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  2. Laser-hybrid welding - Wikipedia

    en.wikipedia.org/wiki/Laser-hybrid_welding

    There are three main types of hybrid welding process, depending on the arc used: TIG, plasma arc or MIG augmented laser welding. While TIG-augmented laser welding was the first to be researched, MIG is the first to go into industry and is commonly known as hybrid laser welding. Whereas in the early days laser sources still had to prove their ...

  3. Laser guided and stabilized arc welding - Wikipedia

    en.wikipedia.org/wiki/Laser_guided_and...

    Laser guided and stabilized welding (LGS-welding) is a process in which a laser beam irradiates an electrical heated plasma arc to set a path of increased conductivity. Therefore, the arc's energy can be spatial directed and the plasma burns more stable.

  4. List of welding processes - Wikipedia

    en.wikipedia.org/wiki/List_of_welding_processes

    Induction welding: 74: IW Laser beam welding: 521 522: LBW Deep penetration, fast, high equipment cost Automotive industry Laser-hybrid welding: Combines LBW with GMAW in the same welding head, able to bridge gaps up to 2mm (between plates), previously not possible with LBW alone. Automotive, Shipbuilding, Steelwork industries Percussion ...

  5. Laser beam welding - Wikipedia

    en.wikipedia.org/wiki/Laser_beam_welding

    A derivative of LBW, laser-hybrid welding, combines the laser of LBW with an arc welding method such as gas metal arc welding (GMAW). This combination allows for greater positioning flexibility, since GMAW supplies molten metal to fill the joint, and due to the use of a laser, increases the welding speed over what is normally possible with GMAW.

  6. Weld quality assurance - Wikipedia

    en.wikipedia.org/wiki/Weld_quality_assurance

    Inline coherent imaging (ICI) is a recently developed interferometric technique based on optical coherence tomography [8] that is used for quality assurance of keyhole laser beam welding, a welding method that is gaining popularity in a variety of industries. ICI aims a low-powered broadband light source through the same optical path as the ...

  7. Heat-affected zone - Wikipedia

    en.wikipedia.org/wiki/Heat-affected_zone

    In fusion welding, the heat-affected zone (HAZ) is the area of base material, either a metal or a thermoplastic, which is not melted but has had its microstructure and properties altered by welding or heat intensive cutting operations. The heat from the welding process and subsequent re-cooling causes this change from the weld interface to the ...

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