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<p>The orientation of both the grain and its neighboring grains significantly impacts the cold-rolled texture for polycrystalline material. The polycrystalline cooperative deformation process is difficult to track in grain-oriented silicon steel with grain sizes on the cm-scale. In this study, the crystal plasticity simulated the Goss grain deformation process with and without taking into account the neighboring grain orientation and the in-grain orientation perturbation. The simulation results indicate that neighboring grains promote the Goss grain rotation to {111}&lt;112&gt; texture, and in-grain orientation perturbation affects the texture distribution in the cold-rolled matrix. The cold-rolled texture of Goss grains demonstrates that neighboring grains and in-grain orientation perturbations lead to a dispersed distribution of the retained Goss texture within the {111}&lt;112&gt; matrix. The remeshing–cropping method allows a continuous reduction in model size and an increase in resolution during the deformation process, enabling a more detailed analysis of texture and dislocation evolution within the substructure. The findings demonstrate that the Goss texture following cold rolling originates from the preserved component of the initial Goss texture and the re-rotation of the {111}&lt;112&gt; matrix towards the Goss texture. The Goss texture exhibits an increased dislocation density at the cold-rolled matrix interface, facilitating the nucleation of Goss grains during the subsequent annealing process. The {111}&lt;112&gt; texture comes from the uniform deformation region, maintaining a uniform texture and low dislocation density throughout the deformation process. In deformation bands, the deformation process leads to an increase in misorientation and dislocation density, resulting in a texture that were composed of Goss, {111}&lt;112&gt;, and transitional textures. Consequently, the deformation band facilitates Goss grain nucleation during the annealing process due to the high dislocation density and retained Goss texture in the band.</p>

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Crystal Plasticity Simulation of the Goss Grain Evolution Dominated by Neighboring Grain Orientations and In-Grain Orientation Perturbation in Grain-Oriented Silicon Steel During Cold Rolling

  • 期刊论文

  • 发表日期：

    2026年2月17日

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  • Yalong Luo,
  • Haochen Ding,
  • Luyang Miao,
  • Chi Zhang,
  • Liwen Zhang,
  • Haitao Liu,
  • Chongxiang Yue

摘要

The orientation of both the grain and its neighboring grains significantly impacts the cold-rolled texture for polycrystalline material. The polycrystalline cooperative deformation process is difficult to track in grain-oriented silicon steel with grain sizes on the cm-scale. In this study, the crystal plasticity simulated the Goss grain deformation process with and without taking into account the neighboring grain orientation and the in-grain orientation perturbation. The simulation results indicate that neighboring grains promote the Goss grain rotation to {111}<112> texture, and in-grain orientation perturbation affects the texture distribution in the cold-rolled matrix. The cold-rolled texture of Goss grains demonstrates that neighboring grains and in-grain orientation perturbations lead to a dispersed distribution of the retained Goss texture within the {111}<112> matrix. The remeshing–cropping method allows a continuous reduction in model size and an increase in resolution during the deformation process, enabling a more detailed analysis of texture and dislocation evolution within the substructure. The findings demonstrate that the Goss texture following cold rolling originates from the preserved component of the initial Goss texture and the re-rotation of the {111}<112> matrix towards the Goss texture. The Goss texture exhibits an increased dislocation density at the cold-rolled matrix interface, facilitating the nucleation of Goss grains during the subsequent annealing process. The {111}<112> texture comes from the uniform deformation region, maintaining a uniform texture and low dislocation density throughout the deformation process. In deformation bands, the deformation process leads to an increase in misorientation and dislocation density, resulting in a texture that were composed of Goss, {111}<112>, and transitional textures. Consequently, the deformation band facilitates Goss grain nucleation during the annealing process due to the high dislocation density and retained Goss texture in the band.