Eddy Current Testing - Level II

1.0  Review of Electromagnetic Theory

2.0  Factors That Affect Coil Impedance

(Test part, Conductivity, Permeability, Mass, Homogeneity, Test system, Frequency, Coupling, Field strength, Test coil and shape, Hall elements)

3.0 Signal-to-Noise Ratio

4.0 Selection of Test Frequency

5.0 Coupling (Fill factor, Lift-off)

6.0 Field Strength and Its Selection

7.0 Instrument Design Considerations

(Single & Multi Frequency, Amplification, Phase detection, Differentiation of filtering)

8.0 Explanation of Standards and Specifications used in Eddy Current Testing.

9.0 Calibration and Acceptance Standard.

10.0 Practical Application & Training

• 10.1 Surface & Near Surface Flaw Detection
• 10.2 Plating & Coating
• 10.3. Cladding & Wall Thickness
• 10.4 Hardness & Heat Treatment
• 10.4 Tube Inspection