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@ARTICLE{Chowdhury:840454,
      author       = {Chowdhury, Helal and Naumenko, Konstantin and Altenbach,
                      Holm and Krüger, Manja},
      title        = {{C}ritical {S}tresses {E}stimation by {C}rystal
                      {V}iscoplasticity {M}odeling of {R}ate-{D}ependent
                      {A}nisotropy of {A}l-rich {T}i{A}l {A}lloys at {H}igh
                      {T}emperature},
      journal      = {Archive of applied mechanics},
      volume       = {88},
      number       = {1-2},
      issn         = {1432-0681},
      address      = {Berlin},
      publisher    = {Springer},
      reportid     = {FZJ-2017-07970},
      pages        = {65-81},
      year         = {2018},
      abstract     = {Determining critical stresses for different slip systems is
                      one of the most important parts in crystal plasticity
                      modeling of anisotropy. However, the task of finding
                      individual critical resolved shear stress (CRSS) for every
                      single slip system, if not impossible, is formidable and a
                      delicate one especially if the microstructure is very
                      complex. Slip family-based, mechanism-based and
                      morphology-based (e.g., phase interface) slip systems
                      classification and hence determining CRSS consistent with
                      experimental measurements are often used in crystal
                      plasticity. In this work, a novel approach to determining
                      CRSS at high homologous temperature has been proposed by
                      crystal plasticity modeling of rate-dependent anisotropy.
                      Two-internal-variable-based phenomenological crystal
                      viscoplasticity model is adopted for simulating isothermal,
                      two-phase, single-crystal-like Al-rich lamellar
                      $Ti–61.8at.\%Al$ binary alloy at high-temperature
                      compression state (1050∘C) by employing finite strain and
                      finite rotation framework. To the best of authors’
                      knowledge, this is the first micromechanical modeling
                      attempt with long-period superstructures. Conventional
                      approaches related to CRSS estimation are also compared with
                      the proposed one. Our material parameters are based on
                      calibrating three different sets of compressive stain
                      rate-controlled plasticity data taken from the loading of
                      two different lamellar directions. It is revealed that the
                      proposed approach works fine for rate-dependent anisotropy
                      modeling, while other conventional approaches highly under-
                      or overestimate available anisotropic experimental behavior
                      of this alloy.},
      cin          = {IEK-2},
      ddc          = {690},
      cid          = {I:(DE-Juel1)IEK-2-20101013},
      pnm          = {111 - Efficient and Flexible Power Plants (POF3-111)},
      pid          = {G:(DE-HGF)POF3-111},
      typ          = {PUB:(DE-HGF)16},
      UT           = {WOS:000424876300006},
      doi          = {10.1007/s00419-017-1291-4},
      url          = {https://juser.fz-juelich.de/record/840454},
}