electric-arc welding


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electric-arc welding

[i′lek·trik ‚ärk ′weld·iŋ]
(metallurgy)
Welding in which the joint is heated to fusion by an electric arc or by a large electric current. Also known as arc welding.

arc welding

arc welding: above, with bare electrodes; below, circuit
The joining of metal parts by fusion, in which the necessary heat is produced by means of an electric arc, sometimes accompanied by the use of a filler metal and/or the application of pressure.