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    • 40. 发明申请
    • CONSUMABLE FOR SPECIALLY COATED METALS
    • 消耗特殊涂层金属
    • WO2014140708A1
    • 2014-09-18
    • PCT/IB2014/000256
    • 2014-03-07
    • LINCOLN GLOBAL, INC.
    • NARAYANAN, Badri, K.
    • B23K35/36B23K35/362B23K35/02
    • B23K35/362B23K35/3053
    • A consumable electrode (40, 100) for use in arc welding applications, e.g., gas shielded metal arc welding (GMAW) or gas shielded flux core arc welding (FCAW-G) applications, on a workpiece (50) with a metal coating (52), e.g., zinc. The electrode (40, 100) includes a metal sheath (110) surrounding a core (120), and filler materials are disposed in the core (120). The filler materials include fluxing materials (140) that facilitate a partitioning of the coating (52) of the workpiece (50) into a slag formed at least in part by the fluxing materials. The fluxing materials include deoxidizing materials in a range of 2% to 6% by weight of the electrode (40, 100). The deoxidizing materials can include aluminum and/or magnesium. To reduce fume formation, the concentration of the slag forming materials in the core (120) is limited to that needed to partition enough zinc away from the weld/slag interface to produce a weld with little or no porosity.
    • 一种在具有金属涂层的工件(50)上用于电弧焊应用的消耗电极(40,100),例如气体保护金属电弧焊(GMAW)或气体保护焊剂芯弧电弧焊(FCAW-G)应用) 52),例如锌。 电极(40,100)包括围绕芯部(120)的金属护套(110),并且填充材料设置在芯部(120)中。 填充材料包括有助于将工件(50)的涂层(52)分隔成至少部分由助熔材料形成的炉渣的助熔材料(140)。 助熔材料包括在电极(40,100)的2重量%至6重量%的范围内的脱氧材料。 脱氧材料可以包括铝和/或镁。 为了减少烟气形成,芯部(120)中的成渣材料的浓度被限制为将足够的锌从焊接/熔渣界面分开以产生具有很小或没有孔隙率的焊缝所需的浓度。