MAGNETIC PARTICLE TESTING

Magnetic Particle Testing – Level 1 & 2

This course provides detailed theoretical and practical information on all commonly encountered magnetic particle testing techniques. Candidates will have the opportunity to use different equipment on welds. This course is suitable for beginners and personnel with an existing NDT knowledge.

This course provides excellent preparation for level 1 and 2 examinations. It meets, in full, the training hour requirements as specifies in the ASNT.

Duration 4 Days

Study Guides, Study Guides and Practical

Provided

Certification

Candidate must pass the examinations to receive Level 1 & 2 certificates

Examination Papers

General Exam: Objective type closed book written exam address the basic principles of the applicable method. Specific Exam: Objective type open book written exam address the equipment, operating procedure, NDT technique, Codes and standards. Practical Exam: The Candidate should demonstrate familiarity with and ability to operate the necessary NDT equipment, record, and analyse the resultant information to the degree required.

Special Notes

This course is specifically designed for candidates wishing to become certificated as penetrant testing inspectors under the ASNT requirements.

Overall Course content

Properties of Magnetic fields
Principles of Magnetic Particle testing
Magnetic Particle Testing equipment
Equipment Calibration
Defect detection and Evaluation
Magnetic Particle Inspection Techniques
Relevant Codes and standards
Extensive hands-on practical element

Course Syllabus

Theory of Magnetic field
Earth’s magnetic field
Magnetic field around magnetized materials
Magnetic Poles
Law of Magnetism
Materials influenced by magnetic fields
Diamagnetic Materials
Paramagnetic Materials
Ferromagnetic Materials
Bar and Ring magnets
Effect of discontinuities of materials – Scratches, cracks & subsurface defects
Longitudinal Magnetic field
Circular magnetic Field
Vector magnetism
Field around a straight conductor
Right and Left hand rule
Irregularly shaped parts
Tubular parts
Parts containing machine holes, slots etc.,
Electromagnetic yoke
Prod method
Head shot method
Coil shot method
Central conductor method
Discontinuities commonly discovered by longitudinal field
Discontinuities commonly discovered by circular field
Advantages and Disadvantages of long. and circular magnetism
Field distribution
Type of magnetizing current
Direction of magnetizing field
Flux indicators
Value of flux density
Permeability and reluctance
Retentivity and Residual field
Coercive force
Saturation point
Hysteresis loop
Demagnetization
Wet particles
Dry particles
Settling Test
Lighting requirements of Visible and Fluorescent methods
Type of discontinuities detected by magnetic particle testing
MT indication and interpretation
Relevant and Non relevant indication
True indications
False indications
Linear and Rounded indications
Surface effects
Current calculation
Surface vs Subsurface indications
Depth penetration
Safety precautions
Ultraviolet radiation and Fluorescence
Discontinuities associated with manufacturing processes
Relevant codes and standards
Acceptance criteria
Reporting
Post cleaning.