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@ARTICLE{Carbone:48860,
      author       = {Carbone, G. and Persson, B. N. J.},
      title        = {{C}rack motion in viscoelastic solids: role of the flash
                      temperature},
      journal      = {The European physical journal / E},
      volume       = {17},
      issn         = {1292-8941},
      address      = {Berlin},
      publisher    = {Springer},
      reportid     = {PreJuSER-48860},
      pages        = {261},
      year         = {2005},
      note         = {Record converted from VDB: 12.11.2012},
      abstract     = {We present a simple theory of crack propagation in
                      viscoelastic solids. We calculate the energy per unit area,
                      G(v), to propagate a crack, as a function of the crack tip
                      velocity v. Our study includes the non-uniform temperature
                      distribution (flash temperature) in the vicinity of the
                      crack tip, which has a profound influence on G(v). At very
                      low crack tip velocities, the heat produced at the crack tip
                      can diffuse away, resulting in very small temperature
                      increase: in this "low-speed" regime the flash temperature
                      effect is unimportant. However, because of the low heat
                      conductivity of rubber-like materials, already at moderate
                      crack tip velocities a very large temperature increase (of
                      order of 1000 K) can occur close to the crack tip. We show
                      that this will drastically affect the viscoelastic energy
                      dissipation close to the crack tip, resulting in a
                      "hot-crack" propagation regime. The transition between the
                      low-speed regime and the hot-crack regime is very abrupt,
                      which may result in unstable crack motion, e.g. stick-slip
                      motion or catastrophic failure, as observed in some
                      experiments. In addition, the high crack tip temperature may
                      result in significant thermal decomposition within the
                      heated region, resulting in a liquid-like region in the
                      vicinity of the crack tip. This may explain the change in
                      surface morphology (from rough to smooth surfaces) which is
                      observed as the crack tip velocity is increased above the
                      instability threshold.},
      keywords     = {J (WoSType)},
      cin          = {IFF-TH-I},
      ddc          = {530},
      cid          = {I:(DE-Juel1)VDB30},
      pnm          = {Kondensierte Materie},
      pid          = {G:(DE-Juel1)FUEK242},
      shelfmark    = {Chemistry, Physical / Materials Science, Multidisciplinary
                      / Physics, Applied / Polymer Science},
      typ          = {PUB:(DE-HGF)16},
      pubmed       = {pmid:15997339},
      UT           = {WOS:000232026500002},
      doi          = {10.1140/epje/i2005-10013-y},
      url          = {https://juser.fz-juelich.de/record/48860},
}