Table 2.
Dimensions, shrinkage rates and porosity of designed models, green bodies and sintered CaP ceramics with different structures
| Sample | Cube | Octet-truss | Inverse fcc | Foam | |
|---|---|---|---|---|---|
| Model geometric dimension (mm) | X/Y-axis | 9 | 9 | 9 | — |
| Z-axis | 3 | 3 | 3 | — | |
| Green body (mm) | X/Y-axis | 9.03 ± 0.06 | 8.97 ± 0.05 | 9.00 ± 0.05 | — |
| Z-axis | 3.01 ± 0.03 | 2.99 ± 0.02 | 3.01 ± 0.02 | — | |
| Ceramic (mm) | X/Y-axis | 6.28 ± 0.09 | 6.33 ± 0.11 | 6.31 ± 0.10 | — |
| Z-axis | 2.11 ± 0.07 | 2.04 ± 0.04 | 2.10 ± 0.05 | — | |
| Shrinkage rate (%) | X/Y-axis | 30.51 ± 1.36 | 29.46 ± 0.97 | 29.97 ± 1.43 | — |
| Z-axis | 30.10 ± 1.87 | 31.77 ± 1.57 | 28.01 ± 2.42 | — | |
| Porosity (%) | Models | 70 | 72 | 74 | — |
| Reality | 68.36 ± 1.89 | 70.27 ± 1.74 | 73.45 ± 1.67 | 74.83 ± 2.59 |