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Journal of Sensors
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2022
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Article
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Tab 4
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Research Article
Simulation Analysis of Eddy Current Testing Parameters for Surface and Subsurface Defect Detection of Aviation Aluminum Alloy Plate
Table 4
Influence of excitation frequency on defect detection.
Frequency range (kHz)
Step (kHz)
Depth of defect (mm)
(mm)
(mm)
Surface defects
Subsurface defects
10~1000
10
1, 2, 3, and 4
1, 2, 3, and 4
3
1.5