PLASTICITY The ability of a material to perma-
nently deform without breaking or rupturing.
POROSITY The presence of gas pockets or voids in
QUENCHING The process of rapid cooling from an
elevated temperature by contact with fluids or
QUENCHING MEDIUM The oil, water, brine, or
other medium used for rapid cooling.
RSW Resistance spot welding.
RW Resistance welding.
SEIZE To bind securely the end of a wire rope or
strand with seizing wire.
SHEARING STRESSES The stresses developed
within a material when external forces are applied
along parallel lines in opposite directions.
SMAW Shielded metal arc welding.
SOAKING Holding a metal at a required tempera-
ture for a specified time to obtain even temperature
throughout the section.
STINGER An electrode holder; a clamping device
for holding the electrode securely in any position.
STRESS External or internal force applied to an ob-
TENSILE STRENGTH The resistance to being
TENSION STRESSES The stresses developed
when a material is subjected to a pulling load.
TIG A term used to describe gas tungsten arc welding
(tungsten inert gas).
TINNING A term applied to soldering where the
metals to be soldered together are first given a coat
of the soldering metal.
WELD To join metals by heating them to a melting
temperature and causing the molten metal to flow
WELDMENT An assembly whose parts are joined
ULTIMATE STRENGTH The maximum strain that
a material is capable of withstanding.