Eddy Current Testing
Introduction
- NDT and Eddy Current Testing
- Basic Principles of Eddy Current Inspection
- History of Eddy Current Testing
- Present State of Eddy Current Inspection
Instrumentation
- Eddy Current Instruments
- Resonant Circuits
- Bridges
- Complex Impedance Plane: Eddy Current Scope
- Analog Meter
Probe/Coil Design
Procedure Issues
Applications
- Surface Breaking Cracks
- Surface Crack Detection Using Sliding Probes
- Tube Inspection
- Conductivity Measurements
- Conductivity Measurements for the Verification of Heat Treatment
- Thickness Measurements of Thin Material
- Thickness Measurements of Nonconducting Coatings on Conductive Materials
Advanced Techniques
- Scanning
- Multiple Frequency Techniques
- Swept Frequency
- Pulsed Eddy Current Inspection
- Background on Pulsed Eddy Current
- Remote Field Sensing
Tables and Formulae
- Eddy Current Inspection Formulas
- Eddy Current Standards and Methods
- Electrical Conductivity and Resistivity for Aluminum and Aluminum Alloys
- Electrical Conductivity and Resistivity for Copper and Copper Alloys
- Electrical Conductivity and Resistivity for Iron and Iron-Based Alloys
- Electrical Conductivity and Resistivity for Magnesium and Magnesium Alloys
- Electrical Conductivity and Resistivity for Nickel and Nickel Alloys
- Electrical Conductivity and Resistivity for Titanium and Titanium Alloys
- Electrical Conductivity and Resistivity for Misc. Materials and Alloys
Quiz