Journal
JOURNAL OF MAGNETISM AND MAGNETIC MATERIALS
Volume 403, Issue -, Pages 41-46Publisher
ELSEVIER SCIENCE BV
DOI: 10.1016/j.jmmm.2015.11.091
Keywords
Nano-eutectic structure; Bulk Fe-B-Si alloys; Soft magnetic property; Thermal stability
Funding
- Natural Science Foundation of China [50901059, 51431008]
- Fundamental Research Funds for the Central Universities of China [3102014KYJD002]
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The effects of Si addition on the nano-eutectic structure and soft magnetic properties of bulk Fe83B17-xSix (x=0-5 at%) alloy rods were investigated. The addition of Si increases the volume fraction of the alpha-Fe dendrite phase and decreases the average lamellar spacing of the eutectic structure to less than 100 nm. As a result, the intrinsic coercivity (Hc) is decreased effectively, while the saturation magnetization (Ms) remains stable. The annealing experiments of the Fe83B13Si4 alloy show further that addition of a less than 4 at% Si content can improve the thermal stability of the nano-lamellar eutectic structure and the soft magnetic properties. (C) 2015 Elsevier B.V. All rights reserved.
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