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Formation and properties of high Fe-content Fe-(B-Si)-Zr bulk amorphous alloys

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Abstract

The present work is devoted to the development of Fe-(B-Si)-Zr amorphous alloys with high glass-forming ability and good magnetic properties. Using the cluster-plus-glue-atom model proposed for ideal amorphous structures, [FeFe11B3Si](Fe1−x Zr x ) was determined as the cluster formula of Fe-(B-Si)-Zr alloys. The glass formation and thermal stability of the serial alloys, namely, [FeFe11B3Si](Fe1−x Zr x ) (x = 0, 0.1, 0.2, 0.3, 0.4, 0.5, 0.6, 0.75, and 1.0), were studied by the combination of copper mold casting, X-ray diffraction, and differential thermal analysis techniques. The maxima of glass-forming ability and thermal stability were found to occur at the compositions of [FeFe11B3Si](Fe0.6Zr0.4) and [FeFe11B3Si](Fe0.5Zr0.5). The alloys can be cast into amorphous rods with 1.5 mm diameter, and upon reheating, the amorphous alloys exhibit a large undercooled liquid span of 37 K. The saturation magnetization of the [FeFe11B3Si](Fe0.5Zr0.5) amorphous alloy was measured to be 1.4 T.

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Authors and Affiliations

  1. Key Laboratory of Materials Modification (Ministry of Education), Dalian University of Technology, Dalian, 116024, China

    Yao-xiang Geng, Ying-min Wang, Jian-bing Qiang, Qing Wang, Fan-yang Kong, Gui-feng Zhang & Chuang Dong

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  1. Yao-xiang Geng
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  2. Ying-min Wang
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  3. Jian-bing Qiang
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  4. Qing Wang
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  5. Fan-yang Kong
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  6. Gui-feng Zhang
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  7. Chuang Dong
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Correspondence to Jian-bing Qiang.

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Geng, Yx., Wang, Ym., Qiang, Jb. et al. Formation and properties of high Fe-content Fe-(B-Si)-Zr bulk amorphous alloys. Int J Miner Metall Mater 20, 371–374 (2013). https://doi.org/10.1007/s12613-013-0737-0

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  • DOI: https://doi.org/10.1007/s12613-013-0737-0

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