Material values for sandwiches
| Unit | Steel (S235JR) | Aluminum (EN-AW 5754 [AIMg3]) | Aluminum foam sandwich (AAS) | Steel Aluminum foam sandwich (SAS) | Aluminium foam | |
|---|---|---|---|---|---|---|
| Description | No heat treatment | Sandwich: 10-1-1 Cover layer: AI Core: AI-foam | Sandwich: 10-1-1 Cover layer: S235JR Core: AI-foam | AISi10 | ||
| Density | g/cm3 | 7,85 | 2,7 | 0,3 - 0,9 (Core) 2,7 (Cover layer) | 7,00 (Core) 7,85 (Cover layer) | 0,5 - 0,9 |
| E-modulus | N/mm2 | 210.000 | 70.000 | 5.000 (Core) 70.000 (Cover layer) | 6.000 (Core) 210.000 (Cover layer) | 6.000* |
| Poisson ratio | 0,31 | 0,34 | 0,31 - 0,34 | 0,31 - 0,34 | 0,31 - 0,34 | |
| Compressive strength | N/mm2 | 4 - 8 (Core)* | 13 (Core)* | 4 - 13 * | ||
| Yield strength | N/mm2 | 235 | 100 | |||
| Tensile strength | N/mm2 | 340 | 180 | 120 - 200** | 235 (Cover layer)** | 4 - 6,3 ** |
| Bending stiffness | mm/1.000 N | 1,2 | 3,6 | 6,8 ** | 2,4** | 22 - 41 ** |
| Thermal conductivity | W/mK | 48 - 58 | 170 - 220 | 10 - 15 (Core)* 170 - 220 (Cover layer) | 25 (Core)* 48 - 58 (Cover layer) | 12 - 36* |
| Weight 1.000 x 1.000 x 10 mm3 | kg | 78,5 | 27 | 7,8 * | 21,3* | 5 - 9 * |
