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      Analysis of the sensitivity of viscoelastic parameters at the strain-rate of a thermoplastic

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      Viscoelastic ; Thermoplastic ; Strain-rate

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          Abstract

          The behavior of thermoplastics depends on several factors, mainly time and temperature. The present work is the a study of the dependence of these materials on time. The material considered in this study is a polyamide 6. The applied behavior model is represented by the Kelvin-Voigt viscoelastic mechanism. the mathematical formulation of the equations of the model is put in place and tensile tests at different strain rates are conducted. The parameters model are then identified. These being sensitive to the strain-rate, the relation which links them with it is established by means of an exponential regression. The results test-model are presented and dicussed.

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          Author and article information

          Journal
          ScienceOpen Posters
          ScienceOpen
          1 June 2019
          Affiliations
          [1 ] University of Jijel
          [2 ] University of Biskra
          Article
          10.14293/S2199-1006.1.SOR-.PPUWR6G.v2

          This work has been published open access under Creative Commons Attribution License CC BY 4.0 , which permits unrestricted use, distribution, and reproduction in any medium, provided the original work is properly cited. Conditions, terms of use and publishing policy can be found at www.scienceopen.com .

          Engineering, Materials science

          Viscoelastic ; Thermoplastic ; Strain-rate

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