Core-shell structured FeSiAl/SiO2 particles and Fe3Si/Al2O3 soft magnetic composite cores with tunable insulating layer thicknesses
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- 作者：Xi&rsquo ; an Fana ; b ; groupfxa@163.com" class="auth_mail" title="E-mail the corresponding author ; Jian Wanga ; b ; 1 ; snove418562@163.com" class="auth_mail" title="E-mail the corresponding author ; Zhaoyang Wua ; b ; 1 ; wustwuzhaoyang@163.com" class="auth_mail" title="E-mail the corresponding author ; Guangqiang Lia ; b ; 1 ; ligq-wust@mail.wust.edu.cn" class="auth_mail" title="E-mail the corresponding author
- 关键词：FeSiAl/SiO2 core&ndash ; shell particles ; Fe3Si/Al2O3 soft magnetic composite cores ; Magnetic properties ; Electrical properties ; Core loss
- 刊名：Materials Science and Engineering: B
- 出版年：2015
- 出版时间：November 2015
- 年：2015
- 卷：201
- 期：Complete
- 页码：79-86
- 全文大小：3209 K
文摘
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FeSiAl/SiO2 core–shell particles and Fe3Si/Al2O3 composite cores were prepared.
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SiO2 surrounding FeSiAl were replaced by Al2O3 during sintering process.
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Fe3Si particles were separated by Al2O3 with tunable thickness in composite cores.
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Fe3Si/Al2O3 had lower core loss and better frequency stability than FeSiAl core.
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The insulating layer between ferromagnetic particles can reduce core loss.