Abstract
Rail vehicle structural bodyshell designs are usually welded fabrications of aluminium or steel, the plasticity of which dominates the energy absorption when structural collapse occurs during severe frontal impact. Composite materials have been shown to offer significant increases in energy absorption, when compared with metals during controlled collapse regimes. This experimental work confirms the advantages of such materials, at force and energy levels compatible with rail vehicle design constraints and identifies the influence of geometry on cylindrical energy absorbing modules manufactured from glass fibres and polyester resin.
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