Optimizing the magnetic properties of Ce-containing Nd-Fe-B sintered magnets with La substitution - 文章详情页

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EI SCIE

摘要：

Ce　and　La-Ce　containing　magnets　with　the　compositions　of　[(La0.4Ce0.6)(0.4)Nd-0.6](31.5)FebalM2.02B0.96　and　(Ce0.4Nd0.6)(31.5)FebalM2.02B0.96　were　prepared　by　traditional　sintering　process.　The　results　shows　La　substitution　for　Ce　occurs　in　the　2:14:1　matrix　phase　which　suppress　the　formation　of　the　nonmagnetic　CeFe2　phase　in　the　magnet.　Moreover,　compared　to　the　Ce　containing　magnet,　the　grain　boundry　(GB)　phase　is　thinner　and　very　continuous　in　the　La-Ce　containing　magnet.　The　coercivity　and　the　maximum　energy　product　of　La-Ce　containing　magnet　increased　by　2　kOe　and　1.5　MGOe,　respecitively.

关键词：

Ce-containing Nd-Fe-B sintered magnets CeFe2 phase grain boundary La substitution magnetic properties

作者机构：

[ 1 ] [Li, Z.]Beijing Univ Technol, Coll Mat Sci & Engn, Key Lab Adv Funct Mat, Minist Educ China, Beijing 100124, Peoples R China
[ 2 ] [Liu, W. Q.]Beijing Univ Technol, Coll Mat Sci & Engn, Key Lab Adv Funct Mat, Minist Educ China, Beijing 100124, Peoples R China
[ 3 ] [Zhang, Z. P.]Beijing Univ Technol, Coll Mat Sci & Engn, Key Lab Adv Funct Mat, Minist Educ China, Beijing 100124, Peoples R China
[ 4 ] [Wu, D.]Beijing Univ Technol, Coll Mat Sci & Engn, Key Lab Adv Funct Mat, Minist Educ China, Beijing 100124, Peoples R China
[ 5 ] [Li, Y. Q.]Beijing Univ Technol, Coll Mat Sci & Engn, Key Lab Adv Funct Mat, Minist Educ China, Beijing 100124, Peoples R China
[ 6 ] [Yue, M.]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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