Abstract
Sandwich panels made of thin and stiff skins, connected by a thick and soft core are widely used in load-bearing components mainly due to their high strength to weight ratio. To improve the reliability in using sandwich beams, it is necessary to understand their responses under external mechanical and environmental stimuli. This paper investigates the construction of steelpolyurethane- steel sandwich panels and their mechanical properties. Key properties of a sandwich structure are the adhesion between the skins and the sandwich material, and the load transfer from the outer skin to the inner skin. Lap shear specimens were selected to give an indication of the bond strength of the polyurethane to steel, whilst three point bend test specimens were selected to indicate the degree of load transfer between the skins and the bending resistance provided by the sandwich structure.
| Original language | English |
|---|---|
| Pages (from-to) | 401-405 |
| Number of pages | 5 |
| Journal | Materials Science Forum |
| Volume | 890 |
| DOIs | |
| Publication status | Published - 2017 |
| Externally published | Yes |
| Event | 5th International Conference on Material Science and Engineering Technology, ICMSET 2016 - Tokyo, Japan Duration: 29 Oct 2016 → 31 Oct 2016 |
Keywords
- Bonding
- Polyurethane
- Sandwich panel
- Soft core
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