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Magnetic Particle Inspection (MT)

This method involves the component under inspection being magnetized; this magnetization process is supplemented by the application of ferromagnetic particles to the already magnetized surface. The magnetic particles are attracted to areas of flux leakage (escaping magnetism) and indications formed at that point. This method is used to test welds, castings, and forgings for surface or slightly subsurface defects.

However MT can only be used to inspect materials that can be magnetized, i.e. ferromagnetic materials.

We can provide Magnetic Particle Training courses and examinations suitable for any of the following certification scheme.

SNT-TC-1A in accordance with your/our company written practice.

We can also provide

• Preparation training for ASNT Level 3

An example of the syllabus that is used for magnetic particle training courses is shown below for Level 1. DECIBEL can tailor make the syllabus to satisfy the requirements of an individual’s company specific written practice if requested.

Level 1
General Theory	Specific Theory	Practical Examination
Safety Precautions Basic Principles of Magnetic Particle Inspection Methods of Magnetization Inspection and Detection of Indications Checks and Calibrations Equipment Test Procedures Detectability of Defects Standards and Specifications	Application of the Method and use of Codes, Specifications and Procedures, applicable to the company, including the relevant control checks.	Follow written instructions and process the inspection test pieces, record and report defects from know datum markers, carry out pre-test calibration checks, post-test procedures.

• SNT-TC-1A in accordance with your/our company written practice

We can also provide

• Preparation training for ASNT Level 3

An example of the syllabus that is used for Liquid Penetrant training courses is shown below for Level 1 and 2. DECIBEL can tailor make the syllabus to satisfy the requirements of an individual’s company specific written practice if requested.