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Magnetic Particle Testing (Level I & II)
Recommended
Training for ASNT Magnetic Particle Testing Level II
Magnetic Particle Testing
Training Course
1.0
Principles
1.1
Theory
1.1.1
Flux patterns
1.1.2
Frequency and voltage factor
1.1.3
Current calculations
1.1.4
Surface flux strength
1.1.5
Subsurface effects
1.2
Magnets and magnetism
1.2.1
Distance factors versus strength of flux
1.2.2
Internal and external flux patterns
1.2.3
Phenomenon action at the discontinuity
1.2.4
Heat effects on magnetism
1.2.5
Material hardness versus magnetic retention
2.0
Flux field
2.1
Direct current
2.1.1
Depth of penetration
2.1.2
Source of current
2.2
Direct pulsating current
2.2.1
Similarity to direct current
2.2.2
Advantages
2.2.3
Typical fields
2.3
Alternating Current
2.3.1
Cyclic effects
2.3.2
Surface strength characteristics
2.3.3
Safety precautions
2.3.4
Voltage and current
2.3.5
Source of current
3.0
Effects of discontinuities on Material
3.1
Design effects
3.1.1
Mechanical properties
3.1.2
Part use
3.2
Relationship to load carrying ability
4.0
Magnetism by Means of Electric Current
4.1
Circular technique
4.1.1
Current calculations
4.1.2
Depth factor consideration
4.1.3
Precautions B safety and overheating
4.1.4
Contact prods and yokes
4.1.4.1
Requirements for prods and yokes
4.1.4.2
Current carrying capacity
4.1.5
Discontinuity commonly detected
4.2
Longitudinal technique
4.2.1
Principles of induced flux fields
4.2.2
Geometry of part to be inspected
4.2.3
Shapes and size of coils
4.2.4
Use of coils and cables
4.2.4.1
Strength of field
4.2.4.2
Current directional flow versus flux field
4.2.4.3
Shapes, sizes and current capacities
4.2.5
Current calculations
4.2.5.1
Formulas
4.2.5.2
Types of current required
4.2.5.3
Current demand
4.2.6
Discontinuity commonly detected
5.0
Selecting the proper method of Magnetization
5.1
Alloy shape arid condition of part
5.2
Type of magnetizing current
5.3
Direction of magnetic field
5.4
Sequence of operations
5.5
Value of flux density
6.0
Demagnetization Procedure
6.1
Need for demagnetization of parts
6.2
Current ,frequency and field orientation
6.3
Heat factors and precautions
6.4
Need for collapsing fields
7.0
Equipment
7.1
Portable type
7.1.1
Reason for portable equipment
7.1.2
Capabilities of portable equipment
7.1.3
Similarity to stationary equipment
7.2
Stationary type
7.2.1
Capabilities of handling large and heavy parts
7.2.2
Flexibility in use
7.2.3
Need for collapsing fields
7.2.4
Use of accessories and attachments
7.3
Automatic type
7.3.1
Requirements for automation
7.3.2
Sequential operation
7.3.3
Control of operation factors
7.3.4
Alarm and rejection mechanism
7.4
Liquids and power
7.4.1
Liquid requirements as a particle
7.4.2
Safety precautions
7.4.3
Temperature needs
7.4.4
Power and paste contents
7.4.5
Mixing procedure
7.4.6
Need for accurate proportions
7.5
Black light type
7.5.1
Black light and fluorescence
7.5.2
Visible light and black light comparison
7.5.3
Requirements in testing cycle
7.5.4
Technique in use
7.6
Light-sensitive instrument
7.6.1
Need of instrumentation
7.6.2
Light characteristics
8.0
Types of discontinuities
8.1
In casting
8.2
In ingots
8.3
In wrought sections and part
8.4
In welds
9.0
Evaluation techniques
9.1
Use of standards
9.1.1
Need for standards and references
9.1.2
Comparison of known with unknown
9.1.3
Specification and certifications
9.1.4
Comparison techniques
9.2
Defect appraisal
9.2.1
History of part
9.2.2
Manufacturing process
9.2.3
Possible cause of defect
9.2.4
Use of part
9.2.5
Acceptance and rejection criteria
9.2.6
Use of tolerances
10.0
Quality Control of Equipment and process
10.1
Malfunctioning of equipment
10.2
Proper magnetic particles and bath liquid
10.3
Bath concentration
10.3.1
Settling lest
10.3.2
Other bath strength tests
10.4
Test for black light intensity | 
