2層構造の自己組織化複合ボンド磁石の作製 Self-Organized Composite Bonded Magnets with Double-Layered Structure Prepared by Two Step Compaction

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抄録

The magnetic properties of radially-anisotropic ring-shaped magnets deteriorate when their diameter decreases, so the miniaturization of their magnet motors becomes difficult. In order to overcome this difficulty, we developed a self-organization technique of binder for anisotropic rare-earth bonded-magnets. By using this technique, we controlled the flexibility of perpendicularly-anisotropic rigid sheet-shaped magnets (approximately 1 mm in thickness), transformed them into various specific shapes, and succeeded in preparing radially-anisotropic ring-shaped magnets. In this contribution, we report a new technique which enables us to prepare an composite bonded magnet with a two-layered structure. In the magnet prepared by the developed technique, the direction of easy magnetization varies from the circumferential direction to the radial direction without deterioration of the degree of alignment. Consequently, the multi-polar magnetized magnets observed a smooth flux waveform and the initial irreversible flux loss reduction compared with that of conventional radially anisotropic magnets.

収録刊行物

  • 粉体および粉末冶金  

    粉体および粉末冶金 53(7), 584-589, 2006-07-15 

    Japan Society of Powder and Powder Metallurgy

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各種コード

  • NII論文ID(NAID)
    10018005650
  • 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
    8046032
  • 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  NDL  J-STAGE 
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