Process Welding, soldering and adhesive bonding
Welding, soldering and adhesive bonding processes are used to permantly join two or more metal pieces together.

In welding is part of the base material melted. Heating sources can be gas, electric arcs, laser beams, a.o. For some of the processes an electric arc provides the heat. In other cases it comes from the electric resistance between two surfaces.

Soldering processes uses another more low melting metal as binding agent. This means that the base material is not melted. The heating source is typically gas.

Adhesive bonding, also known as gluing, uses a binding agent (often a polymer) to join two surfaces.
Danish Name Svejsning og lodning
Category Joining processes
Fusion welding Electron-beam welding
Laser welding
MAG welding (Metal Active Gas)
MIG welding (Metal Inert Gas)
Plasma welding
Oxyfuel welding
Resistance spot welding
Resistance projection welding
Stick welding
TIG welding (Tungsten Inactive Gas)
Solid state welding

Cold welding
Diffusion welding
Friction welding
Friction stir welding

Soldering

Brazing
Soldering

Adhesive bonding Adhesive bonding

References The FORCE Institute
Department of Manufacturing Engineering and Management, DTU
Photo Thomas Nissen (Computer graphics)
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© 1996-2008 Torben Lenau
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