Energy Absorption Characteristics of a Foam-Cored Sandwich Panel with Fibre-Reinforced Plastic Inserts
This paper describes an experimental investigation into the energy absorption properties of a foam-cored sandwich panel with integral fibre-reinforced plastic tubes and frusta. The panels were tested under both quasi-static flatwise and edgewise compression. Under flatwise compression, it was found that the panels with inserts which failed by stable progressive brittle fracture exhibited the best energy absorption characteristics. Under edgewise compression, the panels with inserts which prevented separation of the face plates offered the most predictable and repeatable performance. Particular insert geometries which achieve these ideals are identified.
KeywordsSandwich Panel Uniform Response Face Plate Specific Energy Absorption Resin Transfer Moulding
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- 4.Richardson, M.O.W., Robinson, A.M., Eichler, K. and Moura Branco, C.: Mechanical behaviour of a new stress dissipating composite sandwich structure, Cellular Polymers 13 (1994), 305–317.Google Scholar
- 5.Mamalis, A.G., Manolakos, D.E., Viegelahn, G.L., Sin Min Yap and Demosthenous, G.A.: On the axial crumpling of fibre-reinforced thin-walled conical shells, International Journal of Vehicle Design 12 (1991), 450–467.Google Scholar