This course prepares a candidate to conduct Eddy Current Inspection and
Eddy Current Testing (ET) - Level I
Introduction
- Perform specific calibrations
- Specific NDT
- Specific evaluations for Accept or Reject Determinations according to written Instructions
- Recording results
GENERAL KNOWLEDGE OF ET
- Electrical Parameters
- Resistance
- Inductance
- Impedance
Electromagnetism
- Faradays Law
- Lenzs Law
Eddy Current Theory
- Generation of Eddy Currents
- Impedance changes by Eddy Currents
- Effect of change of impedance on instrumentation
Impedance Curves
- Conductivity Curve
- Lift Off Curve
- Permeability
Materials
- 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
Level 1 Course Outline
MANUFACTURING DISCONTINUITIES
Meet the syllabus requirements for the BGAS-CSWIP Painting Inspector Examination .
Types of Discontinuities: Inherent, Processing and Service
Applications
- Inspection of Airframes
- Airframe Fastener Inspection
- Airframe Fastener Inspection
- Inspection of Petrochemical Piping
ET Level I Practical training
Setting up the ET instruments, selection of frequency, calibration of equipments, testing various test samples, recoding results, preparing test reports