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6013 aluminium alloy consist of magnesium, silicon, copper, manganese, iron, zinc, chromium, and titanium as minor alloying elements. [ 1 ] Chemical Composition
Arc welding power supplies can deliver either direct (DC) or alternating (AC) current to the work, while consumable or non-consumable electrodes are used. The welding area is usually protected by some type of shielding gas (e.g. an inert gas), vapor, or slag. Arc welding processes may be manual, semi-automatic, or fully automated.
Welding joins two pieces of metal using heat, pressure, or both. The most common modern welding methods use heat sufficient to melt the base metals to be joined and the filler metal. [32] This includes gas welding and all forms of arc welding. [33] The area where the base and filler metals melt is called the weld pool or puddle. [34]
Many gas welding processes, such as lead burning, are typically autogenous and a separate wire filler rod of the same metal is only added if there is a gap to fill. Some metals, such as lead or Birmabright aluminium alloy, use offcut strips of the same metal as filler. Steels are usually welded with a filler alloy made specially for the purpose.
The then-novel and revolutionary method of rod welding previously problematic metals was developed in the early 1970s to the. TAG welding was then the use of a tungsten-tipped, arc-creating welding machine. The tip was centred in a shroud that fed argon gas around the tungsten tip to prevent the composition of the weld becoming oxidised and ...
In oxy-fuel welding, a welding torch is used to weld metals. Welding metal results when two pieces are heated to a temperature that produces a shared pool of molten metal. The molten pool is generally supplied with additional metal called filler. Filler material selection depends upon the metals to be welded.
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