磁気コセラ連続体理論による磁性粉体の磁場中成形時の粒子配向と圧粉方法に関する研究 Analysis of Particle Alignment of Magnetic Powder by Magneto-Cosserat Theory during Compaction

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In the Cosserat continuum theory, couple stress and micro rotation of the material are taken into account. To simulate the behaviour of magnetic powder during compaction in magnetic field, we have developed the magneto-Cosserat continuum theory. In this theory, the Maxwell stress that is related to the distribution of magnetic flux density in the powder and particles' easy axes for magnetization are taken into account. By implementing the magneto-Cosserat continuum theory in FEM scheme, it is possible to simulate magnetic alignment in powders with magnetic anisotropy during compaction in an applied magnetic field. In the present paper, we analyze the relationship between the direction of magnetic field and compaction process, such as cross compaction, transverse compaction and isostatic compaction. In the calculation, the directions of the easy axes are given by a set of random numbers. The rotation of the axes is thus calculated at various conditions of applied magnetic field. The results are discussed comparing with those by particle dynamics simulation.

収録刊行物

  • 粉体および粉末冶金  

    粉体および粉末冶金 45(9), 859-865, 1998-09-15 

    Japan Society of Powder and Powder Metallurgy

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各種コード

  • NII論文ID(NAID)
    10002052852
  • NII書誌ID(NCID)
    AN00222724
  • 本文言語コード
    JPN
  • 資料種別
    ART
  • ISSN
    05328799
  • NDL 記事登録ID
    4566310
  • NDL 雑誌分類
    ZP41(科学技術--金属工学・鉱山工学)
  • NDL 請求記号
    Z17-274
  • データ提供元
    CJP書誌  CJP引用  NDL  J-STAGE 
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