1. Welding processes
Fused wire-electrode welding involves melting a filler metal, provided by the wire electrode, at the same time as the adjacent parts of the components to be joined. The molten metal from each component is brought together at the joint in a metal bath that fills the interface.
As the melt cools, the molten metal at the melting point solidifies, forming a strong bond with the base metal. When solidification is complete, there is continuity of metal across the joint.
In arc welding, a powder flux or gas is generally used to protect the molten pool from the action of air.
1.1 Terminology
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Welding processes
Welding types
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