Study Guides

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 magnetic particle 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.

Download