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    Combinatorial surface coating and greatly-improved soft magnetic performance of Fe/Fe3O4/resin composites

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    Name:
    Materials Chemistry and Physics -RH YU.pdf
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    5.098Mb
    Format:
    PDF
    Description:
    Accepted manuscript
    Embargo End Date:
    2021-11-21
    Download
    Type
    Article
    Authors
    Meng, Bingyang
    Yang, Bai
    Zhang, Xixiang cc
    Zhou, Bohui
    Li, Xiaopan
    Yu, Ronghai
    KAUST Department
    Material Science and Engineering Program
    Physical Science and Engineering (PSE) Division
    Date
    2019-11-21
    Online Publication Date
    2019-11-21
    Print Publication Date
    2020-02
    Embargo End Date
    2021-11-21
    Permanent link to this record
    http://hdl.handle.net/10754/660508
    
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    Abstract
    Structure-reinforced Fe/Fe3O4/resin soft magnetic composites (SMCs) have been fabricated through coating micron-sized Fe powders with high-purity Fe3O4 nanolayers and silicon resin films by combinatorial controlled oxidation and physical coating method. High magnetization Ms of 201 A m2 kg−1 can be reserved in the Fe/Fe3O4/resin SMCs due to high-purity ferrimagnetic Fe3O4 shells and low-content resin layers. The smooth Fe/Fe3O4 interfaces and uniform silicone resin coating layers in the Fe/Fe3O4/resin SMCs also lead to their low coercivity of 11.4 Oe and high compressed density of 7.50 g/cm3. For traditional metal-based SMCs fabricated by various common coating methods, their reduced core loss is usually achieved but accompanying with low magnetic induction and poor mechanical properties. In this work, high transverse rupture strength value of 92 MPa and greatly enhanced soft magnetic performance with both decreased core loss in accompany with high magnetic inductions are achieved for the fully densified Fe/Fe3O4/resin SMCs due to their well-structured composite interfaces, which promise their great latent applications for high-power and low-loss magnetic components.
    Citation
    Meng, B., Yang, B., Zhang, X., Zhou, B., Li, X., & Yu, R. (2020). Combinatorial surface coating and greatly-improved soft magnetic performance of Fe/Fe3O4/resin composites. Materials Chemistry and Physics, 242, 122478. doi:10.1016/j.matchemphys.2019.122478
    Sponsors
    This work was supported by the National Natural Science Foundation of China (under Grant No. 51920105001 and 51101007) and the Beijing Natural Science Foundation (under Grant No. 2132039).
    Publisher
    Elsevier BV
    Journal
    Materials Chemistry and Physics
    DOI
    10.1016/j.matchemphys.2019.122478
    Additional Links
    https://linkinghub.elsevier.com/retrieve/pii/S0254058419312908
    ae974a485f413a2113503eed53cd6c53
    10.1016/j.matchemphys.2019.122478
    Scopus Count
    Collections
    Articles; Physical Science and Engineering (PSE) Division; Material Science and Engineering Program

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