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Magnetic Particle Inspection (MPI)

Trikon Technologies is a leading supplier of NDT products and offers a complete line of Magnetic Particle and Visible Dye and Fluorescent Penetrant Inspection materials including chemicals, accessories, equipment, process systems, as well as penetrant testing and equipment calibrations.

Magnetic particle inspection is used to locate discontinuities on or near the surface of ferromagnetic materials. A magnetic field is induced in the part to be examined. Discontinuities at or near the surface will cause the magnetic field to concentrate at any discontinuity. Fine magnetic particles are attracted to the magnetic field leakage over the discontinuities forming indications or mapping the discontinuities. Considerable theory, technical training, specialized equipment and trial and error is involved for effective magnetic particle inspection.