Low temperature diffusion process using rare earth-Cu eutectic alloys for hot-deformed Nd-Fe-B bulk magnets

DOI PDF 被引用文献6件
  • T. Akiya
    Elements Strategy Initiative Center for Magnetic Materials, National Institute for Materials Science 1 , Tsukuba 305-0047, Japan
  • J. Liu
    Elements Strategy Initiative Center for Magnetic Materials, National Institute for Materials Science 1 , Tsukuba 305-0047, Japan
  • H. Sepehri-Amin
    Elements Strategy Initiative Center for Magnetic Materials, National Institute for Materials Science 1 , Tsukuba 305-0047, Japan
  • T. Ohkubo
    Elements Strategy Initiative Center for Magnetic Materials, National Institute for Materials Science 1 , Tsukuba 305-0047, Japan
  • K. Hioki
    Daido Steel Co., LTD 3 , Nagoya 457-8545, Japan
  • A. Hattori
    Daido Steel Co., LTD 3 , Nagoya 457-8545, Japan
  • K. Hono
    Elements Strategy Initiative Center for Magnetic Materials, National Institute for Materials Science 1 , Tsukuba 305-0047, Japan

説明

<jats:p>The low temperature grain boundary diffusion process using RE70Cu30 (RE = Pr, Nd) eutectic alloy powders was applied to sintered and hot-deformed Nd-Fe-B bulk magnets. Although only marginal coercivity increase was observed in sintered magnets, a substantial enhancement in coercivity was observed when the process was applied to hot-deformed anisotropic bulk magnets. Using Pr70Cu30 eutectic alloy as a diffusion source, the coercivity was enhanced from 1.65 T to 2.56 T. The hot-deformed sample expanded along c-axis direction only after the diffusion process as RE rich intergranular layers parallel to the broad surface of the Nd2Fe14B are thickened in the c-axis direction.</jats:p>

収録刊行物

被引用文献 (6)*注記

もっと見る

詳細情報 詳細情報について

問題の指摘

ページトップへ