Production of nanocrystalline (Fe, Co)-Si-B-P-Cu alloy with excellent soft magnetic properties for commercial applications

Kana Takenaka, Albertus D. Setyawan, Yan Zhang, Parmanand Sharma, Nobuyuki Nishiyama, Akihiro Makino

研究成果: Article査読

22 被引用数 (Scopus)

抄録

With the aim of applying to a magnetic core material, the effect of ribbon thickness on the magnetic properties of a (Fe, Co)-Si-B-P-Cu alloy ribbon was investigated. It is found that the Si addition in (Fe, Co)-Si-B-P-Cu nanocrystalline alloy increased the saturation magnetic flux density (Bs), but degraded the coercivity (Hc), suggesting that the Si addition should be suppressed to a little amount. It is also found that the replacement of Fe with Co is quite effective for obtaining better magnetic properties of Fe-Si-B-P-Cu alloy. Even for the thicker ribbons exceeding 30μm in thickness, the nanocrystalline Fe81.2Co4Si0.5B9.5P4Cu0.8 alloy exhibited low Hc of 7A/m and high Bs of 1.84 T. Such excellent magnetic properties were successfully reproduced in 50mm wide ribbons. This regards that the nanocrystallized Co-containing alloy has high applicability to high-efficiency magnetic core material.

本文言語English
ページ(範囲)372-376
ページ数5
ジャーナルMaterials Transactions
56
3
DOI
出版ステータスPublished - 2015

ASJC Scopus subject areas

  • 材料科学(全般)
  • 凝縮系物理学
  • 材料力学
  • 機械工学

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