JOURNAL OF LIGHT INDUSTRY

CN 41-1437/TS  ISSN 2096-1553

Volume 35 Issue 5
October 2020
Article Contents
    WU Shen, LI Jiechao, WANG Xiaowei, et al. Development of high-frequency low-loss soft magnetic composites[J]. Journal of Light Industry, 2020, 35(5): 61-70. doi: 10.12187/2020.05.009
    Citation: WU Shen, LI Jiechao, WANG Xiaowei, et al. Development of high-frequency low-loss soft magnetic composites[J]. Journal of Light Industry, 2020, 35(5): 61-70. doi: 10.12187/2020.05.009 shu

    Development of high-frequency low-loss soft magnetic composites

    • 1. College of Mechanical and Electrical Engineering, Zhengzhou University of Light Industry, Zhengzhou 450002, China;

    • 2. He'nan Kunhua Tongsheng Construction Engineering Co., Ltd., Nanyang 473000, China

    • Received Date: 2020-05-06
    • The research status from magnetic substrate design, insulation coating treatment and new preparation technology were reviewed.It pointed out that the density and resistivity of soft magnetic composites could be effectively improved by using magnetic powders with different characteristics to complement the performance or controlling the morphology of the substrate during the design of the magnetic substrate. The insulation coating treatment could be used to increase the resistivity of the soft magnetic composite to reduce eddy current loss, but the addition of non-magnetic phase insulation materials would lead to a decrease in the magnetic permeability and saturation magnetization of the material. The optimized new preparation technology could effectively improve the performance of soft magnetic composite materials, such as plasma sintering, microwave sintering and laser sintering. The current comprehensive performance of soft magnetic composite materials could not meet the development needs of high frequency and miniaturization of electronic components.The future research directions would be further optimization of substrate component design and particle size coordination, development of new coating materials, innovative preparation processes, optimization of process parameters, and perfection of theoretical models.
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