Browsing Institutt for konstruksjonsteknikk by Author "Dahlen, Anfrid"

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    • Behavior of PVC and HDPE under highly triaxial stress states: An experimental and numerical study 

      Ognedal, Anne Serine; Clausen, Arild Holm; Dahlen, Anfrid; Hopperstad, Odd Sture (Journal article; Peer reviewed, 2014)
      This paper addresses the deformation of axisymmetric tensile bars, made of mineral-filled PVC and HDPE, with and without pre-machined notch. The purpose of the study is both to investigate the mechanical behavior under ...

    • Plastic deformation and fracture of polymer materials 

      Dahlen, Anfrid (Master thesis, 2011)
      Polymer materials are known to dilate during plastic deformation. This thesis is a study on some of the mechanisms behind the volume change and how it is affected by triaxiality in stress. The goal was to assess how the ...