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  • Determination of relaxation moduli and Poisson's ratio in uniaxially loaded solid polyethylene foam specimens as part of full material characterization
    Weber, Herbert ; Wolf, Thomas ; Dünger, Udo
    The mechanical behavior of a solid polyethylene foam is characterized by a constitutive equation which is of second order in the linear strain tensor. It turns out that for the determination of the ... six time dependent material functions relaxation tests in tension/compression, torsion and, for instance, in isotropic tension and compression are necessary. For tension/compression tests the experimental procedure is described in detail. Main emphasis is given to the methods of optical deformation measurement techniques. Results for the relaxation moduli in tension/compression and for the Poisson's ratio are presented.
    Source: Mechanics of time-dependent materials : an international journal devoted to the time-dependent behaviour of materials and structures. - ISSN 1385-2000 (Vol. 1, no. 2, 1997, 195-208)
    Type of material - article, component part
    Publish date - 1997
    Language - english
    COBISS.SI-ID - 4036379

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