2007-11-20 08:12:00 · 3 answers · asked by parasu r 1 in Science & Mathematics ➔ Engineering
Arc welding is one of many different methods for joining metals. In conventional arc welding (stick welding), a consumable electrode is used. An electric power supply is connected to the work piece (it must be part of the electric circuit) and to the electrode. The electrode is a metal rod (composition chosen for the metal to be welded) coated with a flux. When the end of the electrode is brought close to the work piece, an electric arc jumps between the electode and the work piece. The energy from the arc melts the work piece and the electrode, forming a molten pool (the weld). The flux from the electrode also melts and forms a protective molten film (slag) that floats on the molten metal and helps to minimize oxidation of the molten metal.
I hope this helps.
2007-11-20 08:23:56 · answer #1 · answered by Gary H 7 · 1⤊ 1⤋
Tig Welding
2007-11-20 16:19:13 · answer #2 · answered by hawk_barry 6 · 0⤊ 0⤋
It's the way Joan of Arc kept her armor in good condition.
2007-11-20 23:00:52 · answer #3 · answered by aviophage 7 · 1⤊ 0⤋