指出了文献[1]中的一个错误.给出了不同模型的稀土永磁材料以及磁记录材料的矫顽力Hc和有效激活体积υ之间的正确关系,这样的关系被表示成一个复杂的函数关系,同时指出,对不同模型的稀土磁性材料,这个函数关系是不同的.
参考文献
| [1] | Liu J F;Luo H L .On the coercive force and effective activation volume in magnetic materials[J].Journal of Magnetism and Magnetic Materials,1991,94:43. |
| [2] | Wohlfarth E P .The coefficient of magnetic viscosity[J].Journal of Physics,1984,F14:L155. |
| [3] | Gaunt P .Magnetic viscosity and thermal activation energy[J].Journal of Applied Physics,1986,59:4129. |
| [4] | 周寿增.稀土永磁材料及其应用[M].北京:冶金工业出版社,1990:364. |
| [5] | Liu Jinfang;Pan Shuming;Luo helie et al.Thermal fluctuation field in NdFeB permanent magnets[J].Journal of Physics D:Applied Physics,1991,24:384. |
| [6] | Gaunt P .Ferromagnetic domain wall pinning by a random array of inhomogeneities[J].PHILOSOPHICAL MAGAZINE B-PHYSICS OF CONDENSED MATTER STATISTICAL MECHANIC,1983,48:261. |
| [7] | Gaunt P;Mylvaganam C K .Domain-wall pinning and nucleation in SmCo5 sintered magnet alloys[J].PHILOSOPHICAL MAGAZINE B-PHYSICS OF CONDENSED MATTER STATISTICAL MECHANIC,1981,44:569. |
| [8] | O'Grady K;Chantrell R W .The temperature variation of the coefficient of magnetic viscosity[J].Journal of Magnetism and Magnetic Materials,1986,755:54-57. |
上一张
下一张
上一张
下一张
计量
- 下载量()
- 访问量()
文章评分
- 您的评分：
-
10%
-
20%
-
30%
-
40%
-
50%