Compound magnets - cage magnets

Japanese: 化合物磁石 - かごうぶつじしゃく
Compound magnets - cage magnets


[Permanent magnet materials]
Also called hard magnetic materials. These materials are characterized by their large coercive force and large ( BH ) max , and are broadly divided into alloy magnets mainly composed of Fe and Co, and compound magnets. In the past, hardened high carbon steel was used as a magnet, but it was soon discovered that adding W, Cr, Co, etc. improved magnetic properties. …

*Some of the terminology that refers to "compound magnets" is listed below.

Source | Heibonsha World Encyclopedia 2nd Edition | Information

Japanese:


[永久磁石材料]
 硬質磁性材料とも呼ばれる。この材料は保磁力が大きいこと,(BH)maxの大きいことで特徴づけられ,FeとCoを中心とした合金磁石と化合物磁石に大別される。古くは焼入れした高炭素鋼が磁石として使われたが,やがてW,Cr,Coなどの添加が磁性を改善することがわかってきた。…

※「化合物磁石」について言及している用語解説の一部を掲載しています。

出典|株式会社平凡社世界大百科事典 第2版について | 情報

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