Specimen | Al grain size (µm) | Pore size (µm) | Pore shape | Surface Porosity (%) | Pore distribution |
Al 6061 (No wax) | 45 | 12 | Round | 3.5 | Uniform |
Al 6061 (1.5% wax) | 45 | 20 | Round | 10.3 | Uniform |
Al A380M | 25 | 31 | Irregular | 2.1 | Non-uniform |