由低碳冷轧钢带外皮内裹药芯构成,药芯原料按重量分包括:高碳铬铁30‑50份,金属铬20‑28份,氟化钡10‑22份,碳酸钙2‑6份,锆英砂0.5‑2.5份,硅锰合金5‑10份,电解锰2‑8份,钼铁2‑6份,钒铁6‑10份,镍粉2‑5份,钨粉2‑7份,钴粉1‑4份,石墨2‑9份,低硅铁1‑4份,铝镁合金10‑16份,二氧化钛2‑7份,铁粉100‑200份。本发明化学成分配比合理,韧性、耐蚀性好,焊接接头硬度高。

Description

一种耐腐蚀高硬度药芯焊丝
技术领域
本发明涉及药芯焊丝技术领域,尤其涉及一种耐腐蚀高硬度药芯焊丝。
背景技术
堆焊作为材料表面改性的一种经济而快捷的工艺方法,能有效地改变材料表面的耐磨性、耐蚀性和其他力学性能,对提高零件的使用寿命、合理使用材料、提高产品性能、降低成本有显著的效果,越来越广的应用于机械零件的制造修复中。焊接质量的好坏、焊接效率的高低是由焊接材料、焊接工艺决定的,尤其是焊接材料是焊接的关键,堆焊材料是影响堆焊合金耐磨性的重要因素,药芯焊丝生产效率高,可连续自动或半自动焊接,熔敷速度高,焊缝截面大,可减少坡口角度,节省熔敷金属,对焊缝有明显的冶金改善效果。
目前对耐磨件的修复主要是采用耐磨堆焊药芯焊丝焊接,目前耐磨堆焊药芯焊化学成分配比不合理,韧性、焊接接头硬度、耐蚀性低,从而使堆焊合金达不到使用要求,致使金属构件寿命不高。
发明内容
基于背景技术存在的技术问题,本发明提出了一种耐腐蚀高硬度药芯焊丝,化学成分配比合理,韧性、耐蚀性好,焊接接头硬度高。
本发明提出的一种耐腐蚀高硬度药芯焊丝,由低碳冷轧钢带外皮内裹药芯构成,药芯原料按重量分包括:高碳铬铁30-50份,金属铬20-28份,氟化钡10-22份,碳酸钙2-6份,锆英砂0.5-2.5份,硅锰合金5-10份,电解锰2-8份,钼铁2-6份,钒铁6-10份,镍粉2-5份,钨粉2-7份,钴粉1-4份,石墨2-9份,低硅铁1-4份,铝镁合金10-16份,二氧化钛2-7份,铁粉100-200份。
优选地,氟化钡、碳酸钙的含量满足函数关系式:n氟化钡=2.5×n碳酸钙+6;n氟化钡、n碳酸钙分别表示氟化钡、碳酸钙在原料中所占重量份。
优选地,氟化钡、碳酸钙的重量比为11-14:3-5。
优选地,高碳铬铁、金属铬的重量比为40-46:22-25。
优选地,锆英砂、硅锰合金、电解锰的重量比为1-1.8:6-8:4-6。
优选地,镍粉、钨粉、钴粉的重量比为3-4:4-6:1.5-2.5。
优选地,所述的耐腐蚀高硬度药芯焊丝,药芯原料按重量分包括:高碳铬铁40-46份,金属铬22-25份,氟化钡11-14份,碳酸钙3-5份,锆英砂1-1.8份,硅锰合金6-8份,电解锰4-6份,钼铁3-5份,钒铁7-8份,镍粉3-4份,钨粉4-6份,钴粉1.5-2.5份,石墨3-6份,低硅铁2-3.5份,铝镁合金12-14份,二氧化钛3-5份,铁粉120-140份。
本发明中,高碳铬铁可以增加焊丝耐磨性和回火稳定性,通过调整高碳铬铁、金属铬的加入量,不仅能够形成足够的Cr3C2和WC,增加熔敷金属的硬度,且焊接过程中不易产生裂纹,韧性极好,而氟化钡和碳酸钙配合作用,并控制两者的含量符合一定关系,可有效增加熔敷金属的抗裂性能,且制品具有很好的高温硬度和耐热疲劳性能,耐磨性好,可以实现连续焊接,提高生产效率。
本发明药芯焊丝化学成分配比合理,韧性与硬度好,耐磨、耐腐蚀,焊接时,无需加任何焊剂和保护气体便可直接进行堆焊,降低了施工成本,减少了操作上的不便,焊缝无渣。
具体实施方式
下面,通过具体实施例对本发明的技术方案进行详细说明。
实施例1
一种耐腐蚀高硬度药芯焊丝,由低碳冷轧钢带外皮内裹药芯构成,药芯原料按重量分包括:高碳铬铁30份,金属铬28份,氟化钡21份,碳酸钙6份,锆英砂0.5份,硅锰合金10份,电解锰2份,钼铁6份,钒铁6份,镍粉5份,钨粉2份,钴粉4份,石墨2份,低硅铁4份,铝镁合金10份,二氧化钛7份,铁粉100份。
实施例2
一种耐腐蚀高硬度药芯焊丝,由低碳冷轧钢带外皮内裹药芯构成,药芯原料按重量分包括:高碳铬铁50份,金属铬20份,氟化钡16份,碳酸钙2份,锆英砂2.5份,硅锰合金5份,电解锰8份,钼铁2份,钒铁10份,镍粉2份,钨粉7份,钴粉1份,石墨9份,低硅铁1份,铝镁合金16份,二氧化钛2份,铁粉200份。
实施例3
一种耐腐蚀高硬度药芯焊丝,由低碳冷轧钢带外皮内裹药芯构成,药芯原料按重量分包括:高碳铬铁40份,金属铬25份,氟化钡11份,碳酸钙5份,锆英砂1份,硅锰合金8份,电解锰4份,钼铁5份,钒铁7份,镍粉4份,钨粉4份,钴粉2.5份,石墨3份,低硅铁3.5份,铝镁合金12份,二氧化钛5份,铁粉120份。
实施例4
一种耐腐蚀高硬度药芯焊丝,由低碳冷轧钢带外皮内裹药芯构成,药芯原料按重量分包括:高碳铬铁46份,金属铬22份,氟化钡14份,碳酸钙3份,锆英砂1.8份,硅锰合金6份,电解锰6份,钼铁3份,钒铁8份,镍粉3份,钨粉6份,钴粉1.5份,石墨6份,低硅铁2份,铝镁合金14份,二氧化钛3份,铁粉140份。
实施例5
一种耐腐蚀高硬度药芯焊丝,由低碳冷轧钢带外皮内裹药芯构成,药芯原料按重量分包括:高碳铬铁43份,金属铬24份,氟化钡13份,碳酸钙4份,锆英砂1.4份,硅锰合金7份,电解锰5份,钼铁4份,钒铁7.6份,镍粉3.2份,钨粉5份,钴粉1.8份,石墨5份,低硅铁2.6份,铝镁合金13.2份,二氧化钛4份,铁粉128份。
以上所述,仅为本发明较佳的具体实施方式,但本发明的保护范围并不局限于此,任何熟悉本技术领域的技术人员在本发明揭露的技术范围内,根据本发明的技术方案及其发明构思加以等同替换或改变,都应涵盖在本发明的保护范围之内。

Claims (6)

1.一种耐腐蚀高硬度药芯焊丝,其特征在于,由低碳冷轧钢带外皮内裹药芯构成,药芯原料按重量分包括:高碳铬铁30-50份,金属铬20-28份,氟化钡10-22份,碳酸钙2-6份,锆英砂0.5-2.5份,硅锰合金5-10份,电解锰2-8份,钼铁2-6份,钒铁6-10份,镍粉2-5份,钨粉2-7份,钴粉1-4份,石墨2-9份,低硅铁1-4份,铝镁合金10-16份,二氧化钛2-7份,铁粉100-200份;
其中,氟化钡、碳酸钙的含量满足函数关系式:n氟化钡=2.5×n碳酸钙+6;n氟化钡、n碳酸钙分别表示氟化钡、碳酸钙在原料中所占重量份。
2.根据权利要求1所述的耐腐蚀高硬度药芯焊丝,其特征在于,氟化钡、碳酸钙的重量比为11-14:3-5。
3.根据权利要求1或2所述的耐腐蚀高硬度药芯焊丝,其特征在于,高碳铬铁、金属铬的重量比为40-46:22-25。
4.根据权利要求1或2所述的耐腐蚀高硬度药芯焊丝,其特征在于,锆英砂、硅锰合金、电解锰的重量比为1-1.8:6-8:4-6。
5.根据权利要求1或2所述的耐腐蚀高硬度药芯焊丝,其特征在于,镍粉、钨粉、钴粉的重量比为3-4:4-6:1.5-2.5。
6.根据权利要求1或2所述的耐腐蚀高硬度药芯焊丝,其特征在于,药芯原料按重量分包括:高碳铬铁40-46份,金属铬22-25份,氟化钡11-14份,碳酸钙3-5份,锆英砂1-1.8份,硅锰合金6-8份,电解锰4-6份,钼铁3-5份,钒铁7-8份,镍粉3-4份,钨粉4-6份,钴粉1.5-2.5份,石墨3-6份,低硅铁2-3.5份,铝镁合金12-14份,二氧化钛3-5份,铁粉120-140份。
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CN106624468B (zh) * 2016-12-14 2018-10-30 安徽华众焊业有限公司 自保护药芯焊丝
CN107414340A (zh) * 2017-05-11 2017-12-01 安徽飞弧焊业股份有限公司 一种桥梁用药芯焊丝
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