Welding, Brazing, and Soldering
Brazing of Aluminum Alloys
Aluminum, a commonly used base material for brazing, can be easily fabricated by most manufacturing methods, such as machining, forming, and stamping. This article outlines non-heat-treatable wrought alloys typically used as base metals for the brazing process. It highlights chloride-active and fluoride-active types of fluxes that are used for torch, furnace, or dip brazing processes. The article explains the steps to be performed, including the designing of joints, preblaze cleaning, assembling, brazing techniques (dip brazing, furnace and torch brazing, fluxless vacuum brazing), flux removal techniques, and postbraze heat treatment processes. It concludes with information on the safety precautions to be followed during the brazing process.
E.B. Gempler, Brazing of Aluminum Alloys, Welding, Brazing, and Soldering, Vol 6, ASM Handbook, Edited By David LeRoy Olson, Thomas A. Siewert, Stephen Liu, Glen R. Edwards, ASM International, 1993, p 937–940, https://doi.org/10.31399/asm.hb.v06.a0001455
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