{"title":"Sm-Nd-Fe-Co-N化合物及其粘结磁体的磁性","authors":"H. Yamamoto;T. Kumanbara;T. Kojima;K. Tomii","doi":"10.1109/TJMJ.1994.4565984","DOIUrl":null,"url":null,"abstract":"Experiments were carried out to investigate the magnetic and physical properties of (Sm\n<sub>1-x</sub>\nNd\n<sub>x</sub>\n)\n<sub>2</sub>\n(Fe\n<sub>0.8</sub>\nCo\n<sub>0.2</sub>\n)\n<sub>17</sub>\nN\n<sub>y</sub>\n (x=0 to 0.5) in which the value of y is 3. The anisotropy field (H\n<sub>A</sub>\n) in (Sm\n<sub>1-x</sub>\nNd\n<sub>x</sub>\n)\n<sub>2</sub>\n(Fe\n<sub>0.8</sub>\nCo\n<sub>0.2</sub>\n)\n<sub>17</sub>\nN\n<sub>y</sub>\n compounds decreased linearly with increasing x, while the saturation magnetization (J\n<sub>s</sub>\n) increased. It was found that the H\n<sub>A</sub>\n and J\n<sub>s</sub>\n of a (Sm\n<sub>0.9</sub>\nNd\n<sub>0.1</sub>\n)\n<sub>2</sub>\n(Fe\n<sub>0.8</sub>\nCo\n<sub>0.2</sub>\n)\n<sub>17</sub>\nN\n<sub>3.07</sub>\n compound were 10.4 MA/m and 193.6×10\n<sup>-6</sup>\n Wb-m/kg respectively. Anisotropic epoxy-bonded magnets were prepared from (Sm\n<sub>0.9</sub>\nNd\n<sub>0.1</sub>\n)\n<sub>2</sub>\n(Fe\n<sub>0.8</sub>\nCo\n<sub>0.2</sub>\n)\n<sub>17</sub>\nN\n<sub>3.07</sub>\n powder with particle size ranging from 3 to 5 μm by a compression molding process. The magnetic properties of a typical bonded magnet were (BH)\n<sub>max</sub>\n=101.8 kJ/m\n<sup>3</sup>\n, J\n<sub>r</sub>\n=0.89 T, H\n<sub>cJ</sub>\n=394 kA/m, and H\n<sub>cB</sub>\n=314 kA/m. Magnetization jumps were observed on the hysteresis loop of a bonded magnet at 7K.","PeriodicalId":100647,"journal":{"name":"IEEE Translation Journal on Magnetics in Japan","volume":"9 6","pages":"223-230"},"PeriodicalIF":0.0000,"publicationDate":"1994-11-01","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"https://sci-hub-pdf.com/10.1109/TJMJ.1994.4565984","citationCount":"1","resultStr":"{\"title\":\"Magnetic Properties of Sm-Nd-Fe-Co-N Compounds and Their Bonded Magnets\",\"authors\":\"H. Yamamoto;T. Kumanbara;T. Kojima;K. Tomii\",\"doi\":\"10.1109/TJMJ.1994.4565984\",\"DOIUrl\":null,\"url\":null,\"abstract\":\"Experiments were carried out to investigate the magnetic and physical properties of (Sm\\n<sub>1-x</sub>\\nNd\\n<sub>x</sub>\\n)\\n<sub>2</sub>\\n(Fe\\n<sub>0.8</sub>\\nCo\\n<sub>0.2</sub>\\n)\\n<sub>17</sub>\\nN\\n<sub>y</sub>\\n (x=0 to 0.5) in which the value of y is 3. The anisotropy field (H\\n<sub>A</sub>\\n) in (Sm\\n<sub>1-x</sub>\\nNd\\n<sub>x</sub>\\n)\\n<sub>2</sub>\\n(Fe\\n<sub>0.8</sub>\\nCo\\n<sub>0.2</sub>\\n)\\n<sub>17</sub>\\nN\\n<sub>y</sub>\\n compounds decreased linearly with increasing x, while the saturation magnetization (J\\n<sub>s</sub>\\n) increased. It was found that the H\\n<sub>A</sub>\\n and J\\n<sub>s</sub>\\n of a (Sm\\n<sub>0.9</sub>\\nNd\\n<sub>0.1</sub>\\n)\\n<sub>2</sub>\\n(Fe\\n<sub>0.8</sub>\\nCo\\n<sub>0.2</sub>\\n)\\n<sub>17</sub>\\nN\\n<sub>3.07</sub>\\n compound were 10.4 MA/m and 193.6×10\\n<sup>-6</sup>\\n Wb-m/kg respectively. Anisotropic epoxy-bonded magnets were prepared from (Sm\\n<sub>0.9</sub>\\nNd\\n<sub>0.1</sub>\\n)\\n<sub>2</sub>\\n(Fe\\n<sub>0.8</sub>\\nCo\\n<sub>0.2</sub>\\n)\\n<sub>17</sub>\\nN\\n<sub>3.07</sub>\\n powder with particle size ranging from 3 to 5 μm by a compression molding process. The magnetic properties of a typical bonded magnet were (BH)\\n<sub>max</sub>\\n=101.8 kJ/m\\n<sup>3</sup>\\n, J\\n<sub>r</sub>\\n=0.89 T, H\\n<sub>cJ</sub>\\n=394 kA/m, and H\\n<sub>cB</sub>\\n=314 kA/m. Magnetization jumps were observed on the hysteresis loop of a bonded magnet at 7K.\",\"PeriodicalId\":100647,\"journal\":{\"name\":\"IEEE Translation Journal on Magnetics in Japan\",\"volume\":\"9 6\",\"pages\":\"223-230\"},\"PeriodicalIF\":0.0000,\"publicationDate\":\"1994-11-01\",\"publicationTypes\":\"Journal Article\",\"fieldsOfStudy\":null,\"isOpenAccess\":false,\"openAccessPdf\":\"https://sci-hub-pdf.com/10.1109/TJMJ.1994.4565984\",\"citationCount\":\"1\",\"resultStr\":null,\"platform\":\"Semanticscholar\",\"paperid\":null,\"PeriodicalName\":\"IEEE Translation Journal on Magnetics in Japan\",\"FirstCategoryId\":\"1085\",\"ListUrlMain\":\"https://ieeexplore.ieee.org/document/4565984/\",\"RegionNum\":0,\"RegionCategory\":null,\"ArticlePicture\":[],\"TitleCN\":null,\"AbstractTextCN\":null,\"PMCID\":null,\"EPubDate\":\"\",\"PubModel\":\"\",\"JCR\":\"\",\"JCRName\":\"\",\"Score\":null,\"Total\":0}","platform":"Semanticscholar","paperid":null,"PeriodicalName":"IEEE Translation Journal on Magnetics in Japan","FirstCategoryId":"1085","ListUrlMain":"https://ieeexplore.ieee.org/document/4565984/","RegionNum":0,"RegionCategory":null,"ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":null,"EPubDate":"","PubModel":"","JCR":"","JCRName":"","Score":null,"Total":0}
Magnetic Properties of Sm-Nd-Fe-Co-N Compounds and Their Bonded Magnets
Experiments were carried out to investigate the magnetic and physical properties of (Sm
1-x
Nd
x
)
2
(Fe
0.8
Co
0.2
)
17
N
y
(x=0 to 0.5) in which the value of y is 3. The anisotropy field (H
A
) in (Sm
1-x
Nd
x
)
2
(Fe
0.8
Co
0.2
)
17
N
y
compounds decreased linearly with increasing x, while the saturation magnetization (J
s
) increased. It was found that the H
A
and J
s
of a (Sm
0.9
Nd
0.1
)
2
(Fe
0.8
Co
0.2
)
17
N
3.07
compound were 10.4 MA/m and 193.6×10
-6
Wb-m/kg respectively. Anisotropic epoxy-bonded magnets were prepared from (Sm
0.9
Nd
0.1
)
2
(Fe
0.8
Co
0.2
)
17
N
3.07
powder with particle size ranging from 3 to 5 μm by a compression molding process. The magnetic properties of a typical bonded magnet were (BH)
max
=101.8 kJ/m
3
, J
r
=0.89 T, H
cJ
=394 kA/m, and H
cB
=314 kA/m. Magnetization jumps were observed on the hysteresis loop of a bonded magnet at 7K.
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