1.Introduction Of NDT
2.Defination and Principles
2.1 Electricity
2.2 Magnetism
2.3 Magnetic Field Produced by Current
2.4 Electro Magnetic Induction Law
2.5 Factor Affecting Eddy Current
3.Instrumentation
3.1 Type of Probe and Size
3.2 Eddy Current Distribution Relative to Coil Position
3.3 Calibration
4.Application
4.1 Surface Testing
4.2 Tube Testing