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@ARTICLE{Zhou:637927,
      author       = {Zhou, Bijin and Zhou, Hongrui and Wang, Jie and Zhu,
                      Gaoming},
      title        = {{E}ffects of reinforcement distribution on stress
                      heterogeneity in magnesium matrix composites: {I}n-situ
                      synchrotron experiments and crystal plasticity modeling},
      journal      = {Journal of alloys and compounds},
      volume       = {1038},
      issn         = {0925-8388},
      address      = {Lausanne},
      publisher    = {Elsevier},
      reportid     = {PUBDB-2025-03917},
      pages        = {182902},
      year         = {2025},
      note         = {Waiting for fulltext},
      abstract     = {Premature failures of magnesium matrix composites (MMCs)
                      reinforced with ceramic particles generally originate from
                      stress concentrations in particle-agglomerated regions. This
                      study investigates how the spatial distribution of SiC
                      particles (SiCp) affects internal stress states in a
                      SiCp/Mg-5Al composite through in-situ synchrotron tensile
                      testing combined with multi-scale crystal plasticity
                      modeling. Simulation of four microstructures with coarse
                      intergranular SiCp (5 μm), refined intergranular SiCp (2
                      μm), intergranular-dominated SiCp, or balanced hybrid SiCp
                      have performed. Key findings show that refining
                      intergranular SiCp (from 5 μm to 2 μm) increases particle
                      stress heterogeneity by $65 \%.$ Conversely, intragranular
                      dispersion reduces stress localization. Meanwhile, the
                      balanced hybrid distribution minimizes von Mises stress
                      variability in SiCp. The critical resolved shear stress
                      (CRSS) ratio of non-basal to basal slip in the composite is
                      determined to be 3.3–4.3. Plastic deformation of the
                      composite is primarily governed by non-basal dislocation
                      slip due to its fiber texture. We emphasize the importance
                      of combining matrix grain refinement and alloying to
                      optimize reinforcement dispersion and strain compatibility
                      within MMCs. The related strategies may synergistically
                      improve both ductility and strength of MMCs.},
      cin          = {DOOR ; HAS-User / Hereon},
      ddc          = {540},
      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-P21.2-20150101},
      typ          = {PUB:(DE-HGF)16},
      doi          = {10.1016/j.jallcom.2025.182902},
      url          = {https://bib-pubdb1.desy.de/record/637927},
}