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Brazing Methods Brazing methods range from torch brazing in open air to vacuum furnace brazing. Torch and induction brazing are the most common, using an Ag-Cu-Zn alloy to form joints. Oxides form on surfaces of base metals in open air, prohibiting the filler metal from wetting the assembly ...

Flux Defined Flux, according to the American Welding Society (AWS), is "a material used to hinder or prevent the formation of oxides and other undesirable substances in molten metal and on solid-metal surfaces, and to dissolve or otherwise facilitate the removal of such substances." In other words, ...