高性能NdFeB焼結磁石と応用 High Performance NdFeB Sintered Magnets and Their Applications

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As NdFeB sintered magnets have been improved not only in magnetic properties but also in cost-performance, they have been remarkably expanding in the global markets. Especially, motor applications by using NdFeB sintered magnets are rapidly increasing because improvements in motor efficiency are urgent to reduce CO<SUB>2</SUB> exhaust gas. Market demands for these magnets are focused on (1) higher energy products, (2) higher thermal stability and reliability, (3) sales price reduction. Therefore, it is very important to investigate how to realize an excellent alignment of 2-14-1 grains in sintered magnet and how to increase coercive force with a minimum content of Dy through the powder metallurgical process. In this paper, the market trend of NdFeB sintered magnets is introduced and the latest investigation on high performance NdFeB sintered magnets are described.

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), 573-578, 2006-07-15 

    Japan Society of Powder and Powder Metallurgy

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各種コード

  • NII論文ID(NAID)
    10018005636
  • NII書誌ID(NCID)
    AN00222724
  • 本文言語コード
    JPN
  • 資料種別
    REV
  • ISSN
    05328799
  • NDL 記事登録ID
    8045995
  • 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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