MAGNETIC PARTICLE TESTING

MAGNETIC PARTICLE TESTING

  • MPI crack detection for using Head shot and Coil shot.
  • MPI available with visible wet particles and Fluorescent wet particles
  • Stationary Equipment unit with maximum current rating up to 6000Amperes meets the requirements of ASTM E709 and ASTM E1444
  • Raw material up to 300dia or 300 thick can be tested.
  • Raw material up to 12mtrs length can be tested without any cutting.
  • Portable Prod and Yoke Equipments up to 2000Amperes are used for testing of raw materials and welds in sites.

Basic Principles:

This NDT method is accomplished by inducing a magnetic field in a ferromagnetic material and then dusting the surface with iron particles (either dry or suspended in liquid). Surface and near-surface flaws produce magnetic poles or distort the magnetic field in such a way that the iron particles are attracted and concentrated. This produces a visible indication of defect on the surface of the material. The images below demonstrate a component before and after inspection using dry magnetic particles.