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@ARTICLE{Persson:907274,
      author       = {Persson, Bo},
      title        = {{I}nfluence of humidity on the binding of stone fragments
                      via capillary bridges},
      journal      = {epl},
      volume       = {137},
      issn         = {0295-5075},
      address      = {Les Ulis},
      publisher    = {EDP Sciences},
      reportid     = {FZJ-2022-01936},
      pages        = {46001},
      year         = {2022},
      abstract     = {We study the humidity dependency of the adhesion (or
                      pull-off) force between granite fragments and a silica glass
                      plate. The particles bind to the glass plate via capillary
                      bridges. The granite particles are produced by cracking a
                      granite stone in a mortar and have self-affine fractal
                      surface roughness. Theory shows that the surface roughness
                      results in an interaction force between stone fragments and
                      the glass plate which is independent of the size of the
                      particles, in contrast to the linear size dependency
                      expected for particles with smooth surfaces. We measure the
                      adhesion force by depositing the granite particle powder,
                      with particle sizes ranging from mm to μm (or less), on the
                      glass plate. By turning the glass plate upside-down all
                      particles with a gravitational force larger than the
                      adhesion force will fall off the glass plate. By studying
                      the size (and hence the mass) of biggest still attached
                      particles we obtained the adhesion force, which is found to
                      be in good agreement with the theory prediction.},
      cin          = {PGI-1 / IAS-1},
      ddc          = {530},
      cid          = {I:(DE-Juel1)PGI-1-20110106 / I:(DE-Juel1)IAS-1-20090406},
      pnm          = {5211 - Topological Matter (POF4-521)},
      pid          = {G:(DE-HGF)POF4-5211},
      typ          = {PUB:(DE-HGF)16},
      UT           = {WOS:000789153100001},
      doi          = {10.1209/0295-5075/ac5fcf},
      url          = {https://juser.fz-juelich.de/record/907274},
}