Caractéristiques des aimants
| Material |
Tmax |
Energy |
Cost rel. |
| bonded ferrite |
100 °C |
5 kJ/m3 |
1 |
| isotropic ferrite |
150 °C |
7.5 kJ/m3 |
1 |
| ferrite baryum |
150 °C |
30 kJ/m3 |
2 |
| ferrite strontium |
150 °C |
35 kJ/m3 |
2 |
| Alnico isotropic |
200 °C |
15 kJ/m3 |
1.5 |
| Alnico anisotropic |
500 °C |
50 kJ/m3 |
1.5 |
| Samarium-Co 1/5 |
250 °C |
150 kJ/m3 |
3 |
| Samarium-Co 2/17 |
350 °C |
200 kJ/m3 |
3 |
| Neodim-Fer-Bore |
150 °C |
280 kJ/m3 |
5 |
|
Caractéristiques des aimants - suite
| Material |
α (Br) |
beta (Hc) |
Br (T) |
Hc (kA/m) |
| bonded ferrite |
-0.2 % |
0.3 % |
0.155 |
100 |
| isotropic ferrite |
-0.2 % |
0.3 % |
0.22 |
135 |
| ferrite baryum |
-0.2 % |
0.6 % |
0.4 |
160 |
| ferrite strontium |
-0.2 % |
0.4 % |
0.42 |
265 |
| Alnico isotropic |
-0.02 % |
0.01 % |
0.65 |
90 |
| Alnico anisotropic |
-0.02 % |
0.01 % |
1.3 |
50 |
| Samarium-Co 1/5 |
-0.04 % |
0.2 % |
0.85 |
700 |
| Samarium-Co 2/17 |
-0.04 % |
0.2 % |
1.1 |
550 |
| Neodim-Fer-Bore |
-0.01 % |
0.55 % |
1.2 |
900 |
|