Abstract
Amorphous Soft magnetic composites have the advantages of high resistance, excellent saturation magnetization, and low coercivity. However, due to the high amorphous hardness, the compression density of the soft magnetic composite prepared by it is low. In order to improve the difficulty of pressing amorphous Soft magnetic composites, the Soft magnetic composites with excellent soft magnetic properties and high pressing density were prepared by adding reduced iron powder and carbonyl iron powder to the amorphous powders of FeSiBCr in this work. The results show that the density of Soft magnetic composites with 20 wt% reduced iron powder increases by 14.2%, and the density of Soft magnetic composites with 20 wt% carbonyl iron powder increases by 13.5%. The Soft magnetic composites because of the addition of reduced iron powder with 30 wt% has a higher real permeability of 63 and a lower virtual permeability of 4.77. The Soft magnetic composites with 20 wt% carbonyl iron powder added have the highest real permeability of 55 and the lowest virtual permeability of 0.95. The real part value of the soft magnetic composite without adding iron powder is 23.7% lower than that of the Soft magnetic composites with 20 wt% reduced iron powder, and 18% lower than that of the Soft magnetic composites with 20 wt% carbonyl iron powder. When the carbonyl iron powder content is 20 wt%, the Soft magnetic composites of carbonyl iron powder have the lowest magnetic loss value of 20.6 W/kg and the highest quality factor of 58 (Bm = 0.05T, f = 100 kHz). The magnetic loss of Soft magnetic composites with 20 wt% reduced iron powder (416.3 W/kg) is 39% higher than that of carbonyl iron powder with 20 wt% reduced iron powder (254.2 W/kg) (Bm = 0.05T, f = 200 kHz).
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Funding
This work was supported by Key Scientific and Technological Project of Henan Province (Grants No: 232102230055), the National Natural Science Foundation of China (Grants No: U1904175), and Key scientific research projects of colleges and universities in Henan Province (24A430050).
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Shen Wu contributes to conceptualization, methodology, investigation, visualization, and writing-review editing; Xiaoran Sun contributes to conceptualization, methodology, investigation, visualization, and writing-original draft; Jianglei Fan contributes to conceptualization, methodology, investigation, resources, and visualization; Xiangkui Zhou contributes to conceptualization, methodology, investigation, and writing-review editing, supervision; Jianxiu Liu performed formal analysis, date curation, writing-editing, and helped with resources; Yan Wang performed review and contributed to methodology; Ying Li helped with resources.
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Wu, S., Sun, X., Fan, J. et al. Preparation and magnetic properties of hybrid FeSiBCr amorphous Soft magnetic composites with carbonyl iron and reduced iron particles. J Mater Sci: Mater Electron 35, 925 (2024). https://doi.org/10.1007/s10854-024-12666-6
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DOI: https://doi.org/10.1007/s10854-024-12666-6