Magnetic Particle Testing (MPT), also known as Magnetic Particle Inspection, i.e. a nondestructive examination (NDE) technique used to detect surface and subsurface diecounitinuties in most ferromagnetic materials such as iron, nickel, and cobalt, and some of their alloys. Because it does not necessitate the degree of surface preparation required by other nondestructive test methods, conducting
magnetic particle test
Is part of ASME SECTION V ARTICLE 7
requires the magnetic particle visible method (color contrast) be evaluated with a minimum light intensity of 100 footcandles on the part surface
Advantages of the Magnetic Particle method of Non-Destructive Examination are: It is quick and relatively uncomplicated. It gives immediate indications of defects. It shows surface and near surface defects, and these are the most serious ones as they concentrate stresses.
Magnetic Particle Testing (MT), also referred to as Magnetic Particle Inspection (MPI), is widely performed in accordance with ASTM E1444/E1444M. The magnetic particle testing method is used to detect cracks, laps, seams, inclusions, and other discontinuities on or near the surface of ferromagnetic materials.
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