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@ARTICLE{BarSinai:276160,
      author       = {Bar-Sinai, Yohai and Spatschek, Robert and Brener, Efim and
                      Bouchbinder, Eran},
      title        = {{V}elocity-strengthening friction significantly affects
                      interfacial dynamics, strength and dissipation},
      journal      = {Scientific reports},
      volume       = {5},
      issn         = {2045-2322},
      address      = {London},
      publisher    = {Nature Publishing Group},
      reportid     = {FZJ-2015-06633},
      pages        = {7841 -},
      year         = {2015},
      abstract     = {Frictional interfaces abound in natural and man-made
                      systems, yet their dynamics are not well-understood. Recent
                      extensive experimental data have revealed that
                      velocity-strengthening friction, where the steady-state
                      frictional resistance increases with sliding velocity over
                      some range, is a generic feature of such interfaces. This
                      physical behavior has very recently been linked to slow
                      stick-slip motion. Here we elucidate the importance of
                      velocity-strengthening friction by theoretically studying
                      three variants of a realistic friction model, all featuring
                      identical logarithmic velocity-weakening friction at small
                      sliding velocities, but differ in their higher velocity
                      behaviors. By quantifying energy partition (e.g. radiation
                      and dissipation), the selection of interfacial rupture
                      fronts and rupture arrest, we show that the presence or
                      absence of strengthening significantly affects the global
                      interfacial resistance and the energy release during
                      frictional instabilities. Furthermore, we show that
                      different forms of strengthening may result in events of
                      similar magnitude, yet with dramatically different
                      dissipation and radiation rates. This happens because the
                      events are mediated by rupture fronts with vastly different
                      propagation velocities, where stronger
                      velocity-strengthening friction promotes slower rupture.
                      These theoretical results may have significant implications
                      on our understanding of frictional dynamics.},
      cin          = {PGI-2},
      ddc          = {000},
      cid          = {I:(DE-Juel1)PGI-2-20110106},
      pnm          = {144 - Controlling Collective States (POF3-144)},
      pid          = {G:(DE-HGF)POF3-144},
      typ          = {PUB:(DE-HGF)16},
      UT           = {WOS:000347978300002},
      pubmed       = {pmid:25598161},
      doi          = {10.1038/srep07841},
      url          = {https://juser.fz-juelich.de/record/276160},
}