The Effect of Doping Cu Powders on Mechanical Properties and Magnetic Properties of Sm(CoFeCuZr)(z) Sintered Magnets - 文章详情页

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摘要：

The　effect　of　doping　Cu　on　the　mechanical　properties　and　magnetic　properties　of　Sm(Co0.71Fe0.15Cu0.07Zr0.03)(7.6)　magnets　was　studied　systematically.　The　results　show　that　the　Cu-lean　grain　boundaries　and　bending　strength　of　the　magnet　can　be　improved　by　increasing　of　doping　Cu　content.　The　optimal　magnetic　properties　of　magnet　with　1.0　wt%　Cu　doping　are　B-r　=　9.9　kG,　H-cj　=　23.0　kOe,　and　(BH)(max)　=　22.2　MGOe.　With　the　doping　content　of　Cu　powders,　the　bending　strength　first　reaches　a　peak　value　of　143.0　MPa　at　1.0　wt%　and　then　drops.　The　bending　strength　of　the　magnet　with　1.0　wt%　Cu　doping　is　about　51.8%　higher　than　that　of　the　magnet　with　0　wt%　Cu　doping.　The　coercivity　and　bending　strength　of　the　magnet　are　improved.

关键词：

permanent magnets mechanical properties Doping Cu powders Sm(CoFeCuZr)(z)

作者机构：

[ 1 ] [Qiao, P. B.]Beijing Univ Technol, Coll Mat Sci & Engn, Key Lab Adv Funct Mat, Minist Educ China, Beijing 100124, Peoples R China
[ 2 ] [Zhang, D. T.]Beijing Univ Technol, Coll Mat Sci & Engn, Key Lab Adv Funct Mat, Minist Educ China, Beijing 100124, Peoples R China
[ 3 ] [Wu, S.]Beijing Univ Technol, Coll Mat Sci & Engn, Key Lab Adv Funct Mat, Minist Educ China, Beijing 100124, Peoples R China
[ 4 ] [Shang, Z. F.]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 ] [Liu, W. Q.]Beijing Univ Technol, Coll Mat Sci & Engn, Key Lab Adv Funct Mat, Minist Educ China, Beijing 100124, Peoples R China
[ 7 ] [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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