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@ARTICLE{BarSinai:173406,
      author       = {Bar-Sinai, Yohai and Spatschek, Robert and Brener, Efim and
                      Bouchbinder, Eran},
      title        = {{O}n the velocity-strengthening behavior of dry friction},
      journal      = {Journal of geophysical research / Solid earth},
      volume       = {119},
      number       = {3},
      issn         = {2169-9313},
      address      = {Hoboken, NJ},
      publisher    = {Wiley},
      reportid     = {FZJ-2014-06816},
      pages        = {1738 - 1748},
      year         = {2014},
      abstract     = {The onset of frictional instabilities, e.g., earthquakes
                      nucleation, is intimately related to velocity-weakening
                      friction, in which the frictional resistance of interfaces
                      decreases with increasing slip velocity. While this
                      frictional response has been studied extensively, less
                      attention has been given to steady state
                      velocity-strengthening friction, in spite of its potential
                      importance for various aspects of frictional phenomena such
                      as the propagation speed of interfacial rupture fronts and
                      the amount of stored energy released by them. In this note
                      we suggest that a crossover from steady state
                      velocity-weakening friction at small slip velocities to
                      steady state velocity-strengthening friction at higher
                      velocities might be a generic feature of dry friction. We
                      further argue that while thermally activated rheology
                      naturally gives rise to logarithmic steady state
                      velocity-strengthening friction, a crossover to
                      stronger-than-logarithmic strengthening might take place at
                      higher slip velocities, possibly accompanied by a change in
                      the dominant dissipation mechanism. We sketch a few physical
                      mechanisms that may account for the crossover to
                      stronger-than-logarithmic steady state velocity
                      strengthening and compile a rather extensive set of
                      experimental data available in the literature, lending
                      support to these ideas.},
      cin          = {PGI-2},
      ddc          = {550},
      cid          = {I:(DE-Juel1)PGI-2-20110106},
      pnm          = {424 - Exploratory materials and phenomena (POF2-424)},
      pid          = {G:(DE-HGF)POF2-424},
      typ          = {PUB:(DE-HGF)16},
      UT           = {WOS:000336844700012},
      doi          = {10.1002/2013JB010586},
      url          = {https://juser.fz-juelich.de/record/173406},
}