Structure and magnetic properties of N-containing Nd–Fe–B alloys prepared by mechanical alloying

W. Liu, Z. D. Zhang, J. P. Liu, X. K. Sun, D. J. Sellmyer

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The structure and magnetic properties of [formula omitted]-based alloys prepared by mechanical alloying have been investigated. For the [formula omitted] series, a large amount of NdN, α-Fe, and a small [formula omitted] phase are observed in x-ray diffraction patterns. With increasing Nd content, the amount of the [formula omitted] phase increases and α-Fe decreases gradually. When [formula omitted] in the [formula omitted] systems, some amount of the N-containing, Nd-rich phase appears. Meanwhile, the content of the nitrogen in the [formula omitted] phase decreases and, correspondingly, the Curie temperature decreases. The coercivity and the maximum magnetic energy product of this series attain maxima at [formula omitted] A coercivity as high as 20 kOe has been achieved. The effect of nitrogen on the formation, composition, and magnetic properties of the [formula omitted] compound is discussed.

Original languageEnglish (US)
Pages (from-to)5332-5334
Number of pages3
JournalJournal of Applied Physics
Issue number9
Publication statusPublished - May 1 2000


ASJC Scopus subject areas

  • Physics and Astronomy(all)

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