| Specimen | Wax (%) | Al grain size (μm) | Poresize (μm) | Volume porosity (%) | Surface porosity (%) |
| Al 6061 | 0 | 45.6 | 12.0 | 6.5 | 3.5 |
| 1.5 | 46.1 | 20.0 | 13.8 | 10.3 | |
| 10.5 | 45.3 | 28.0 | 30.9 | 16.0 | |
| 14.5 | 45.7 | 33.0 | 41.7 | 20.7 | |
| Al-6%Si | Compaction Pressure | Al grain size (μm) | Pore size (μm) | Volume porosity (%) | Surface porosity (%) |
| 100 MPa | 89.2 | 82.4 | 15.67 | 6.7 | |
| 200 MPa | 99.6 | 70.2 | 10.50 | 4.2 | |
| 600 MPa | 84.2 | 46.9 | 5.52 | 2.3 | |
| Swaged | 34.8 | 8.4 | 0.98 | 1 |