RES
MATERIAL TYPE
Metallic Alloy
SURFACE PROTECTION
Not necessary
ORIENTATION
Axial / Diametral
MAGNETIZATION
Single or multiple poles on the functional surface
|
Sm1 Co5 |
Sm2 Co17 |
||
|
Br TEMPERATURE COEFFICIENT* |
% / °C |
– 0,045 |
– 0,035 |
|
HcJ TEMPERATURE COEFFICIENT* |
% / °C |
-0,19 | -0,24 |
*The temperature coefficients are nominal reference values only. They can vary for different temperatures and don’t need to be linear.
**The maximum operating temperature is depending on the magnet shape. size and on the specific application.
| Sm1 Co5 | Sm2 Co17 | ||
| CURIE TEMPERATURE | °C | 710 | 770 |
| RECOIL PERMEABILITY | (μr) | 1,03 | 1,05 |
| SATURATION FIELD | kOe | >25 | >25 |
| ELECTRICAL RESISTIVITY | Ω m | 6×10^-8 | 80×10^-8 |
| COMPRESSIVE STRENGTH | N/mm2 | ~ 850 | ~ 800 |
| DENSITY | g/cm3 | ~ 8,3 | ~ 8,3 |
| FLEXURAL STRENGTH | N/mm2 | 100-150 | 100-150 |
| TENSILE STRENGTH | N/mm2 | 59 | 40 |
| VICKERS HARDNESS | HV | ~600 | ~600 |
| YOUNG’S MODULUS | N/mm2 | 150×10^3 | 180×10^3 |
| SPECIFIC HEAT | kcal/kg/°C | 0,08-0,09 | 0,08-0,09 |
| THERMAL CONDUCTIVITY | kcal/m/hr/°C | 8 | 8-9 |
| THERMAL EXPANSION COEF c | 10-6/ °C | 7 | 10 |
| THERMAL EXPANSION COEF // c | 10-6/ °C | 12 | 5 |
