Abstract
Our experiment focused on investigating the P content dependences of the ability to form glass, the soft-magnetic properties of, and the clusters in melting Fe85−xSi4B11Px (x = 1–6), amorphous soft-magnetic alloys. The experimental results demonstrate that the alloys with proper P content (3–6 at.%) are prone to form a completely amorphous structure with a larger glass-forming ability (GFA); hence, amorphous alloys prepared by industry-grade raw materials can be well produced in an air atmosphere. The melted alloy has higher stability and larger GFA when there is no dominant cluster or when multi-species clusters coexist. The Fe82Si4B11P3 amorphous alloy exhibited a high saturation magnetic flux density of up to 1.66 T, a low coercivity of about 2.2 A/m, and a high effective permeability of more than 1.2 × 104 at 1 kHz under a field of 1 A/m. The combination of excellent soft-magnetic properties, good productivity and low cost stability suggest that the FeSiBP alloys are promising soft-magnetic materials, particularly with applications in the electronic industry.
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This work was supported by the National Natural Science Foundation of China under Grant 51341002, by the Science and Technology Program of Beijing under Grant Z141100003814007, and by the National Scientific and Technological Support Projects under Grant 2013BAE08B01.
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Gao, H., Xiang, R., Zhou, S. et al. The influence of P on glass forming ability and clusters in melt of FeSiBP amorphous soft-magnetic alloy. J Mater Sci: Mater Electron 26, 7804–7810 (2015). https://doi.org/10.1007/s10854-015-3428-y
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DOI: https://doi.org/10.1007/s10854-015-3428-y