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@ARTICLE{Hassager:21349,
      author       = {Hassager, O. and Mortensen, K. and Bach, A. and Almdal, K.
                      and Rasmussen, H.K. and Pyckhout-Hintzen, W.},
      title        = {{S}tress and neutron scattering measurements on linear
                      polymer melts undergoing steady elongational flow},
      journal      = {Rheologica acta},
      volume       = {51},
      issn         = {0035-4511},
      address      = {Berlin},
      publisher    = {Springer},
      reportid     = {PreJuSER-21349},
      pages        = {385 - 394},
      year         = {2012},
      note         = {We are grateful to the Danish Technical Research Council
                      for financial support to the Danish Polymer Centre, to the
                      Danish Natural Science Council for financial support in the
                      DANSCATT grant and to the Paul Scherrer Institut for use of
                      their neutron beam facility, and the SoftComp EU-Networks of
                      Excellence.},
      abstract     = {We use small-angle neutron scattering to measure the
                      molecular stretching in polystyrene melts undergoing steady
                      elongational flow at large stretch rates. The radius of
                      gyration of the central segment of a partly deuterated
                      polystyrene molecule is, in the stretching direction,
                      increasing with the steady stretch rate to a power of about
                      0.25. This value is about half of the exponent observed for
                      the increase in stress value sigma, in agreement with
                      Gaussian behavior. Thus, finite chain extensibility does not
                      seem to play an important role in the strongly non-linear
                      extensional stress behavior exhibited by the linear
                      polystyrene melt.},
      keywords     = {J (WoSType)},
      cin          = {ICS-1 / JCNS-1},
      ddc          = {530},
      cid          = {I:(DE-Juel1)ICS-1-20110106 / I:(DE-Juel1)JCNS-1-20110106},
      pnm          = {BioSoft: Makromolekulare Systeme und biologische
                      Informationsverarbeitung (FUEK505) / 544 - In-house Research
                      with PNI (POF2-544)},
      pid          = {G:(DE-Juel1)FUEK505 / G:(DE-HGF)POF2-544},
      shelfmark    = {Mechanics},
      typ          = {PUB:(DE-HGF)16},
      UT           = {WOS:000303482200001},
      doi          = {10.1007/s00397-012-0622-1},
      url          = {https://juser.fz-juelich.de/record/21349},
}