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@ARTICLE{Hter:173392,
      author       = {Hüter, C. and Twiste, F. and Brener, Efim and Neugebauer,
                      J. and Spatschek, R.},
      title        = {{I}nfluence of short-range forces on melting along grain
                      boundaries},
      journal      = {Physical review / B},
      volume       = {89},
      number       = {22},
      issn         = {1098-0121},
      address      = {College Park, Md.},
      publisher    = {APS},
      reportid     = {FZJ-2014-06802},
      pages        = {224104},
      year         = {2014},
      abstract     = {We investigate a model which couples diffusional melting
                      and nanoscale structural forces via a combined
                      nano-mesoscale description. Specifically, we obtain analytic
                      and numerical solutions for melting processes at grain
                      boundaries influenced by structural disjoining forces in the
                      experimentally relevant regime of small deviations from the
                      melting temperature. Though spatially limited to the close
                      vicinity of the tip of the propagating melt finger, the
                      influence of the disjoining forces is remarkable and leads
                      to a strong modification of the penetration velocity. The
                      problem is represented in terms of a sharp interface model
                      to capture the wide range of relevant length scales,
                      predicting the growth velocity and the length scale
                      describing the pattern, depending on temperature, grain
                      boundary energy, strength, and length scale of the
                      exponential decay of the disjoining potential. Close to
                      equilibrium the short-range effects near the triple
                      junctions can be expressed through a contact angle
                      renormalization in a mesoscale formulation. For higher
                      driving forces strong deviations are found, leading to a
                      significantly higher melting velocity than predicted from a
                      purely mesoscopic description.},
      cin          = {PGI-2},
      ddc          = {530},
      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:000338652100003},
      doi          = {10.1103/PhysRevB.89.224104},
      url          = {https://juser.fz-juelich.de/record/173392},
}