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Glass forming ability of Fe–Co–Zr–Nd–B alloys and bulk permanent magnets derived from amorphous precursor

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Abstract

The glass forming ability (GFA) and magnetic properties for Fe48−x Co27Zr3Nd x B22 (x = 0–6) alloys were investigated. It was found that the proper addition of Nd (4–5 at.%) was very effective in improving GFA. The as-cast Fe44Co27Zr3Nd4B22 and Fe43Co27Zr3Nd5B22 alloys exhibited good soft magnetic behavior, while showed hard magnetic property after annealing at 760 °C for 10 min. Bulk permanent magnets were obtained from crystallization of amorphous alloys, which could provide a promising way for the bulk magnet produced by the simple process of copper mold casting and subsequent heat treatment.

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Acknowledgements

The authors gratefully acknowledge the Instrumental Analysis & Research Center, Shanghai University. This study was sponsored by the National Natural Science Foundation of China (Grant No. 50671059) and Shanghai leading Academic Discipline Project (Grant No. S30107).

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  1. Institute of Material Science, Shanghai University, Yanchang Road, Shanghai, 200072, People’s Republic of China

    X. H. Tan, H. Xu & S. J. Wu

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  1. X. H. Tan
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  2. H. Xu
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  3. S. J. Wu
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Correspondence to X. H. Tan.

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Tan, X.H., Xu, H. & Wu, S.J. Glass forming ability of Fe–Co–Zr–Nd–B alloys and bulk permanent magnets derived from amorphous precursor. J Mater Sci 45, 5543–5546 (2010). https://doi.org/10.1007/s10853-010-4614-1

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