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Chinese Journal of Mechanical Engineering
Figure 7 | Chinese Journal of Mechanical Engineering

Figure 7

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

Figure 7

The propagation of the THz wave in multilayered GFRP composites with three levels of delamination defects. The denominations of the top, middle, and bottom delamination defects used to describe the different delamination levels are based on the propagation direction of the THz waves when passing through the GFRP composite sample as illustrated in this figure

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