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      Compressive quasi-static and dynamic piezoresistive behavior of carbon black and carbon nanotubes elastomer composites: Experimental study
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      Chapter

      Compressive quasi-static and dynamic piezoresistive behavior of carbon black and carbon nanotubes elastomer composites: Experimental study

      DOI link for Compressive quasi-static and dynamic piezoresistive behavior of carbon black and carbon nanotubes elastomer composites: Experimental study

      Compressive quasi-static and dynamic piezoresistive behavior of carbon black and carbon nanotubes elastomer composites: Experimental study book

      Compressive quasi-static and dynamic piezoresistive behavior of carbon black and carbon nanotubes elastomer composites: Experimental study

      DOI link for Compressive quasi-static and dynamic piezoresistive behavior of carbon black and carbon nanotubes elastomer composites: Experimental study

      Compressive quasi-static and dynamic piezoresistive behavior of carbon black and carbon nanotubes elastomer composites: Experimental study book

      ByN. Penvern*, A. Langlet, M. Gratton, N. Aït Hocine
      BookConstitutive Models for Rubber XI

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      Edition 1st Edition
      First Published 2019
      Imprint CRC Press
      Pages 5
      eBook ISBN 9780429324710
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      ABSTRACT

      The electrical properties of carbon nanotubes (CNT) elastomeric composites make them good candidates in a variety of applications, for example strain sensing and damage localization. In this work, static and dynamic piezoresistive behaviours of composites made of EPDM matrix, reinforced by a mix of carbon black (CB) and CNT were studied. The weight fraction (wt. %) of CNT was ranging from 0 to 5 %.The change of resistance during quasi-static tests is attributed to the reorientation and sliding of the CNT following the movement of the elastomer macromolecules. Samples with less CNT have a higher sensitivity. Dynamic tests were done using a split Hopkinson pressure bars apparatus (SHPB). An increase of the resistance is observed during dynamic compression. After dynamic compression, the resistance was thirty times higher and the stiffness 75 % lower. Scanning Electron Microscopy revealed that micro-cracks propagated in the direction of the impact loading inside the matrix.

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