The probe orientation is changed in order to generate SV45, SV50, SV55, SV60 and SV65 waves.
The results are calibrated relatively to a Ø2 mm SDH of 48 mm length, inspected at 45°.
The discrepancy between experimental and simulated results is always between 1 and 3 dB: CIVA slightly overestimates corner echoes but the offset in amplitude is almost unchanged for all refraction angles.
B-scans have been stored for this case.
These figures show that, for the largest angles, the corner echo is not located at the bottom of the notch, we observe a shift of the corner echo maximum. This behavior is well predicted by CIVA and is explained here.
Back to Corner Echoes with SV mode
Back to Corner Echoes