Prediction of dynamic properties of plastic foams from constant–strain rate measurements

Authors

  • Ori Ramon,

    1. Packaging Laboratory, Department of Food Engineering and Biotechnology Technion, Israel Institute of Technology, Haifa, 32000 Israel
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  • Joseph Miltz

    Corresponding author
    1. Packaging Laboratory, Department of Food Engineering and Biotechnology Technion, Israel Institute of Technology, Haifa, 32000 Israel
    • Packaging Laboratory, Department of Food Engineering and Biotechnology Technion, Israel Institute of Technology, Haifa, 32000 Israel
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Abstract

This study demonstrated how cushioning curves can be predicted from constant-strain rate measurements and a limited number of stress-relaxation or drop experiments. For rate-independent foams, only one stress-strain curve and the proposed dynamic model are required. For rate-dependent foams, however, a computer and appropriate software are also needed to predict accurately cushioning curves.

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