The control of crystal orientation in non-magnetic metals by imposition of a high magnetic field
The control of crystal orientation in non-magnetic metals by imposition of a high magnetic field
复制标题
DOI：
10.2355/isijinternational.43.855
复制
发表时间：
2003-01-01
影响因子：
1.8
通讯作者：
Asai, S
中科院分区：
文献类型：
--
作者：
Sugiyama, T;Tahashi, M;Asai, S
高磁场不仅会影响铁磁材料，还会影响非磁性材料。通常，材料具有晶体磁各向异性，其中磁化率在每个晶体方向上不同。因此利用这一性质可以通过施加高磁场来控制晶体取向。迄今为止，已经研究了通过施加高磁场来磁取向的可能性，据说晶体磁各向异性的存在和低粘度是必要的。然后，具有晶体磁各向异性的物质可以通过加热到低粘度的液体和固体区域来控制晶体取向。研究发现，高磁场可以通过在凝固过程中重新加热来控制非磁性材料锌或铋锡合金的晶体取向。这些实验结果可以通过考虑由于晶体磁各向异性而产生的磁能来解释。并且，我们讨论了通过考虑作用于熔融金属的洛伦兹力对非磁性金属晶体的磁旋转的理论分析。
High magnetic filed can affect not only ferromagnetic materials but also non-magnetic ones. In general, materials have a crystal magnetic anisotropy where a magnetic susceptibility is different in each crystal direction. So that the utilization of this property can control the crystal orientation by imposition of the high magnetic field. Up to now, the possibility of magnetic orientation by imposition of the high magnetic field has been studied, it was said that existence of crystal magnetic anisotropy and a low viscosity are essential. Then, substance which has crystal magnetic anisotropy can control the crystal orientation by heating up to liquid and solid zone which is a low viscosity.It is found that the high magnetic field can control the crystal orientation of Zinc or Bismuth-Tin alloy, nonmagnetic material, by reheating in a solidification process. These experimental results can be explained by taking into account of a magnetic energies due to the crystal magnetic anisotropy. And, we discuss a theoretical analysis on the magnetic rotation of non-magnetic metal crystals by taking account of Lorenz force which acts in of molten metals.