Welding materials are tested to evaluate their properties, examine for discontinuities, and ensure the project ... includes lessons on non-destructive testing methods such as visual inspection, ...

“It’s Verification and Inspection System Optimized for Nondestructive ... During the tapping of the blade, the technician listens for discontinuities in audible sounds produced as the hammer ...

Magnetic particle inspection, which can detect surface and slightly subsurface discontinuities in ferromagnetic materials; and Eddy current testing, which uses electromagnetic induction to detect ...