| 发明名称 |
PERMANENT MAGNET |
| 摘要 |
The present invention provides a permanent magnet with a composition ratio of RXT(100-X-Y)CY having a main phase with Nd5Fe17 type crystal structure, wherein: R is one or more rare earth elements including Sm as a necessary element, and the rare earth elements are Sm, Y, La, Pr, Ce, Nd, Eu, Gd, Tb, Dy, Ho, Er, Tm, Yb and Lu; and T is one or more transition metal elements including Fe or a combination of Fe and Co as necessary elements; and 15<X<40, 5<Y<15, 1.5<(100-X-Y)/X<4. |
| 申请公布号 |
US2016276075(A1) |
申请公布日期 |
2016.09.22 |
| 申请号 |
US201615074491 |
申请日期 |
2016.03.18 |
| 申请人 |
TDK CORPORATION |
发明人 |
ITO Masashi;KITAMURA Tomoko;TOMITA Masaki |
| 分类号 |
H01F1/057 |
主分类号 |
H01F1/057 |
| 代理机构 |
|
代理人 |
|
| 主权项 |
1. A permanent magnet with a composition ratio of RXT(100-X-Y)CY comprising a main phase with Nd5Fe17 type crystal structure, wherein:
R is one or more rare earth elements including Sm, and the rare earth elements are Sm, Y, La, Pr, Ce, Nd, Eu, Gd, Tb, Dy, Ho, Er, Tm, Yb and Lu; and T is one or more transition metal elements including Fe or a combination of Fe and Co; and 15<X<40, 5<Y<15, 1.5<(100-X-Y)/X<4. |
| 地址 |
Tokyo JP |
