Description
Comparison of magnetic energy product
≥150˚C, Sm2Co17 30H ≥ NdFeB 38AH
≥120˚C, Sm2Co17 32H ≥ NdFeB 38AH
1. Good demagnetization resistance up to 350℃
2. Better corrosion resistance than that of NdFeB
3. High magnetic properties at high temperatures (150-350℃）
H series Sm2Co17 has been widely applied in automotive, aerospace and high speed motors industry, and exhibits excellent stability at temperature ≤350 ℃；
Magnetic Properties of Sintered H serious Sm2Co17
| Magnet Grade |
Max Energy Product | Remanance | Coercivity | Intrinsic Coercivity |
Reversible Temperature Coefficient |
Max Operating Temp | |||||
| (BH)max | Br | Hcb | Hcj | 20-150℃ | |||||||
| MGOe | kGs | kOe | kOe | |αBr| | |βHcj| | Tm | |||||
| kJ/m3 | T | kA/m | kA/m | %/℃ | ℃ | ||||||
| Typ | Min | Typ | Min | Typ | Min | Typ | Min | Typ | Typ | ||
Sm2Co17 H series
| 2:17 32H | 31 | 30 | 11.3 | 11.2 | 10.7 | 10.3 | 25 | 0.035 | 0.2 | 350 |
| 247 | 239 | 1.13 | 1.12 | 852 | 820 | 1990 | ||||
| 2:17 30H | 29 | 28 | 11 | 10.8 | 10.3 | 9.9 | 25 | 0.035 | 0.2 | 350 |
| 231 | 223 | 1.1 | 1.08 | 820 | 788 | 1990 | ||||
| 2:17 28H | 27 | 26 | 10.6 | 10.4 | 10 | 9.6 | 25 | 0.035 | 0.2 | 350 |
| 215 | 207 | 1.06 | 1.04 | 796 | 764 | 25 | ||||
| 2:17 26H | 25 | 24 | 10.2 | 10 | 9.6 | 9.2 | 25 | 0.035 | 0.2 | 350 |
| 199 | 191 | 1.02 | 1 | 764 | 732 | 1990 | ||||
| 2:17 24H | 23 | 22 | 9.8 | 9.6 | 9.2 | 8.8 | 25 | 0.035 | 0.2 | 350 |
| 183 | 175 | 0.98 | 0.96 | 732 | 701 | 1990 |
1.Max operating temperature has strong dependence on the working point.Data is for reference.
2.Data was tested at 20℃ with magnets of D10*10mm.
3.The reversible temperature coefficient(RTC) of Br was calculated between 20 and 150℃.
4.For other product details and specific requirements,please contact engineers
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