Nd‐Fe‐B磁石の高保磁力化をめざした微細組織制御

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タイトル別名
  • Microstructure-Coercivity Relationships of Nd-Fe-B Base Permanent Magnets
  • Nd-Fe-B磁石の高保磁力化をめざした微細組織制御
  • Nd-Fe-B ジシャク ノ コウホジリョクカ オ メザシタ ビサイ ソシキ セイギョ

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  In spite of the long research history of Nd-Fe-B magnets, the understanding of the microstructure-coercivity relationships is not sufficient because of the difficulty of high quality microscopy work due to the strong oxidation tendency of Nd-rich phases during microscopy specimen preparation processes. In this paper, we review recent investigations on the microstructure-coercivity relationships using scanning electron microscopy, high resolution transmission electron microscopy (HRTEM) and laser assisted three-dimensional atom probe (3DAP) and discuss how to enhance the coercivity of Nd-Fe-B anisotropic magnets without using Dy.<br>

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