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Dynamic material properties of a closed-cell polyethylene foam

: Weber, H.; Geißler, A.

Institute of Environmental Sciences -IES-, Mt. Prospect/Ill.:
A Glimpse into the 21st Century. Proceedings : 36th Annual Technical Meeting of the Institute of Environmental Sciences
Mt.Prospect/Ill., 1990
Institute of Environmental Sciences (Annual Technical Meeting) <36, 1990, New Orleans/La.>
Conference Paper
Fraunhofer ICT ()
closed-cell foam; container; cushioning material; deformation vibration; dynamic behaviour; elastic modulus; packaging material; polyethylene; shear modulus; stress; transportation

With today's high standards of technology, transportation stresses can be almost completely described so that certain conclusions for the packaging container can be drawn. But an optimized, cost-efficient container is only possible, if the material behaviour and the environment of the packaging material used are known /1/. Foams belong to the most important class of packaging materials. Their dynamic behaviour is usually qualified by empirical property-values which are not suitable for the construction of packing containers, but present only approximate values. In the context of this paper, it is shown how dynamic mechanical behaviour of a closed-cell foam can be experimentally determined. The obtained results are explained and discussed.