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Magnetic Particle Testing Level II
Magnetic Particle Testing Level II
Scope
This course covers the principles of Magnetic Particle Testing and prepares a candidate to :
- Setup and calibrate equipment
- Interpret and Evaluate Results with respect to Applicable Codes, Standards and Specifications
- Familiar with the scope and limitations of the Methods
- Write test reports.
Training
Training Material is presented in Module that are followed by Quizzes
Examination
- General
- Specific
- Practical
Candidates must score a minimum of 70 % in each individual test and a minimum average of 80% in all three tests.
General Training
General Training
Module 1 : Introduction
- Theory of Magnetization
- Magnetic field, Lines of force, Flux density, Leakage flux, Vector
- Diamagnetic, Paramagnetic and Ferromagnetic Materials
- Fleming`s Right Hand and Left Hand Rule
- Definitions of Permeability, Reluctance, Retentivity, Residual Magnetism and Coercive Force
Module 2 : Technique
- Types of Magnetic Fields: Circular, Longitudinal
- Circular field: Head Shot (Direct Contact), Prods and Central Conductor Techniques,
- Advantages and Disadvantages of Circular Field
- Longitudinal Field: Coils and Yoke
- Advantages and Disadvantages of Longitudinal Field
Module 3 : Current Type & Hysteresis loop
- Magnetization of Electric Current
- Types of current AC, HWDC
- Hysteresis Curve
Module 4 : Field Distribution of Central Conductor
- AC and DC Field Distribution in a Magnetic and a Nonmagnetic Conductor
- Solid and Hollow Distribution in a Magnetic and a Nonmagnetic Conductor
Module 5 : Current Requirements
- Circular Magnetization Current Requirements
- Longitudinal Magnetization Current Requirements
- Demagnetization
Module 6 : Testing Equipment
- Equipment consideration
- Wet Horizontal, Mobile and Portable Equipments
- Methods of Application : Dry and Wet Method
- Safety Precautions
- Properties of particles
- Particle Magnetic Mobility : Dry and Wet Method
- Visibility of particles : Dry, Wet and Flourecent Method
- Settling Test Procedure
Module 7 : Magnetic Particle Applications
- Residual and Continuous Method
- Magnetic Particle Inspection of Solid Cylindrical Parts, Gears, Multiple diameter
- Articles, Discs, Hollow Cylindrical Articles
- Selection of proper method of magnetization
- Verification of magnetic fields : Checking the adequacy of field using the Pie gauge, shims
- Magnetic Rubber Inspection
Module 8 : Types of Discontinuities and Indications
- Types of Discontinuities: Inherent, Processing and Service
- Casting Discontinuities: Hot Tear, Cold Shut, Porosity, Shrinkage
- Primary Processing Discontinuities including discontinuities in Rolling, Forging, Drawing, Extruding
- Secondary Processing Discontinuities including discontinuities in Grinding, Heat
- Treating, Machining, Welding, Plating
- Service Discontinuities: Erosion, Wear, Fatigue, Corrosion, Creep, Hydrogen Attack
- Interpretation including Relevant, False, Non-relevant indications
Module 9 : Training, Certification, and Qualification
- ASNT SNT-TC-1A
- Written Practice
- Certification of NDT personnel
Specific Training
Specific Training
Code
- ASME BPV Code Section V Article 7
> T-7 10 Scope
> T-7 20 General
> T-7 30 Equipment
> T-7 40 Miscellaneous Requirements
> T-7 50 Technique
> T-7 60 Calibration
> T-7 70 Examination
> T-7 80 Evaluation
> T-7 90 Documentation
- ASME BPV Code Section VIII (Accept/Reject Criteria)
- ASME B 31.1 – Power Piping
Standard
- ASTM E-709
- ASTM E-1444
Other codes and standards can be discussed if pre arranged with the instructor at the time
of registration
Procedure
- Qualification Procedure (QP-02)
Practical Training
Practical Training
- MT Yoke : Wet Visible, Dry Visible, Longitudinal
- Training on Weld defect samples (Flaw Tech sample kits)
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