The effect of multi-scale Cu distribution regulation on magnetic properties of Sm(CoFeCuZr)(z) magnets - 文章详情页

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摘要：

Correlation　between　Cu　distribution　and　magnetic　properties　was　studied　for　Sm(CobalFe0.28Cu0.07Zr0.02)(7.6)　magnets　prepared　by　conventional　powder　metallurgical　techniques.　It　reveals　that　the　micrometer　scale　Cu　distribution　homogeneity　before　aging　treatment　has　a　profound　influence　on　the　cell　structure,　nanometer　scale　Cu　distribution,　which　determines　the　magnetization　and　demagnetization　behavior　as　well　as　magnetic　properties　of　the　magnets.　By　tuning　the　solution　treatment　conditions,　magnet　with　optimal　magnetic　properties　(remanence　of　11.5　kG,　coercivity　of　23.4　kOe,　and　maximum　energy　product　of　30.3　MGOe)　was　prepared.

关键词：

Energy density Cu concentration Cellular structure Coercivity Pinning field Sm(CoFeCuZr)(z) magnets

作者机构：

[ 1 ] [Shang, Z. F.]Beijing Univ Technol, Coll Mat Sci & Engn, Key Lab Adv Funct Mat, Minist Educ China, Beijing 100124, Peoples R China
[ 2 ] [Yue, M.]Beijing Univ Technol, Coll Mat Sci & Engn, Key Lab Adv Funct Mat, Minist Educ China, Beijing 100124, Peoples R China
[ 3 ] [Li, Y. Q.]Beijing Univ Technol, Coll Mat Sci & Engn, Key Lab Adv Funct Mat, Minist Educ China, Beijing 100124, Peoples R China
[ 4 ] [Zhang, D. T.]Beijing Univ Technol, Coll Mat Sci & Engn, Key Lab Adv Funct Mat, Minist Educ China, Beijing 100124, Peoples R China
[ 5 ] [Xie, Z. H.]Beijing Univ Technol, Coll Mat Sci & Engn, Key Lab Adv Funct Mat, Minist Educ China, Beijing 100124, Peoples R China
[ 6 ] [Wang, Y. Q.]Beijing Univ Technol, Coll Mat Sci & Engn, Key Lab Adv Funct Mat, Minist Educ China, Beijing 100124, Peoples R China

通讯作者信息：

岳明
[Yue, M.]Beijing Univ Technol, Coll Mat Sci & Engn, Key Lab Adv Funct Mat, Minist Educ China, Beijing 100124, Peoples R China

电子邮件地址：

yueming@bjut.edu.cn

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