Duration: 5 days
What will I learn?
This curriculum meets or exceeds the examination syllabus
for the certification of Level 2 personnel in Magnetic Particle
Inspection of Aerospace Materials and Components, in
accordance to EN 4179.
The course ends with the certification examination.
Objectives
Day 1 (Hours 1 to 4) THEORY, Chapter 1: Introduction
Advantages of magnetic particle testing, Significant
disadvantages of magnetic particle testing, Ferromagnetic
and non- ferromagnetic materials, Magnetic ‘Domain’
Theory, Properties of the magnet, magnetic field and flux
leakage.
Chapter 2: Magnetizing Ferromagnetic Materials
Magnetic flow, Current flow, Direct and alternating current,
Magnetic properties of materials, Formation of a Hysteresis
loop
Appendix B: Reference Literature: Standards and
Specifications
Appendix E: Glossary of Terms
Day 1 (Hours 5 to 8) PRACTICAL,
Hour 5 to 8 Instructor Demo, Use of magnetic particle bench
units – AC and Half Wave
DC Use of electromagnet – AC and DC modes Pre-use checks
– UV-A lights, ink
concentration, current flow and coil checks
HOMEWORK Chapters 1 & 2 issued
Day 2 (Hours 9 to 12) THEORY,
Review of Homework Chapters 1 & 2
Chapter 3: Methods of Magnetization
Circular magnetization – current flow and threader bar,
Longitudinal magnetization – coil Quick break technique,
Magnetic flow, induced current magnetization, Combined
electric current magnetization
Chapter 4: Assessing Amperage
Single phase alternating current, half wave and full wave
rectification MagAmps, three phase full wave rectification
Current flow, threader bar, coil Extenders, Magnetic flow
Prods, Meter
readings and current flow for various waveforms, Relative
depth of penetration, Methods
for assessing current
Day 2 (Hours 13 to 16) PRACTICAL,
Hours 13 to 16 Student Practice, Practical Exercises –
assessing amperage and inspection
(QRS 29)
HOMEWORK Chapters 3 & 4 issued
Day 3 (Hours 17 to 20) THEORY,
Review of Homework Chapters 3 & 4
Chapter 5: Detecting Media
Properties of magnetic particle materials, Dry powders
Magnetic Inks (wet) Preparation and use of inks, Particle
content and content checks, Standard test pieces,
Comparison and advantages of wet and dry methods
Comparison of water and petroleum/oil suspension
Magnetic rubber inspection
Chapter 6: Equipment Magnetisation using electrical
current DC surge
Coils and threader bars, Field and flux indicators
(penetrometers), Hall Effect and tangential field strength
meter (gauss meter) Particle contents testing kit Ketos ring,
Lighting and facilities, Black light (UV-A) - sources, generation,
hazards, fixtures and intensity requirements, Ambient light
restrictions, Visible light intensity measurement UV-A light
intensity measurement Black light intensity variables
Inspection conditions
Day 3 (Hours 21 to 24) PRACTICAL,
Hours 21 to 24 Student Practice, Practical Exercises –
assessing amperage and inspection Pre-use checks – UV-A
lights, ink concentration, current flow and coil checks (QRS 29)
HOMEWORK Chapters 5 & 6 issued
Day 4 (Hours 25 to 28) THEORY,
Review of Homework Chapters 5 & 6
Chapter7: Demagnetisation
Residual magnetization,Demagnetisation process,
Demagnetisationmethods Precautions
Chapter 8: Interpretation of Indications
Indications, Interpretation,Viewing conditions, Defect and
spuriousindications, Changesin permeability and magnetic
writing Confirmation of indications
Appendix A: Writing of Reports and Instructions
Day 4 (Hours 29 to 32) PRACTICAL,
Hours 29 to 32 Student Practice
APPENDIX A: Writing of Reports and Instructions
Practical Exercises(QRS 29)
HOMEWORK Chapters 7 & 8 issued
Day 5 (Hours 33 to 40) THEORY,
Review of Homework No. 4
Review of Writing of Reports and Instructions
Chapter 9: Practical Procedures
Inspection methods – continuous and residual Types of
particles, Surface preparation, degreasing and cleaning,
Initial demagnetization, Instruction application, Residual
magnetization,Inkingandmagnetization,Viewingandmarking
indications,Assessmentand
recording flaws, Demagnetisation, Cleaning and surface
protection
Appendix C: Comparison of Methods
Course Review Theory Review Practical Review
End of Course Examination
Debrief
Day 5 PRACTICAL
Hours as available Student Practice
Practical Exercises