®COPYRIGHT
2000 THE ESAB GROUP, INC. LESSON
VI APPENDIX
A LESSON
VI -
GLOSSARY OF
TERMS Composite
Electrode
- A filler
metal electrode used in arc welding, consisting of more than one metal
component combined mechanically. It
may or may not include materials which protect
the molten metal from the atmosphere, improve the properties of the
weld metal or stabilize the arc.
Work Harden
- The
development of hardness in metals as a result of cold working such as
forming, bending, or drawing.
Anneal - The
process of heating a metal to a temperature below the critical range,
followed by a relatively slow cooling
cycle to induce softness and remove stresses.
Deoxidizers - Elements,
such as manganese, silicon, aluminum, titanium, and zirconium,
used in welding electrodes and wires
to prevent oxygen from forming harmful oxides
and porosity in weld metal. Flux
- Material
used to prevent, dissolve, or facilitate removal of oxides and other
undesirable substances in welding,
soldering, or brazing. In submerged arc welding,
the flux shields the molten puddle from the atmosphere which helps
to influence the mechanical weld metal
deposit. Bonded
Fluxes
- Bonded
fluxes are manufactured by binding an assortment of powder together
and then baking at a low temperature.
The major advantage is that addi- tional
alloying ingredients can be added to the mixture. Fused
Fluxes
- Fused
fluxes are melted ingredients which have been chilled and ground to a
particular particle size. The
advantage of this type flux is the low moisture pick-up
and improved recycling capabilities.
