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Eddy Current Testing
Eddycurrent Testing – Level 1
Eddy Current Testing
Level I Course Outline - 40 hours

This course prepares a candidate to Perform Surface Eddy Current Inspection and

Applicable Standards and Documents :
  • Perform Specific Calibrations
  • Specific NDT
  • Specific Evaluations for Accept or Reject Determinations according to written Instructions
  • Record Results
General Training
Electrical Parameters
  • Resistance
  • Inductance
  • Impedance
  • Faraday's Law
  • Lift Off Curve
Eddy Current Theory
  • Generation of Eddy Currents
  • Impedance changes by Eddy Currents
  • Effect of change of impedance on instrumentation
Impedance Curves
  • Conductivity Curve
  • Lenz's Law
  • Permeability
Types of Eddy Current Sensing Elements
  • Probes
  • Absolute
  • Differential
  • Lift-off
  • Theory of operation
  • Inspection of Non-Ferromagnetic Materials
  • Inspection of Ferromagnetic Materials
Special Probes
  • Lift Off Insensitive
  • Fastener Probes- Ring Probe
Calibration Standards
  • Conductivity Standards
  • EDM notch Surface Standards
  • Surface Inspection
  • Inspection of Airframes
  • Airframe Fastener Inspection
  • Turbine Blade Inspection
  • Inspection of Petrochemical Piping
  • Surface Weld Inspection
Specific Training
  • Surface ECT Procedure
  • ASME Section V
  • Practical Training
  • Setting up the Instrument
  • Selection of Frequency
  • Calibrations
  • Test on Various Samples
  • Prepare test Report
  • General
  • Specific
  • Practical Tests
Candidates must score a minimum of 70 % in each test and a minimum of 80% average for all the three tests.
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