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ag Mechanics unit 3
terms unit 3
Term | Definition |
---|---|
current that reverses its direction 60 times per second | Alternating Current (AC) |
using an electric arc to fuse metal | Arc welding |
mix of base metal and filler rod that remains after welding | Bead |
current that flows in one direction continuously | Direct Current (DC) |
a section of flux-coated wire used in welding | Electrode |
a substance used to remove the oxide on metal that is to be soldered or welded | Flux |
the union or blending of molten metal to form a strong bond | Fusion |
distance in a weld from the original surface of the base metal to that depth or point at which fusion ceases | Penetration |
the product formed when buring steel combines with oxygen | Slag |
joining two or more times by fusion | Weld |
a protective device worn on the head while arc welding to protect the eyes, skin, and other exposed parts from injury | Welding helmet |
the location of a weld relative to the location of the welding equipment, such as flat, vertical, horizontal, or overhead | Welding position |