Magnetic Flux Leakage Outline

Level III
ML - Magnetic Flux Leakage

Topical Outline

This examination is 2 hours in length, having 90 questions of equal value.

  1. Principles/Theory
    • Flux leakage theory
    • Förster and other theories
    • Finite element methods
    • DC flux leakage/AC flux leakage
  2. Equipment/Materials
    • Detectors
    • Coils
    • Factors affecting choice of sensing elements
    • Read out selection
    • Instrument design considerations
  3. Techniques/Standardization
    • Consideration affecting choice of test
    • Coupling
    • Field strength
    • Comparison of techniques
    • Standardization
    • Techniques – general
  4. Interpretation/Evaluation
    • Flaw detection
    • Process control
    • General interpretations
    • Defect characterization
  5. Standards
  6. Procedures

References

The number in parentheses following each reference is the ASNT catalog number.