Microstructure and properties of nanocrystalline Fe-Zr-Nb-B soft magnetic alloys with low magnetostriction

Y. Q. Wu, T. Bitoh, K. Hono, A. Makino, A. Inoue

研究成果: Article査読

51 被引用数 (Scopus)

抄録

We have investigated the microstructure-property relationship of nanocrystalline Fe85Zr1.2Nb5.8B8 and Fe85.5Zr2Nb4B8.5 soft magnetic alloys in order to understand the origin of drastic change in the permeability regardless of the zero magnetostriction in these two alloy compositions. Plan-view and cross-section transmission electron microscopy (TEM) observations showed strongly textured α-Fe particles on the free surface of the Fe85Zr1.2Nb5.8B8 alloy ribbon, while uniform nanocrystalline microstructure was observed in the Fe85.5Zr2Nb4B8.5 alloy ribbon. The high Zr content of the latter improves the glass forming ability, thereby suppressing the surface crystallization, resulting in higher permeability. By adding Cu in the Fe-Zr-Nb-B alloy, uniform nanocrystalline microstructure was obtained, from which superior soft magnetic properties with zero magnetostriction was achieved.

本文言語English
ページ(範囲)4069-4077
ページ数9
ジャーナルActa Materialia
49
19
DOI
出版ステータスPublished - 2001 11 14
外部発表はい

ASJC Scopus subject areas

  • 電子材料、光学材料、および磁性材料
  • セラミックおよび複合材料
  • ポリマーおよびプラスチック
  • 金属および合金

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