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首页> 外文期刊>Materials Characterization >Effect of annealing after strip casting on microstructure, precipitates and texture in non-oriented silicon steel produced by twin-roll strip casting
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Effect of annealing after strip casting on microstructure, precipitates and texture in non-oriented silicon steel produced by twin-roll strip casting

机译：带钢铸造后的效果在双辊条带铸造中非取向硅钢中的微观结构，沉淀和纹理的影响

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摘要

A 3.1 mm thick non-oriented Fe-1.0% Si steel as-cast strip was produced by twin-roll strip casting. Samples with/without strip annealing were cold rolled to 0.5 mm and then annealed. The development of microstructure, precipitate and texture was characterized along the entire processing route. It was found that annealing after strip casting had a minor influence on the average grain size and texture of the as-cast strip. A large number of particles precipitated and coarsened during the strip annealing process. Meanwhile, precipitates hindered dislocation slip and crystal rotation such that more significant in-grain shear bands were formed in cold rolled sheets. During recrystallization annealing process, the newly formed fine precipitates in directly cold-rolled sheets consumed stored strain energy and also hindered grain growth. But the initial precipitates in the annealed strip grew further and the effect of pinning of dislocations and grain boundary was lost. Therefore, annealed sheets with strip annealing process showed homogeneous equiaxed grains and the recrystallization texture was characterized by strong lambda-fiber texture, which led to high permeability.
机译：通过双辊条带铸造生产3.1mm厚的非成向Fe-1.0％Si钢铸带。带/不带条带退火的样品冷轧至0.5mm，然后退火。沿整个加工途径表征了微观结构，沉淀和质地的发展。发现条带铸造后的退火对铸造条带的平均晶粒尺寸和质地产生了微小的影响。在条带退火过程中沉淀并粗化的大量颗粒。同时，沉淀阻断位错滑和晶体旋转，使得在冷轧板中形成更显着的粒剪切带。在重结晶退火过程中，在直接冷轧纸上的新形成的细沉淀物消耗储存的应变能量并阻碍晶粒生长。但退火条中的初始沉淀物进一步增长，捕捉位错和晶界的效果丧失。因此，带有条带退火过程的退火片显示出均匀的等轴晶粒，重结晶纹理的特征在于强烈的λ-纤维质地，这导致了高渗透性。

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  • 来源
    《Materials Characterization》 |2018年第2018期|共9页
  • 作者

    Lan Meng-Fei; Zhang Yuan-Xiang; Fang Feng; Lu Xiang; Wang Yang; Yuan Guo; Cao Guang-Ming; Misra R. D. K.; Wang Guo-Dong;

  • 作者单位

    Northeastern Univ State Key Lab Rolling &

    Automat RAL Shenyang 110819 Liaoning Peoples R China;

    Northeastern Univ State Key Lab Rolling &

    Automat RAL Shenyang 110819 Liaoning Peoples R China;

    Northeastern Univ State Key Lab Rolling &

    Automat RAL Shenyang 110819 Liaoning Peoples R China;

    Northeastern Univ State Key Lab Rolling &

    Automat RAL Shenyang 110819 Liaoning Peoples R China;

    Northeastern Univ State Key Lab Rolling &

    Automat RAL Shenyang 110819 Liaoning Peoples R China;

    Northeastern Univ State Key Lab Rolling &

    Automat RAL Shenyang 110819 Liaoning Peoples R China;

    Northeastern Univ State Key Lab Rolling &

    Automat RAL Shenyang 110819 Liaoning Peoples R China;

    Univ Texas El Paso Dept Met Mat &

    Biomed Engn Lab Excellence Adv Steel Res El Paso TX 79968 USA;

    Northeastern Univ State Key Lab Rolling &

    Automat RAL Shenyang 110819 Liaoning Peoples R China;

  • 收录信息
  • 原文格式 PDF
  • 正文语种 eng
  • 中图分类 工程材料学;
  • 关键词

    Non-oriented silicon steel; Twin-roll strip casting; Microstructure; Texture; Precipitates;

    机译：非成向硅钢;双辊条铸造;微观结构;纹理;沉淀物;

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