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  2. Gas metal arc welding - Wikipedia

    en.wikipedia.org/wiki/Gas_metal_arc_welding

    Spray transfer GMAW. Gas metal arc welding (GMAW), sometimes referred to by its subtypes metal inert gas (MIG) and metal active gas (MAG) is a welding process in which an electric arc forms between a consumable MIG wire electrode and the workpiece metal(s), which heats the workpiece metal(s), causing them to fuse (melt and join).

  3. Shielding gas - Wikipedia

    en.wikipedia.org/wiki/Shielding_gas

    Welding flat surfaces requires higher flow than welding grooved materials, since the gas is dispersed more quickly. Faster welding speeds, in general, mean that more gas needs to be supplied to provide adequate coverage. Additionally, higher current requires greater flow, and generally, more helium is required to provide adequate coverage than ...

  4. Welding - Wikipedia

    en.wikipedia.org/wiki/Welding

    Gas metal arc welding (GMAW), also known as metal inert gas or MIG welding, is a semi-automatic or automatic process that uses a continuous wire feed as an electrode and an inert or semi-inert gas mixture to protect the weld from contamination. Since the electrode is continuous, welding speeds are greater for GMAW than for SMAW.

  5. Brazing - Wikipedia

    en.wikipedia.org/wiki/Brazing

    Braze welding is the use of a bronze or brass filler rod coated with flux to join steel workpieces. The equipment needed for braze welding is basically identical to the equipment used in brazing. Since braze welding usually requires more heat than brazing, acetylene or methylacetylene-propadiene gas fuel is commonly used. The name comes from ...

  6. Oxy-fuel welding and cutting - Wikipedia

    en.wikipedia.org/wiki/Oxy-fuel_welding_and_cutting

    A slightly oxidizing flame is used in braze-welding and bronze-surfacing while a more strongly oxidizing flame is used in fusion welding certain brasses and bronzes [5] The size of the flame can be adjusted to a limited extent by the valves on the torch and by the regulator settings, but in the main it depends on the size of the orifice in the tip.

  7. List of brazing alloys - Wikipedia

    en.wikipedia.org/wiki/List_of_brazing_alloys

    F Bronze. For brazing tungsten carbide to steels. Primarily used for rock drills or when simultaneous heat treatment is required. 57: 38: 2: 2: Cu 86 Zn 10 Co 4: Cu–Zn 960/1030 [69] – D Bronze. For brazing tungsten carbide to steels. Primarily used for rock drills or when simultaneous heat treatment is required. 86: 10: 4: Cu 85 Sn 8 Ag 7 ...

  8. Aluminium–silicon alloys - Wikipedia

    en.wikipedia.org/wiki/Aluminium–silicon_alloys

    Aluminium-silicon alloys typically contain 3% to 25% silicon content. [1] Casting is the primary use of aluminum-silicon alloys, but they can also be utilized in rapid solidification processes and powder metallurgy. Alloys used by powder metallurgy, rather than casting, may contain even more silicon, up to 50%. [1]

  9. Welding inspection - Wikipedia

    en.wikipedia.org/wiki/Welding_inspection

    The evolution of welding technology has been driven by advancements in Weld quality assurance, welding codes, and standards for welding inspection. [11] While the origins of welding can be traced back to approximately 3000 B.C., the need for effective weld joint inspection became increasingly apparent during the late 19th and early 20th centuries, coinciding with the rise of industrialization ...

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