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Growth of diffusion layers at liquid Al-solid Cu interface under uniform and gradient high magnetic field conditions

机译：均匀梯度铝强磁场条件下液态铝-固态铜界面扩散层的生长

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摘要

The effect of high magnetic fields on interfacial reactive diffusion in liquid/solid (Al/Cu) couples was experimentally investigated at a temperature of 973 K. Regardless of any magnetic field, compound layers consisting of the δ, ζ_2. η_2 and θ phases were produced at the interface. The magnetic flux density, B, exerted a non-monotonic influence on the growth of the diffusion layers. Moreover, the mean thickness of the diffusion layers (parallel to B) was found to be always greater than that of the diffusion layers (perpendicular to B) under the applied magnetic fields. These phenomena should be attributed to the effects of two types of the Lorentz force under a uniform high magnetic field on diffusion behavior. In addition, the growth of intermetallic phases could be retarded by a magnetic field gradient due to the magnetic force in the axial direction.
机译：在973 K的温度下，实验研究了高磁场对液/固（Al / Cu）偶合中界面反应性扩散的影响。不管任何磁场如何，化合物层均由δ，ζ_2组成。在界面处产生η_2和θ相。磁通密度B对扩散层的生长产生非单调影响。此外，发现在所施加的磁场下，扩散层的平均厚度（平行于B）总是大于扩散层的平均厚度（垂直于B）。这些现象应归因于在均匀强磁场下两种洛伦兹力对扩散行为的影响。另外，由于轴向上的磁力，磁场梯度会阻碍金属间相的生长。

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  • 来源
    《Materials Chemistry and Physics.》 |2009年第3期|504-510|共7页
  • 作者

    Dong-gang Li; Qiang Wang; Tie Liu; Guo-jian Li; Ji-cheng He;

  • 作者单位

    Key Laboratory of Electromagnetic Processing of Materials (Ministry of Education), Northeastern University, No. 3-17 Wenhua Road, Heping District, Shenyang, Liaoning Province, 110004, PR China;

    Key Laboratory of Electromagnetic Processing of Materials (Ministry of Education), Northeastern University, No. 3-17 Wenhua Road, Heping District, Shenyang, Liaoning Province, 110004, PR China;

    Key Laboratory of Electromagnetic Processing of Materials (Ministry of Education), Northeastern University, No. 3-17 Wenhua Road, Heping District, Shenyang, Liaoning Province, 110004, PR China;

    Key Laboratory of Electromagnetic Processing of Materials (Ministry of Education), Northeastern University, No. 3-17 Wenhua Road, Heping District, Shenyang, Liaoning Province, 110004, PR China;

    Key Laboratory of Electromagnetic Processing of Materials (Ministry of Education), Northeastern University, No. 3-17 Wenhua Road, Heping District, Shenyang, Liaoning Province, 110004, PR China;

  • 收录信息 美国《科学引文索引》(SCI);美国《工程索引》(EI);美国《生物学医学文摘》(MEDLINE);
  • 原文格式 PDF
  • 正文语种 eng
  • 中图分类
  • 关键词

    diffusion; interfaces; metals;

    机译：扩散;接口;金属;

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