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  2. Hyperbaric welding - Wikipedia

    en.wikipedia.org/wiki/Hyperbaric_welding

    Hyperbaric welding is the process of extreme welding at elevated pressures, normally underwater. [1] [2] Hyperbaric welding can either take place wet in the water itself or dry inside a specially constructed positive pressure enclosure and hence a dry environment. It is predominantly referred to as "hyperbaric welding" when used in a dry ...

  3. Category:Welding - Wikipedia

    en.wikipedia.org/wiki/Category:Welding

    Welding is the joining together of materials (typically metals or thermoplastics), ... Hyperbaric welding; I. Implant induction welding of thermoplastics;

  4. List of welding codes - Wikipedia

    en.wikipedia.org/wiki/List_of_welding_codes

    Diver-welders for hyperbaric wet welding ISO 15618-2: Qualification testing of welders for under-water welding. Diver-welders and welding operators for hyperbaric dry welding ISO 17635: Non-destructive testing of welds. General rules for metallic materials ISO 17660-1: Welding - Welding of reinforcing steel - Part 1: Load-bearing welded joints ...

  5. Konstantin Khrenov - Wikipedia

    en.wikipedia.org/wiki/Konstantin_Khrenov

    A modern underwater welding. Khrenov dedicated his entire career to the development of welding techniques and equipment. He invented methods of electric welding and cutting metals under water, designed power sources for arc and spot welding, ceramic fluxes, electrode coatings, methods of cold pressure welding, diffusion welding, plasma cutting and many others. [3]

  6. Welding - Wikipedia

    en.wikipedia.org/wiki/Welding

    Welding a handle onto a pitcher can usually be done with relative ease. However, when welding a tube to another tube, a combination of blowing and suction, and pressing and pulling is used to ensure a good seal, to shape the glass, and to keep the surface tension from closing the tube in on itself. Sometimes a filler rod may be used, but ...

  7. Commercial offshore diving - Wikipedia

    en.wikipedia.org/wiki/Commercial_offshore_diving

    When welding is necessary a hyperbaric welding chamber may be fitted around the pipeline so that welding can be done in an inert gaseous environment rather than wet, as this improves the weld quality. Depending on circumstances, the chamber may be large enough for the welder to work inside, but as the chamber must be accessed at depth and is ...

  8. Saturation diving - Wikipedia

    en.wikipedia.org/wiki/Saturation_diving

    Saturation diver working on the USS Monitor wreck at 70 m (230 ft) depth. Saturation diver conducts deep sea salvage operations. Saturation diving is diving for periods long enough to bring all tissues into equilibrium with the partial pressures of the inert components of the breathing gas used.

  9. Underwater cutting and welding - Wikipedia

    en.wikipedia.org/wiki/Underwater_cutting_and_welding

    Oxygen arc cutting and arc welding underwater requires greater skill and stamina than working in a dry and stable environment. The underwater environment imposes several limitations and restrictions on both the equipment and the operator, and the restriction of short bottom times at greater depths for surface-oriented divers makes efficient working important to getting the job done in a ...