期刊
CERAMICS INTERNATIONAL
卷 49, 期 16, 页码 27247-27254出版社
ELSEVIER SCI LTD
DOI: 10.1016/j.ceramint.2023.05.277
关键词
Composites; FeSiCr; YIG SMCs; Ferrites; Magnetic properties
FeSiCr soft magnetic composites (SMCs) with yttrium iron garnet (YIG) coating layer were studied. It was found that a moderate amount of YIG ferrite could form a thin and uniform layer, resulting in significant optimizations in core loss, permeability, and DC bias characteristics. The FeSiCr/YIG SMCs with 0.75 wt% YIG exhibited the best magnetic performance and the lowest core loss and largest permeability at the optimal annealing temperature of 500 degrees C. This study provides potential applications of FeSiCr/YIG SMCs in high-frequency fields.
FeSiCr soft magnetic composites (SMCs) with yttrium iron garnet (YIG) coating layer were studied in this work. The YIG with nano size was synthesized by reverse co-precipitation method, which was coated on FeSiCr powders with different YIG contents. The effect of the annealing temperature on the FeSiCr/YIG SMCs was also investigated. It was found that a moderate amount of YIG ferrite could form a thin and uniform layer, resulting in significant optimizations in core loss, permeability, and DC bias characteristics. The results show that the FeSiCr/ YIG SMCs with 0.75 wt% YIG exhibit the best magnetic performance (Pcv = 131.34 mW/cm3, lie = 44.5 at 10 mT and 500 kHz). In addition, it was demonstrated that the FeSiCr/YIG SMCs with 0.75 wt% YIG presented the lowest core loss and largest permeability at the optimal annealing temperature of 500 degrees C. This study provides a new kind of FeSiCr/YIG SMCs which have good prospects to be used in high-frequency fields.
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