Electrolytic welding
Heating of the parts to be joined in the electrolytic bath is made by direct current. If you omit the two electrodes in an aqueous solution of alkali, potash or soda and skip through the electrolyte direct current from one electrode to another, with sufficient current density can be observed that the surface electrode attached to the negative pole of a current source, ie, the cathode, quickly heated to melting. Such heating is observed when feeding the DC voltage setting in the 110-220 and sufficient current densities. This phenomenon is explained by the fact that when the current passes the cathode surface is covered with a thin film of hydrogen bubbles, which increases the resistance to the passage of electric current, which creates a considerable; voltage drop and power loss in a thin layer at the cathode surface. Liberated a large thermal capacity, and goes to heating the surface layer of the cathode. For details of the welding heated compress and produce a draft. The coupled parts simultaneously heated by immersing them in the bath as the cathode. The method is rarely used to connect small parts, wires, etc.
See also:
Blacksmith (Forge) Welding
Blacksmith (Forge) Welding Part 2
Induction (high frequency) Welding
Diffusion Welding
Casting or Foundry Welding
Friction Welding
Electrolytic Welding
Welding Under Water
Explosive Welding
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