This paper investigates the damage mechanisms of composite sandwich beams under low-velocity impact loading conditions. Two different Allulight closed-cell aluminium alloy foams (S7-brittle and M8-ductile) with different densities (between 350 and 950 kg/m~3) were used as core material, while aluminium and stainless-steel-mesh are the faces materials. In order to provide graphically useful information about the influence of design parameters on the failure behaviour of such composite materials, different core and face thickness were investigated. All experimental tests were performed at room temperature with a loading speed of 2 m/s using different bending span length.
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