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@ARTICLE{Liu:645087,
      author       = {Liu, Shen and Liu, Xu and Wu, Qiaohan and Li, Yixuan and
                      Shi, Qiuyi and Song, Lin and Pyczak, Florian and Stark,
                      Andreas and Li, Xiaobing and Zhang, Tiebang},
      title        = {{I}n-situ synchrotron high energy {X}-ray diffraction study
                      on the internal strain evolution of an extruded
                      {T}i-45{A}l-8{N}b-0.2{C} alloy during high-temperature
                      compression},
      journal      = {Materials characterization},
      volume       = {230},
      issn         = {1044-5803},
      address      = {New York, NY},
      publisher    = {Science Direct},
      reportid     = {PUBDB-2026-00592},
      pages        = {115746},
      year         = {2025},
      abstract     = {Due to their exceptional properties, γ-TiAl based alloys
                      present substantial prospect for aerospace and
                      automotiveapplications. However, the significant disparity
                      in plasticity between the D019-α2 and L10-γ phases
                      greatlyaffects TiAl alloys’ service behavior. This study
                      investigates the internal strain accumulation in the α2 and
                      γphases of an extruded Ti-45Al-8Nb-0.2C alloy during
                      compression at 900 ◦C and the subsequent stress
                      relaxationbehavior during annealing at 850 ◦C, using in
                      situ synchrotron high-energy X-ray diffraction (HEXRD).
                      Duringcompression, the γ phase starts to yield plastically
                      at approximately 410 MPa true stress, progressively
                      shiftingthe load to the α2 phase and generating high
                      residual stress in the α2 phase after deformation.
                      However,annealing at 850 ◦C for 30 min only partially
                      relieves the residual stress in the α2 phase, with the
                      relaxation ratedecreasing substantially after the first 10
                      min. Furthermore, when the true stress reaches 790 MPa
                      duringcompression, the α2 phase undergoes rigid-body
                      rotation to accommodate the plastic deformation of the
                      adjacentγ phase, initiating texture evolution that
                      ultimately forms a distinct < 1120 > fiber texture.},
      cin          = {DOOR ; HAS-User / Hereon},
      ddc          = {670},
      cid          = {I:(DE-H253)HAS-User-20120731 / I:(DE-H253)Hereon-20210428},
      pnm          = {6G3 - PETRA III (DESY) (POF4-6G3)},
      pid          = {G:(DE-HGF)POF4-6G3},
      experiment   = {EXP:(DE-H253)P-P07-20150101},
      typ          = {PUB:(DE-HGF)16},
      doi          = {10.1016/j.matchar.2025.115746},
      url          = {https://bib-pubdb1.desy.de/record/645087},
}