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@ARTICLE{Braun:860454,
      author       = {Braun, O. M. and Steenwyk, B. and Warhadpande, A. and
                      Persson, Bo},
      title        = {{O}n the dependency of friction on load: {T}heory and
                      experiment},
      journal      = {epl},
      volume       = {113},
      number       = {5},
      issn         = {0295-5075},
      address      = {Les-Ulis},
      publisher    = {EDP Science65224},
      reportid     = {FZJ-2019-01208},
      pages        = {56002},
      year         = {2016},
      abstract     = {In rubber friction studies it is often observed that the
                      kinetic friction coefficient depends on the nominal contact
                      pressure. This is usually due to frictional heating, which
                      softens the rubber, increases the area of contact, and (in
                      most cases) reduces the viscoelastic contribution to the
                      friction. In this paper we present experimental results
                      showing that the rubber friction also depends on the nominal
                      contact pressure at such low sliding speed that frictional
                      heating is negligible. This effect has important
                      implications for rubber sliding dynamics, e.g., in the
                      context of the tire-road grip. We attribute this effect to
                      the viscoelastic coupling between the macroasperity contact
                      regions, and present a simple earthquakelike model and
                      numerical simulations supporting this picture. The mechanism
                      for the dependency of the friction coefficient on the load
                      considered is very general, and is relevant for non-rubber
                      materials as well.},
      cin          = {IAS-1 / PGI-1 / JARA-FIT / JARA-HPC},
      ddc          = {530},
      cid          = {I:(DE-Juel1)IAS-1-20090406 / I:(DE-Juel1)PGI-1-20110106 /
                      $I:(DE-82)080009_20140620$ / $I:(DE-82)080012_20140620$},
      pnm          = {141 - Controlling Electron Charge-Based Phenomena
                      (POF3-141)},
      pid          = {G:(DE-HGF)POF3-141},
      typ          = {PUB:(DE-HGF)16},
      UT           = {WOS:000374764000011},
      doi          = {10.1209/0295-5075/113/56002},
      url          = {https://juser.fz-juelich.de/record/860454},
}