Amorphous Nd-Fe-Si thick ribbons and their hard magnetic properties

Wei Zhang; Akira Takeuchi; Akihisa Inoue

doi:10.2320/matertrans1989.38.1027

Amorphous Nd-Fe-Si thick ribbons and their hard magnetic properties

Wei Zhang, Akira Takeuchi, Akihisa Inoue

ENG - Quantum Science and Energy Engineering

Research output: Contribution to journal › Article › peer-review

16 Citations (Scopus)

Abstract

Hard magnetic Nd₆₀Fe₃₀Si₁₀ amorphous ribbons with large thicknesses up to 107 μm were prepared by melt spinning. The hard magnetic properties of this alloy increase with increasing ribbon thickness to 107 μm, and the largest values of remanence, coercivity (iH_c) and maximum energy product (BH)_max are 0.15 T, 412kA/m and 3.8kJ/m³, respectively. The main feature of this amorphous alloy is that the hard magnetic properties with high iH_c are obtained in the melt-spun amorphous state without crystallinity. The combination of the large glass-forming ability and hard magnetic properties is important for the future development of hard magnetic bulk amorphous alloys.

Original language	English
Pages (from-to)	1027-1030
Number of pages	4
Journal	Materials Transactions, JIM
Volume	38
Issue number	11
DOIs	https://doi.org/10.2320/matertrans1989.38.1027
Publication status	Published - 1997 Nov

Keywords

Hard magnetic amorphous alloy
High coercivity
Large glass-forming ability
Melt spinning technique
Neodymium-iron-silicon system
Relaxed amorphous structure
Thick amorphous ribbon

ASJC Scopus subject areas

Engineering(all)

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abstract = "Hard magnetic Nd60Fe30Si10 amorphous ribbons with large thicknesses up to 107 μm were prepared by melt spinning. The hard magnetic properties of this alloy increase with increasing ribbon thickness to 107 μm, and the largest values of remanence, coercivity (iHc) and maximum energy product (BH)max are 0.15 T, 412kA/m and 3.8kJ/m3, respectively. The main feature of this amorphous alloy is that the hard magnetic properties with high iHc are obtained in the melt-spun amorphous state without crystallinity. The combination of the large glass-forming ability and hard magnetic properties is important for the future development of hard magnetic bulk amorphous alloys.",

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AU - Takeuchi, Akira

AU - Inoue, Akihisa

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N2 - Hard magnetic Nd60Fe30Si10 amorphous ribbons with large thicknesses up to 107 μm were prepared by melt spinning. The hard magnetic properties of this alloy increase with increasing ribbon thickness to 107 μm, and the largest values of remanence, coercivity (iHc) and maximum energy product (BH)max are 0.15 T, 412kA/m and 3.8kJ/m3, respectively. The main feature of this amorphous alloy is that the hard magnetic properties with high iHc are obtained in the melt-spun amorphous state without crystallinity. The combination of the large glass-forming ability and hard magnetic properties is important for the future development of hard magnetic bulk amorphous alloys.

AB - Hard magnetic Nd60Fe30Si10 amorphous ribbons with large thicknesses up to 107 μm were prepared by melt spinning. The hard magnetic properties of this alloy increase with increasing ribbon thickness to 107 μm, and the largest values of remanence, coercivity (iHc) and maximum energy product (BH)max are 0.15 T, 412kA/m and 3.8kJ/m3, respectively. The main feature of this amorphous alloy is that the hard magnetic properties with high iHc are obtained in the melt-spun amorphous state without crystallinity. The combination of the large glass-forming ability and hard magnetic properties is important for the future development of hard magnetic bulk amorphous alloys.

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