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Ningbo future strong magnet material co.,ltd
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Price: | 0.01~100.0 USD |
Payment Terms: | T/T,L/C |
Place of Origin: | Zhejiang, China (Mainland) |
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Comparison of physical properties of sintered neodymium and Sm-Co magnets | ||
Property | Neodymium | Sm-Co |
Remanence (T) | 1–1.3 | 0.82–1.16 |
Coercivity (MA/m) | 0.875–1.99 | 0.493–1.59 |
Permeability | 1.05 | 1.05 |
Temperature coefficient of remanence (%/K) | –0.12 | –0.03 |
Temperature coefficient of coercivity (%/K) | –0.55..–0.65 | –0.15..–0.30 |
Curie temperature (°C) | 320 | 800 |
Density (g/cm3) | 7.3–7.5 | 8.2–8.4 |
CTE, magnetizing direction (1/K) | 5.2×10–6 | 5.2×10–6 |
CTE, normal to magnetizing direction (1/K) | –0.8×10–6 | 11×10–6 |
Flexural strength (N/mm2) | 250 | 150 |
Compressive strength (N/mm2) | 1100 | 800 |
Tensile strength (N/mm2) | 75 | 35 |
Vickers hardness (HV) | 550–650 | 500–550 |
Electrical resistivity (Ω·cm) | (110–170)×10–6 | 86×10–6 |