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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
Read Chapter 1
Lesson 1 Quiz
Chapter 2: Effects of Discontinuities on Materials
Suface Vs Subsurface discontinuities (1:57)
Reading Assignment
Read Chapter 2
Lesson 2 Quiz
Review Flashcards
Interactive applet: Why you need to magnetize in two directions.
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
Interactive Reading for Magnetizing Techniques
Skin Effect
Skin Effect Reading
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)
Dry Magnetic Particles vs Wet Magnetic Particles
Magnetic Particles Dry & Wet- Interactive Reading
MT Show and Tell Part 1 (11:47)
MT Show and Tell Part 2 (13:44)
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?
Domain theory animation
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
AC to HWDC (Half-Wave Direct Current)
AC to FWDC (Full-Wave Direct Current)
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
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 discontinuities (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 (6:23)
What is Residual Magnetism? (2:32)
Five important terms
Continuous vs Residual method
Hysteresis Loop (video) (27:14)
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
Classify them as relevant or non-relevant indications
Practice Tests
MT Jeopardy
Practice Test Math
Practice Questions #1
Practice Questions #2
Practice Questions #3
Practice Questions #4
Practice Questions #5
Practice Questions #6
Practice Questions #7
Continuous vs Residual Magnetizing Techniques
Pratice Test #1
Explanations for Practice Test 1
Pratice Test #2
Explanations for Practice Test 2
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