Английский язык для инженеров сварочного производства. Гричин С.В - 134 стр.

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134
The virtually pure form of iron existing below the lower critical
temperature and characterized by a body-centered cubic lattice crystal
structure. It is magnetic and has very slight solid solubility for carbon.
FILLER METAL
Metal to be added in making a weld.
FILLET WELD
A weld of approximately triangular cross section, as used in a lap joint,
joining two surfaces at approximately right angles to each other.
FILTER GLASS
A colored glass used in goggles, helmets, and shields to exclude
harmful light rays.
FLAME CUTTING
see OXYGEN CUTTING.
FLAME GOUGING
See OXYGEN GOUGING.
FLAME HARDENING
A method for hardening a steel surface by heating with a gas flame
followed by a rapid quench.
FLAME SOFTENING
A method for softening steel by heating with a gas flame followed by
slow cooling.
FLASH
Metal and oxide expelled from a joint made by a resistance welding
process.
FLASH WELDING
A resistance welding process in which fusion is produced,
simultaneously over the entire area of abutting surfaces, by the heat
obtained from resistance to the flow of current between two surfaces
and by the application of pressure after heating is substantially
completed. Flashing is accompanied by expulsion of metal from the
joint.
FLASHBACK
The burning of gases within the torch or beyond the torch in the hose,
usually with a shrill, hissing sound.
FLAT POSITION
The position in which welding is performed from the upper side of the
joint and the face of the weld is approximately horizontal.
FILM BRAZING
A process in which bonding is produced by heating with a molten
nonferrous filler metal poured over the joint until the brazing

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