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Damping behaviour of polymeric materials subjected to longitudinal loads

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Abstract

The present paper reports on measurements of shear modulus and damping in a torsion pendulum on polymeric materials and paper. The experiments were carried out in a torsion device which permitted an axial load to be applied to the sample. At low loads, apparent changes in modulus and damping were recorded. At higher loads, under which marked creep occurred, the damping increased at the moment of loading and then decreased slowly, eventually approaching an equilibrium value. After release of the load, a transient decrease in damping was observed, the damping value of the origin sample being recovered after some time. During the creep and recovery processes, the modulus remained constant.

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Author notes

  1. O. Falk

    Present address: Industri AB Bröderna Larsson, Götene, Sweden

Authors and Affiliations

  1. Department of Polymeric Materials, Fack, Chalmers University of Technology, S-402 20, Göteborg, Sweden

    O. Falk, J. Kubát & M. Rigdahl

Authors
  1. O. Falk
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  2. J. Kubát
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  3. M. Rigdahl
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Falk, O., Kubát, J. & Rigdahl, M. Damping behaviour of polymeric materials subjected to longitudinal loads. J Mater Sci 13, 2328–2332 (1978). https://doi.org/10.1007/BF00808045

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  • DOI: https://doi.org/10.1007/BF00808045

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