NDT Vocabulary Study Guide & Non-Destructive Testing Terminology Revision Notes
Borescope - ANS ✔✔An optical tool with which a visual inspection can be made inside a area
that is otherwise impossible to see.
Dwell time - ANS ✔✔The time required for a liquid penetrant to cure based on the size and
shape of the discontinuity.
Residual magnetism - ANS ✔✔Is the magnetization left behind in a ferromagnetic material after
an external magnetic field is removed
Longitudinal magnetization - ANS ✔✔Magnetization of a material or medium essentially in the
same direction as the material or medium is traveling
Heat treat cracks - ANS ✔✔The use of heating normally to extreme to achieve a desired result
such as hardening or softening of a material.
Continuous magnetism - ANS ✔✔A part be subjected to the magnetizing force when the testing
medium is applied.
Fatigue cracks - ANS ✔✔Give sharp, clear patters, generally uniform and unbroken throughout
their length.
Permeability - ANS ✔✔The ability of a material to accept and concentrate lines of magnetic flux.
Fluoroscopy - ANS ✔✔The technique that uses x-rays to obtain images of the interior of an
object
Borescope - ANS ✔✔An optical tool with which a visual inspection can be made inside a area
that is otherwise impossible to see.
Dwell time - ANS ✔✔The time required for a liquid penetrant to cure based on the size and
shape of the discontinuity.
Residual magnetism - ANS ✔✔Is the magnetization left behind in a ferromagnetic material after
an external magnetic field is removed
Longitudinal magnetization - ANS ✔✔Magnetization of a material or medium essentially in the
same direction as the material or medium is traveling
Heat treat cracks - ANS ✔✔The use of heating normally to extreme to achieve a desired result
such as hardening or softening of a material.
Continuous magnetism - ANS ✔✔A part be subjected to the magnetizing force when the testing
medium is applied.
Fatigue cracks - ANS ✔✔Give sharp, clear patters, generally uniform and unbroken throughout
their length.
Permeability - ANS ✔✔The ability of a material to accept and concentrate lines of magnetic flux.
Fluoroscopy - ANS ✔✔The technique that uses x-rays to obtain images of the interior of an
object
