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@ARTICLE{Dhekne:637229,
      author       = {Dhekne, Pushkar and Prabhu, Nikhil and Bönisch, Matthias
                      and Seefeldt, Marc and Diehl, Martin and Vanmeensel, Kim},
      title        = {{D}eformation mechanisms of {L}-{PBF}-processed
                      {T}i-6{A}l-4{V} investigated using a combined experimental
                      and simulation approach},
      reportid     = {PUBDB-2025-03821, arXiv:2508.16367},
      year         = {2025},
      note         = {cited as arXiv:2508.16367 [cond-mat.mtrl-sci]},
      abstract     = {Despite the significant application potential of laser
                      powder bed fusion (L-PBF) processed Ti-6Al-4V components, a
                      detailed understanding of their deformation mechanisms
                      remains limited. This study investigates the deformation
                      behavior of the ${α^\prime}$ and α phases in the as-built
                      and heat-treated specimens, respectively, using in-situ
                      high-energy X-ray diffraction (HEXRD) combined with crystal
                      plasticity modeling. Both phases exhibited similar elastic
                      anisotropy, with the highest modulus along $\{00.2\}$ and
                      the lowest along $\{10.0\},$ although the α phase
                      consistently showed higher directional moduli than the
                      ${α^\prime}$ phase. Their plastic deformation responses
                      differed markedly: in the as-built ${α^\prime}$ phase, slip
                      activation followed the sequence prismatic $\rightarrow$
                      basal $\rightarrow$ pyramidal I $\langle$ c+a $\rangle,$
                      whereas in the heat-treated α phase, the sequence was basal
                      $\rightarrow$ prismatic $\rightarrow$ pyramidal I $\langle$
                      c+a $\rangle.$ Analyses of full width at half maximum (FWHM)
                      and diffraction peak intensities further supported these
                      observations. Finally, inverse modeling within a crystal
                      plasticity framework was employed to determine slip
                      family--specific critical resolved shear stresses (CRSS),
                      revealing higher CRSS values in the ${α^\prime}$ phase for
                      all slip systems except the prismatic family.},
      keywords     = {Materials Science (cond-mat.mtrl-sci) (Other) / FOS:
                      Physical sciences (Other)},
      cin          = {DOOR ; HAS-User / Hereon},
      cid          = {I:(DE-H253)HAS-User-20120731 / I:(DE-H253)Hereon-20210428},
      pnm          = {6G3 - PETRA III (DESY) (POF4-6G3) / FS-Proposal: I-20190769
                      EC (I-20190769-EC) / CALIPSOplus - Convenient Access to
                      Light Sources Open to Innovation, Science and to the World
                      (730872)},
      pid          = {G:(DE-HGF)POF4-6G3 / G:(DE-H253)I-20190769-EC /
                      G:(EU-Grant)730872},
      experiment   = {EXP:(DE-H253)P-P07-20150101},
      typ          = {PUB:(DE-HGF)25},
      eprint       = {2508.16367},
      howpublished = {arXiv:2508.16367},
      archivePrefix = {arXiv},
      SLACcitation = {$\%\%CITATION$ = $arXiv:2508.16367;\%\%$},
      doi          = {10.3204/PUBDB-2025-03821},
      url          = {https://bib-pubdb1.desy.de/record/637229},
}