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Table 4 Estimated in-depth locations of the different delamination defects in the GFRP composite sample

From: Terahertz Spectroscopic Characterization and Thickness Evaluation of Internal Delamination Defects in GFRP Composites

Sample

The position of the delamination defects (mm)

The top delamination

The middle delamination

The bottom delamination

1

0.188

0.531

1.081

2

0.197

0.567

1.118

3

0.214

0.785

1.301

4

0.245

0.822

1.315

5

0.168

0.512

1.217

  1. Note: These values are obtained by conducting a single measurement on each sample