Physics of Welding

Physics of Welding

Physics of Welding - The physics of welding deals with complex physical phenomena associated with welding including heat, electricity, magnetism, light, etc. Majority of welding processes require the application of heat which is obtained through
(i) Flame,
(ii) Arc,
(iii) Contact resistance,
(iv) Electron beam,
(v) Laser,
(vi) Exothermic reactions, etc.

AC/DC electric power supply is used to generate heat for many welding processes.Magnetic fields set up due to the flow of current through the electrode and the arc generate pinch effect and influence the welding arcs.
Arc blow, plasma streaming and metal transfer are some of the welding arc features strongly influenced by the presence of magnetic fields. All these and a number of other aspects of physics of welding.

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