Investigations of a Closed-Cell Foam with Scanning Electron Microscopy
Foams belong to the most important class of packaging materials. They are part of a special group of heterogeneous materials that demonstrate nonlinear viscoelastic behaviour. When used as cushioning materials, their damping behaviour is a function of the static load. Microscopic investigations reveal that these nonlinearities observed on the macro scale are an attribute of special deformation processes of micromechanical dimensions.
KeywordsLocal Strain Load Level Foam Cell Packaging Material Heterogeneous Material
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