Fraunhofer Institute for Machine Tools and Forming Technology
Steel-Aluminum-Sandwich
Steel-Aluminum-Sandwich
Calculation results of the centric loaded Steel- Aluminum-Sandwich with boundary conditions
Information
- Steel plate: S235 (St 37)
- Foam: aluminum basis
- Length x width: 1.500 mm x 1.000 mm
- Composite: metallic bond or glued joint
- Fields of application
Applications
- Automotive industry (car body knots, longitudinal beams)
- Engineering (fast moving devices, devices with high damping requirements)
- Building industry (light and bearing floor elements/ columns)
- Shipbuilding industry (hatches, doors)
- Aircraft industry (floor slabs)
Characteristics
Plate dimensions uncut:
1.500 x 1.000 x Sandwich thickness [mm³]
| Sandwichthickness [mm] |
15 | 20 | 25 | 25 | 30 | 30 |
| Steel sheet thickness s [mm] |
2 | 2 | 2 | 3 | 2 | 3 |
| Overallmass [kg] | 58,7 | 63,9 | 69,2 | 90,6 | 74,4 | 95,9 |
| Max. deflection due to own weight [mm] |
0,523 | 0,299 | 0,198 | 0,195 | 0,144 | 0,137 |
| Max. reference stress due to own weight [N/mm²] |
3,99 | 3,02 | 2,48 | 2,42 | 2,14 | 2,03 |
| Max. deflection [mm/1000N] | 1,447 | 0,759 | 0,466 | 0,349 | 0,314 | 0,233 |
| Max. reference stress [(N/mm²)/1.000 N] | 14,7 | 10,2 | 8,0 | 6,4 | 6,7 | 5,4 |
| Lightweight construction factor LCF=1/(mass*deflection) *1000 |
11,8 | 20,6 | 31,1 | 31,6 | 42,8 | 44,8 |