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@ARTICLE{Wang:874602,
      author       = {Wang, Yule and Eikerling, Michael},
      title        = {{F}racture dynamics of correlated percolation on ionomer
                      networks},
      journal      = {Physical review / E},
      volume       = {101},
      number       = {4},
      issn         = {1063-651X},
      address      = {Woodbury, NY},
      publisher    = {Inst.},
      reportid     = {FZJ-2020-01530},
      pages        = {042603},
      year         = {2020},
      abstract     = {This article presents a random network model to the study
                      fracture dynamics on a scaffold of charged and elastic
                      ionomer bundles that constitute the stable skeleton of a
                      polymer electrolyte membrane. The swelling pressure upon
                      water uptake by this system creates the internal stress
                      under which ionomer bundles undergo breakage. Depending on
                      the local stress and the strength of bundle-to-bundle
                      correlations, different fracture regimes can be observed. We
                      use kinetic Monte Carlo simulations to study these dynamics.
                      The breakage of individual bundles is described with an
                      exponential breakdown rule and the stress transfer from
                      failed to intact bundles is assumed to exhibit a
                      power-law-type spatial decay. A central property considered
                      in the analysis is the frequency distribution of percolation
                      thresholds, which is employed to analyze fracture regimes as
                      a function of the stress and the effective range of stress
                      transfer. Based on this distribution, we introduce an order
                      parameter for the transition from random breakage to crack
                      growth regimes. Moreover, as a practically important
                      outcome, the time to fracture is analyzed as a descriptor
                      for the lifetime of polymer electrolyte membranes.},
      cin          = {IEK-13},
      ddc          = {530},
      cid          = {I:(DE-Juel1)IEK-13-20190226},
      pnm          = {113 - Methods and Concepts for Material Development
                      (POF3-113)},
      pid          = {G:(DE-HGF)POF3-113},
      typ          = {PUB:(DE-HGF)16},
      pubmed       = {pmid:32422712},
      UT           = {WOS:000524328800004},
      doi          = {10.1103/PhysRevE.101.042603},
      url          = {https://juser.fz-juelich.de/record/874602},
}