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4. Magnetic particle Inspection (MPI)

Magnetic particle Inspection (MPI) is a non-destructive testing (NDT) process for detecting surface and shallow subsurface discontinuities in ferromagnetic materials such as iron, nickel, cobalt, and some of their alloys. Test part can be magnetized by direct or indirect magnetization. Direct magnetization occurs when the electric current is passed through the test object and a magnetic field is formed in the material. Indirect magnetization occurs when no electric current is passed through the test object, but a magnetic field is applied from an outside source.

The magnetic lines of force are perpendicular to the direction of the electric current, which may be either alternating current (AC) or some form of direct current (DC) (rectified AC). The presence of a surface or subsurface discontinuity in the material allows the magnetic flux to leak, since air cannot support as much magnetic field per unit volume as metals. To identify a leak, ferrous particles, either dry or in a wet suspension, are applied to a part.

These are attracted to an area of flux leakage and form what is known as an indication, which is evaluated to determine its nature, cause, and course of action.

PCN Level 1 & 2

This course is designed to provide the participants, a better understanding about theory and application of MPI in welds, to train them and qualify them as PCN Level I or II in Magnetic Particle Testing.

PCN Level 3

This guidance course is aimed at the PCN Level 3 requirements for Magnetic Testing practitioners. The main objective of the course is to make candidates fully aware of the scope of the examination and level of knowledge required. It will also enable candidates to identify their weak subject areas. Advice will be given on any further tuition required.

Training Hours

Level 1	Level 2	Level 3
16 Hrs	24 Hrs	32 Hrs
Direct access to Level 2 requires the total hours shown in table for Levels 1 and 2

Experience

Level 1

Level 2

Level 3

1 months

3 months

24 months

Note-1: For Level 2 certification, the intent is that work experience consists of time as a Level 1. If the individual is being qualified directly to Level 2, with no time at Level 1, the experience shall consist of the sum of the times required for Level 1 and Level 2. No reduction in the period of experience shall be allowed

Note-2: Industrial NDT experience in the appropriate sector may be acquired either prior to or following success in the qualification examination.

• PSL 57-A Initial Examination application
• PSL 30- Log of Experience
• PSL 44-Vision Requirements (which has to be certified by a registered medical practitioner)
• CP-27 code of ethics
• PCN ID (wallet or e-certificate) -only for existing PCN certificate holders
• PCN UT level I/II Certificate copy
• One govt approved identity card (example: Passport/voter ID /Aadhaar Card)

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