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TableĀ 1 Crack parameters

From: Ultrasound Imaging of Pipeline Crack Based on Composite Transducer Array

No. Crack type Length (mm) Width (mm) Depth (mm)
1# Internal axial crack 10 1 3.6
2# External circumferential crack 10 0.5 6
3# Internal circumferential crack 10 1 3.6