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@ARTICLE{Xia:875301,
      author       = {Xia, Wenzhen and Dehm, Gerhard and Brinckmann, Steffen},
      title        = {{I}nsight into indentation-induced plastic flow in
                      austenitic stainless steel},
      journal      = {Journal of materials science},
      volume       = {55},
      number       = {21},
      issn         = {1573-4803},
      address      = {Dordrecht [u.a.]},
      publisher    = {Springer Science + Business Media B.V},
      reportid     = {FZJ-2020-01932},
      pages        = {9095 - 9108},
      year         = {2020},
      abstract     = {The indentation-induced plasticity and roughness have been
                      investigated intensively by experiments and simulations
                      during the last decades. However, the precise mechanisms of
                      how dislocation flow leads to pile-up formation are still
                      not completely understood, although this is one of the
                      initial steps causing surface roughening in tribological
                      contacts at low loads. In this work, {001}-, {101}- and
                      {111}-grain orientations in an austenite stainless steel
                      [(face-centered cubic (FCC) phase]) are indented with
                      varying load forces. By using scanning electron-based
                      methods and slip plane analysis, we reveal: (1) how
                      slip-steps show the change of pile-up formation, (2) how the
                      slip-plane inclination determines the dislocation flow and
                      (3) how slip-plane interactions result in the final pile-up
                      shape during indentation. We find that the flow direction
                      transforms from the forward flow to the sideway at a
                      transition angle of 55∘−58∘ between the slip-plane and
                      the surface. We use large displacement finite element method
                      simulations to validate an inversion of the resolved shear
                      stress at this transition angle. We provide insights into
                      the evolution of plasticity in dislocation-mediated FCC
                      metal indentations, with the potential application of this
                      information for indentation simulations and for
                      understanding the initial stage of scratching during
                      tribology in the future.},
      cin          = {IEK-2},
      ddc          = {670},
      cid          = {I:(DE-Juel1)IEK-2-20101013},
      pnm          = {113 - Methods and Concepts for Material Development
                      (POF3-113) / 1241 - Gas turbines (POF4-124)},
      pid          = {G:(DE-HGF)POF3-113 / G:(DE-HGF)POF4-1241},
      typ          = {PUB:(DE-HGF)16},
      UT           = {WOS:000526213900001},
      doi          = {10.1007/s10853-020-04646-y},
      url          = {https://juser.fz-juelich.de/record/875301},
}