Effective recovery of Nd-Fe-B sintered magnet scrap powders as isotropic bonded magnets

Ken Ichi Machida, Masahiro Masuda, Shunji Suzuki, Masahiro Itoh, Takashi Horikawa

Research output: Contribution to journalArticlepeer-review

4 Citations (Scopus)

Abstract

Nd-Fe-B sintered magnet scrap powders, viz. "sludge", as produced in the sizing and polishing processes for well-shaped magnets of small-sized motors and other equipments were effectively recovered as the raw powders for isotropic Nd-Fe-B bonded magnets (Br = 0.66 T, H cj = 0.92 MA/m, and (BH)max = 70kJ/m3) by means of Ca metal reduction and melt-spun.

Original languageEnglish
Pages (from-to)628-629
Number of pages2
JournalChemistry Letters
Volume32
Issue number7
DOIs
Publication statusPublished - 2003 Jul 5
Externally publishedYes

ASJC Scopus subject areas

  • Chemistry(all)

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