ALUMINUM IS JOINED with most of the known joining processes. It is readily joined by welding, braz-ing, soldering, adhesive bonding, or mechanical fasten-ing. In many instances, aluminum is joined by the conventional equipment and techniques used with other metals. Occasionally, specialized equipment or techniques, or both, are required. The alloy, joint con-figuration, strength requirement, appearance, and cost are factors that dictate the choice of joining process.Each process for joining aluminum has certain advan-tages and limitations.
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