This method is used for the detection of surface and near-surface flaws in ferromagnetic materials and is primarily used for crack detection. The specimen is magnetized either locally or overall, and if the material is sound the magnetic flux is predominantly inside the material. If, however, there is a surface-breaking flaw, the magnetic field is distorted, causing local magnetic flux leakage around the flaw.

Course Timeline:
Techniques in MPT
Post Cleaning
Laws Of Electromagnetism
Demagnetizaton
Reporting
Lighting Condition
Interpretation
Magnetization of Part 2
Magnetization of MPT
Surface Preparation of MPT
Procedure of MPT
Magnetic Particles
Calibration of MPT
Equipments of MPT
Working Principle Of MPT
B-H Curve Hysterisis Loop
Types of Magnetic Materials
Magnetic Properties Part 2
Magnetic Properties Part 1
History of MPT
INTRODUCTION TO MPT ( MAGNETIC PARTICLE TEST) i) About MPT ii) Definition of MPT iii) Advantages and Disadvantages of MPT
Defects

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