Abstract
The linear elastic behaviour of foams is primarily controlled by bending of cell walls. The mechanical performance of foams can be improved by increasing the bending stiffness of the cell walls. Recently, our group has developedmicrosandwich foams in which the cell walls are microsandwich elements. The improved bending stiffness of the walls resulting from the sandwich microstructure increases their performance indices. Here, we describe a finite element analysis of the Young's moduli and Poisson's ratio of microsandwich foams. We then use the analysis to perform a parametric study of the way in which the performance of the microsandwich foams depends on microstructural parameters. Finally we compare the results of the analysis with data for three microsandwich foams. The analysis describes the data well.
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