Research Article
Pulsed Eddy Current Nondestructive Testing for Defect Evaluation and Imaging of Automotive Lightweight Alloy Materials
Table 3
Minimum peak amplitude of defects in two directions.
| | Scanning direction | Defect number | Defect 1 | Defect 2 | Defect 4 | Defect 5 |
| | direction | No defect (mV) | 4057.74 | | Min. amplitude (mV) | 3849.2 | 3636.1 | 3705.6 | 3663.1 | | Pct. change | −5.14% | −10.39% | −8.68% | −9.73% |
| | direction | No defect (mV) | 4043.544 | | Min. amplitude (mV) | 3645.9 | 3458.5 | 3499.3 | 3584.2 | | Pct. change | −9.83% | −14.47% | −13.46% | −11.36% |
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