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Magnetic Particle Testing
Welcome
Welcome
Chapter 1: Principles of Magnetic Particle Testing
How does Magnetic Particle Testing technique detect indications? (4:07)
How does Magnetic Particle Testing work?
Visualizing Circular Magnetic Field
How does Earth's Magnetic Field work?
Ferromagnetic, Paramagnetic and diamagnetic materials (3:06)
Diamagnetic, Paramagnetic, Ferromagnetic and Non-Ferromagnetic Analogies
Paramagnetic and Diamagnetic Practical Demonstration
Properties of the magnetic field lines (2:25)
Three levels of certification
Training and Experience requirements
Qualification vs Certification
Reading Assignment
Lesson 1 Quiz
Read Chapter 1
Chapter 2: Effects of Discontinuities on Materials
Suface Vs Subsurface discontinuities (1:57)
Reading Assignment
Read Chapter 2
Lesson 2 Quiz
Chapter 3: Magnetization
What to expect in this section?
What is a Yoke? (1:37)
Yoke practical demonstration
Dry Powder MT Pratical Demonstration
Wet Visible MT practical demonstration.
Wet Fluorescent MT practical demonstration
Prods Technique Practical Demonstration (2:44)
Prods Technique (3:59)
Headshot & Coil Technique Practical Video (6:55)
Headshot Technique 1-pager
Headshot Technique (2:46)
Coil Technique 1-pager
Coil Technique (4:33)
Central Condutor Technique (3:29)
Take A Break
Direct vs Indirect Magnetization (5:33)
Practical Demonstration of Cable Wrap, Prods, and Central Conductor Technique (3:37)
Right-Hand Rule for Magnetism (2:56)
Skin Effect
Dry Magnetic Particles vs Wet Magnetic Particles
Reading Assignment
Read Chapter 3
Lesson 3 Quiz
Recap
Recap-How does Magnetic Particle Testing technique detect indications? (4:07)
Recap-How does Magnetic Particle Testing work?
Recap-Ferromagnetic, Paramagnetic and diamagnetic materials (3:06)
Recap-Properties of the magnetic field lines (2:25)
Recap-What is a Yoke? (1:37)
Recap-Prods Technique (3:59)
Recap-Coil Technique (4:33)
Recap-Headshot Technique (2:46)
Recap-Central Condutor Technique (3:29)
Recap-Direct vs Indirect Magnetization (5:33)
Chapter 4 & 11: Principles of Demagnetization
What to expect in this section?
Why Demagnetize?
Demagnetization and its significance (10:11)
Types of Demagnetizations (13:30)
Demagnetization technique (Practical Demonstration) (6:36)
Curie Point Demagnetization Practical Demonstration
Residual Magnetism Limits
Reading Assignment
Advanced Principles of Demagnetization (Reading Assignment)
Read Chapter 4
Read Chapter 11
Important Points
Review
Lesson 4 Quiz
Quiz on Advanced Principles of Demagnetization.
Chapter 5: MT Equipment
What to expect in this section?
Portable, Mobile and Stationary Equipment (2:11)
Desired Properties for Mag Powder (4:32)
Reading Assignment
Review
Read Chapter 5
Lesson 5 Quiz
Lesson 6: Discontinuities
3 stages of discontinuity (2:04)
Three stages of defects (one more time) (10:12)
Reading Assignment
Review
Finding discontinuities in weld using Yoke
Lesson 6 Quiz
Lesson 7 & 8: Magnetic Principles and Flux Fields
Flux lines and Flux Density (2:12)
Difference between AC and DC Current
AC vs DC Magnetization (6:22)
What is Residual Magnetism? (2:32)
Five important terms
Continuous vs Residual method
What is a Hysteresis Loop?
Pie Gage (2:58)
Pie Gauge Practical Demonstration (0:20)
Math Problems on Ampere-Turns (17:01)
Magnetic Writing
Effect of Magnetism on watch (0:12)
Review
Reading Assignment I
Lesson 7 Quiz
Read Chapter 7
Reading Assignment II
Read Chapter 8
Lesson 8 Quiz
Additional Quizzes
How Magnetic Particle Inspection Works
Read Chapter 9
Magnetic Particles and Methods of Application
Quiz 9
Read Chapter 10
Magnetization by means of Electric Current
Quiz 10
Relevant vs Non-Relevant Discontinuities
Quality Control
Quality Control
System Performance Tools for Magnetic Particle Inspection
More about QQIs
How to Do Preventative Maintenance for Magnetic Particle Equipment
System Performance Checks for High Volume NDT Inspections
Practice Tests
Pratice Test #1
Explanations for Practice Test 1
Pratice Test #2
Explanations for Practice Test 2
MT Jeopardy
Practice Test Math
Congratulations!
Practice Questions #1
Practice Questions #2
Practice Questions #3
Practice Questions #4
Practice Questions #5
Practice Questions #6
Practice Questions #7
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Demagnetization and its significance
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