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@ARTICLE{Rodriguez:910506,
      author       = {Rodriguez, Nestor and Tiwari, Avinash and Persson, Bo},
      title        = {{A}ir leakage in seals with application to syringes},
      journal      = {Applied surface science advances},
      volume       = {8},
      issn         = {2666-5239},
      address      = {Amsterdam},
      publisher    = {Elsevier},
      reportid     = {FZJ-2022-03889},
      pages        = {100222 -},
      year         = {2022},
      abstract     = {We study the leakage of air in syringes with Teflon coated
                      rubber stopper and glass barrel. The leakrate depends on the
                      interfacial surface roughness, the viscoelastic properties
                      of the rubber and on the elastoplastic properties of the
                      Teflon coating. The measured leakage rates are compared to
                      the predictions of a simple theory for gas flow, which takes
                      into account both the diffusive and ballistic air flow, and
                      the elastoplastic multiscale contact mechanics which
                      determines the probability distribution of interfacial
                      separations. The theory shows that the interfacial air flow
                      (leakage) channels are so narrow that the gas flow is mainly
                      ballistic (the so called Knudsen limit). The implications
                      for container closure integrity is discussed.},
      cin          = {IAS-1 / PGI-1 / JARA-FIT / JARA-HPC},
      ddc          = {530},
      cid          = {I:(DE-Juel1)IAS-1-20090406 / I:(DE-Juel1)PGI-1-20110106 /
                      $I:(DE-82)080009_20140620$ / $I:(DE-82)080012_20140620$},
      pnm          = {5211 - Topological Matter (POF4-521)},
      pid          = {G:(DE-HGF)POF4-5211},
      typ          = {PUB:(DE-HGF)16},
      UT           = {WOS:000768298900005},
      doi          = {10.1016/j.apsadv.2022.100222},
      url          = {https://juser.fz-juelich.de/record/910506},
}