Eddy Current Inspection

10 Day Course (80 hours)

Course Description

This 80 hour course covers analogue and phase analysis principles and the detection of surface and subsurface flaws, cracks and corrosion. It is fully supported by 50 per cent practical sessions and lectures on the latest developments.

Course Content

Aerospace product technology
Basic principles of eddy currents
Factors affecting eddy currents
Coils and probe design
Practical eddy currents
Electrical theory
Basic test set circuits
Phase analysis
Practical impedance plane analysis
The writing of reports and development of procedures
Modulation analysis
Bolt and fastener hole inspection using rotating probe equipment
Latest developments in eddy current technology

Learning Objectives

At the conclusion of this seminar the student should be able to:

  1. Describe the basic principles of the eddy current test method.
  2. List several applications of the eddy current test method.
  3. List the types of discontinuities detected with the eddy current test method.
  4. Describe the cause and effect of various types of discontinuities.
  5. Describe the operational steps in the eddy current test and understand the importance of each step following a written procedure.
  6. Interpret and evaluate the test results with respect to the applicable standards.
  7. Complete the required test reports, and prepare a clear and concise written instruction (Procedure).
  8. Locate defects in various aircraft materials, components and structures with a high probability of detection.
  9. Pass the end of course test.

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