Preparation and properties of anisotropic Nd2Fe14B/α-Fe nanocomposite magnets - 文章详情页

作者：

Niu, Peili (Niu, Peili.) | Zhang, Jiuxing (Zhang, Jiuxing.) | Yue, Ming (Yue, Ming.) (学者：岳明) | Li, Yongli (Li, Yongli.)

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摘要：

Full　dense　isotropic　and　anisotropic　Nd2Fe14B/α-Fe　nanocomposite　magnets　were　prepared　via　sonochemistry　method,　spark　plasma　sintering　(SPS)　and　hot　deformation　method.　The　effects　of　α-Fe　volume　fraction　on　the　structure　and　magnetic　properties　of　the　magnets　were　investigated.　For　the　isotropic　magnets,　the　exchanging　coupling　and　remanence　increase　as　the　α-Fe　content　increases.　For　the　anisotropic　magnets,　only　the　magnets　with　no　more　than　2%　α-Fe　exhibit　strong　c-axis　crystal　texture　of　Nd2Fe14B　phase,　and　the　better　magnetic　properties　are　Br=1.367　T,　Hci=712　kA/m,　(BH)m=　327　kJ/m3.

关键词：

Anisotropy Bromine compounds Iron compounds Magnetic properties Magnets Nanocomposites Sonochemistry Spark plasma sintering Textures

作者机构：

[ 1 ] [Niu, Peili]The Key Laboratory of Advanced Functional Materials, Ministry of Education, Beijing University of Technology, Beijing 100022, China
[ 2 ] [Zhang, Jiuxing]The Key Laboratory of Advanced Functional Materials, Ministry of Education, Beijing University of Technology, Beijing 100022, China
[ 3 ] [Yue, Ming]The Key Laboratory of Advanced Functional Materials, Ministry of Education, Beijing University of Technology, Beijing 100022, China
[ 4 ] [Li, Yongli]The Key Laboratory of Advanced Functional Materials, Ministry of Education, Beijing University of Technology, Beijing 100022, China

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