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@ARTICLE{Persson:201508,
      author       = {Persson, Bo and Ganser, Christian and Schmied, Franz and
                      Teichert, Christian and Schennach, Robert and Gilli, Eduard
                      and Hirn, Ulrich},
      title        = {{A}dhesion of cellulose fibers in paper},
      journal      = {Journal of physics / Condensed matter},
      volume       = {25},
      number       = {4},
      issn         = {1361-648X},
      address      = {Bristol},
      publisher    = {IOP Publ.},
      reportid     = {FZJ-2015-03803},
      pages        = {045002},
      year         = {2013},
      abstract     = {The surface topography of paper fibers is studied using
                      atomic force microscopy (AFM), and thus the surface
                      roughness power spectrum is obtained. Using AFM we have
                      performed indentation experiments and measured the effective
                      elastic modulus and the penetration hardness as a function
                      of humidity. The influence of water capillary adhesion on
                      the fiber?fiber binding strength is studied. Cellulose
                      fibers can absorb a significant amount of water, resulting
                      in swelling and a strong reduction in the elastic modulus
                      and the penetration hardness. This will lead to closer
                      contact between the fibers during the drying process (the
                      capillary bridges pull the fibers into closer contact
                      without storing up a lot of elastic energy at the contacting
                      interface). In order for the contact to remain good in the
                      dry state, plastic flow must occur (in the wet state) so
                      that the dry surface profiles conform to each other (forming
                      a key-and-lock type of contact).},
      cin          = {IAS-1 / PGI-1},
      ddc          = {530},
      cid          = {I:(DE-Juel1)IAS-1-20090406 / I:(DE-Juel1)PGI-1-20110106},
      pnm          = {424 - Exploratory materials and phenomena (POF2-424)},
      pid          = {G:(DE-HGF)POF2-424},
      typ          = {PUB:(DE-HGF)16},
      UT           = {WOS:000313101200003},
      doi          = {10.1088/0953-8984/25/4/045002},
      url          = {https://juser.fz-juelich.de/record/201508},
}