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<p>Certain material properties of steel products, such as drawability and magnetic properties, are determined by the recrystallization texture of the steel. In a study of 3 pct Si steel, we investigated the development of the {111} &lt;112&gt; recrystallization texture, which is the main texture component, and the effect of the cold rolling reduction on texture development. At higher reductions, the {111} &lt;112&gt; component of the recrystallization texture increased and approached the ideal {111} &lt;112&gt; orientation. Furthermore, the misorientations between the {111} &lt;112&gt; orientation of the recrystallized grains and the ideal orientation were smaller in the near-surface region than in the center-of-thickness. Due to the dependence of the orientation relationship on the cold rolling reduction, the misorientations corresponding to these orientations tended to concentrate in the RD-ND plane at a rolling reduction of 90 pct, but were widely distributed at 75 pct. Based on these findings, it was suggested that rotation of recrystallized nuclei around the TD axis is accelerated when rolling reduction exceeds 75 pct, and has a significant influence on their orientations.</p>

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Effect of Cold Rolling Reduction on Development of Recrystallization Texture of 3 Pct Si Steel Sheet

  • 期刊论文

  • 发表日期：

    2025年9月9日

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  • Takeshi Imamura,
  • Yoshimasa Takayama

摘要

Certain material properties of steel products, such as drawability and magnetic properties, are determined by the recrystallization texture of the steel. In a study of 3 pct Si steel, we investigated the development of the {111} <112> recrystallization texture, which is the main texture component, and the effect of the cold rolling reduction on texture development. At higher reductions, the {111} <112> component of the recrystallization texture increased and approached the ideal {111} <112> orientation. Furthermore, the misorientations between the {111} <112> orientation of the recrystallized grains and the ideal orientation were smaller in the near-surface region than in the center-of-thickness. Due to the dependence of the orientation relationship on the cold rolling reduction, the misorientations corresponding to these orientations tended to concentrate in the RD-ND plane at a rolling reduction of 90 pct, but were widely distributed at 75 pct. Based on these findings, it was suggested that rotation of recrystallized nuclei around the TD axis is accelerated when rolling reduction exceeds 75 pct, and has a significant influence on their orientations.