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  2. Gas tungsten arc welding - Wikipedia

    en.wikipedia.org/wiki/Gas_tungsten_arc_welding

    GTAW weld area. Manual gas tungsten arc welding is a relatively difficult welding method, due to the coordination required by the welder. Similar to torch welding, GTAW normally requires two hands, since most applications require that the welder manually feed a filler metal into the weld area with one hand while manipulating the welding torch in the other.

  3. Radio-frequency welding - Wikipedia

    en.wikipedia.org/wiki/Radio-frequency_welding

    [1] [2] [3] The RF power generator converts line power to high-frequency, high-voltage power for welding. Typical voltages are 1kVAC – 1.5kVAC at a frequency of 27.12 MHz. [1] The power needed for welding is based on the area of the weld, thickness, and the material. [2] The control unit is the system used for operating the machine.

  4. List of welding processes - Wikipedia

    en.wikipedia.org/wiki/List_of_welding_processes

    Gas Metal Arc Welding [3] 131 135: GMAW Continuous consumable electrode and shielding gas: Industry Gas Tungsten Arc Welding [4] 141: GTAW Nonconsumable electrode, slow, high quality welds Aerospace, Construction (piping), Tool and Die Plasma Arc Welding: 15: PAW Nonconsumable electrode, constricted arc Tubing, instrumentation Shielded Metal ...

  5. Arc welding - Wikipedia

    en.wikipedia.org/wiki/Arc_welding

    Gas tungsten arc welding (GTAW), or tungsten/inert-gas (TIG) welding, is a manual welding process that uses a non-consumable electrode made of tungsten, an inert or semi-inert gas mixture, and a separate filler material. Especially useful for welding thin materials, this method is characterized by a stable arc and high quality welds, but it ...

  6. Induction welding - Wikipedia

    en.wikipedia.org/wiki/Induction_welding

    Induction welding is a form of welding that uses electromagnetic induction to heat the workpiece. The welding apparatus contains an induction coil that is energised with a radio-frequency electric current. This generates a high-frequency electromagnetic field that acts on either an electrically conductive or a ferromagnetic workpiece.

  7. Plasma arc welding - Wikipedia

    en.wikipedia.org/wiki/Plasma_arc_welding

    Plasma arc welding is an advanced form of tungsten inert gas (TIG) welding. In the case of TIG, it is an open arc shielded by argon or helium, whereas plasma uses a special torch where the nozzle is used to constrict the arc while the shielding gas is separately supplied by the torch. The arc is constricted with the help of a water-cooled small ...