Abstract
Tensile tests have been performed on annealed (AN) and heat treated (HT) Duocel open cell aluminum foam (20 PPI) samples for relative densities ranging between 3 and 13%. The long axis of the cell was oriented longitudinal (LD) or transverse (TD) to the loading direction to observe the effect of the cell shape anisotropy on the tensile behavior. During the tensile tests the evolution of damage was monitored by measuring the electrical resistance. All changes in the tensile behavior between orientations, such as the flow stress, peak stress and peak strain, can be explained by both the cell shape anisotropy and the change in damage evolution.
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