Visual Inspection (VT) is a technique that is typically the first step of the examination process. This method involves the visual observation of the surface of a test object to evaluate the presence of surface discontinuities.
Magnetic Particle Inspection (MPI or MT) is a sensitive non-destructive testing method used for the detection of surface and near surface flaws such as cracks and other discontinuities of ferromagnetic materials.
Liquid Penetrant Inspection (DPI or PT) is used to find surface breaking defects. PT inspection is suitable for a wide variety of materials, but it is mainly used on non-ferrous metals.
Ultrasonic Inspection (UT) is a non-destructive test method that uses high frequency sound waves to detect cracks, weld grooves, fractures and defects in parts and materials or the thickness of a material.
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