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Magnetic particle testing


MPT is based on magnetic particles magnetism by magnetic stray flux which appear above the defects at magnetized object.

Detection of the defects is possible in case if they are on the surface, or they are shallow (not more than 2-3 min).

There are redistribution of magnetic strays and forming of magnetic stray flux in the areas of the defects.

Consequently, even very little cracks can be seen by settled particle with the naked eye.