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Ultrasonic Rayleigh wave enhancements from angled defects in aluminium

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Figure

FIGURE 1. Geometry of the defect, showing the variables used to calculate wave arrival times and the fixed generation point, scanned detection point
FIGURE 3. Amplitude enhancement factors as a function of angle for both modelled and experimental data, for SLD (left) and SLS (right)
FIGURE 4. FFT B-scans for defects of 40˚ (left), 90˚ (centre) and 140˚ (right) to the surface
FIGURE 5. Frequency enhancement factors as a function of angle for both modelled and experimental data, with SLD (a) and SLS (b)

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