Welding Glossary X Y Z

X ray A stream of high energy photons; common term for a photographic image made through the use of Xrays.
X ray inspection The use of X rays to check a weld for flaws or defects.
Yield strength The stress in psi at which a weld test specimen assumes a specific limiting permanent set.
ZZ Top A small south Texas band that makes music particularly good for listening to while welding.
Zirconia Zirconium dioxide, a compound used in some TIG (GTAW) tungsten electrodes for AC welding.It permits easier arc starting than pure tungsten.