Table 1.
Mechanical properties and energy absorption of uniform and graded gyroid-based cellular structures under compressive testing.
| Properties | Strut- Gyroid-U |
Sheet- Gyroid-U |
Strut- Gyroid-G1 |
Sheet- Gyroid-G1 |
Strut- Gyroid-G2 |
Sheet- Gyroid-G2 |
|---|---|---|---|---|---|---|
| EH (MPa) | 40.56 | 63.67 | — | — | — | — |
| EL (MPa) | 39.21 ± 0.23 | 62.51 ± 0.44 | 28.25 ± 0.31 | 36.67 ± 0.18 | 23.96 ± 0.16 | 32.21 ± 0.31 |
| E* (10−3) | 46.12 ± 0.02 | 73.54 ± 0.02 | 33.23 ± 0.05 | 43.14 ± 0.03 | 28.18 ± 0.01 | 37.89 ± 0.03 |
| σL (MPa) | 2.92 ± 0.08 | 3.89 ± 0.12 | 1.98 ± 0.04 | 2.46 ± 0.16 | 0.69 ± 0.02 | 0.87 ± 0.05 |
| σ* (10−3) | 22.12 ± 0.02 | 29.46 ± 0.11 | 15.00 ± 0.12 | 18.63 ± 0.09 | 5.23 ± 0.10 | 6.59 ± 0.06 |
| εD (%) | 62.3 ± 0.12 | 66.4 ± 0.01 | 68.5 ± 0.06 | 69.8 ± 0.13 | 70.1 ± 0.02 | 72.2 ± 0.03 |
| Wv (KJ/m3) | 1734 ± 4 | 2276 ± 2 | 2116 ± 6 | 2623 ± 1 | 2341 ± 5 | 2781 ± 4 |