Research Article
Damage Assessment of Low-Velocity Impacted Sandwich Composite Structures Using X-Ray Micro-Computed Tomography
Table 4
Impact energies and statuses of impacted specimens.
| Drop height (m) | Impact velocity (m/s) | Impact energy (J) | Remark on status |
| 0.02 | 0.9 | 2 | BVID | 0.03 | 1 | 3 | BVID of delamination | 1 | 2 | 11 | Top face sheet penetrated | 1.15 | 2.6 | 19 | Near full penetration | 1.2 | 2.8 | 22 | Full penetration |
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