Simulation Analysis of Eddy Current Testing Parameters for Surface and Subsurface Defect Detection of Aviation Aluminum Alloy Plate

Table 5

Simulation and analysis results of parameter setting.

Parameter		Value
Probe type		Absolute probe
Outer radius of coil ()		3.3 mm
Inner radius of coil ()
Excitation frequency	Surface defect	80~400 kHz
	Subsurface defect	60~90 kHz