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@ARTICLE{Chi:425569,
      author       = {Chi, Y. Q. and Zhou, X. H. and Xu, C. and Sun, D. and Qiao,
                      X. G. and Brokmeier, H. G. and Zheng, M. Y.},
      title        = {{T}he origin of discontinuous yielding in {M}g alloys under
                      slip-dominated condition studied by in-situ synchrotron
                      diffraction and elastic-viscoplastic self-consistent
                      modeling},
      journal      = {Materials science and engineering / A},
      volume       = {754},
      issn         = {0921-5093},
      address      = {Amsterdam},
      publisher    = {Elsevier},
      reportid     = {PUBDB-2019-03293},
      pages        = {562 - 568},
      year         = {2019},
      note         = {© Elsevier B.V.},
      abstract     = {A discontinuous yielding was observed in the as-extruded
                      Mg-7Gd-2Y-1Zn-0.6Zr (wt. $\%)$ alloy under uniaxial tension
                      along the extrusion direction, which was eliminated by the
                      peak-aging treatment. The deformation mechanisms of the
                      as-extruded and peak-aged alloys were studied by in-situ
                      synchrotron diffraction measurement and elastic-viscoplastic
                      self-consistent (EVPSC) modeling. The in-situ synchrotron
                      diffraction results suggest that the unpinning of basal
                      dislocations from solute atmospheres causes the stress
                      relaxation in the basal slip favored grains. The EVPSC
                      modeling results indicate that the discontinuous yielding in
                      the as-extruded alloy is associated with the interaction
                      between basal dislocations and solute atmospheres. After
                      peak-aging treatment, the interaction between basal
                      dislocations and solute atmospheres is weakened due to the
                      consumption of a number of solute atoms. Consequently, the
                      discontinuous yielding is eliminated in the peak-aged
                      alloy.},
      cin          = {DOOR},
      ddc          = {530},
      cid          = {I:(DE-H253)HAS-User-20120731},
      pnm          = {6G3 - PETRA III (POF3-622)},
      pid          = {G:(DE-HGF)POF3-6G3},
      experiment   = {EXP:(DE-H253)P-P07-20150101},
      typ          = {PUB:(DE-HGF)16},
      UT           = {WOS:000466249400056},
      doi          = {10.1016/j.msea.2019.03.073},
      url          = {https://bib-pubdb1.desy.de/record/425569},
}