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Samarium Cobalt Rare Earth Magnets
SmCo permanent magnets are a superior permanent magnetic material with high magnetic properties as well as strong corrosion resistance, oxygenation resistance, low temperature coefficient, high Curie temperature, and the ability to be used in higher ambient temperatures. SmCo permanent magnets are widely used in motors, instruments, sensors, detectors, radars, and other high-tech fields.
Description
SmCo Devices, Microwave tube magnetic system, magnetic actuator, magnetic sensor, magnetic, magnetic devices, and other processor magnetic application systems.
The appearance of shape and size structure and device design according to the customer demand for the production of magnetic products.
This kind of product in the Chinese amounted to more than 90%.
Composition | Sm2Co17 XG 32 30 28 26 24 22 | SmCo5 | ||
Physical characteristics | ||||
Curie temperature | ℃ | 800 to 850 | 700 to 750 | |
(K) | (1073 to 1123) | (973 to 1023) | ||
Thermal expansion coefficient | C// | 1℃ | 8×10-6 | 6×10-6 |
(1K) | (8×10-6) | (6×10-6) | ||
C⊥ | 1℃ | 11×10-6 | 13×10-6 | |
(1K) | (11×10-6 ) | (13×10-6) | ||
Thermal conductivity | Kcal/mhr℃ | 10 | 11 | |
(W/mK) | (12) | (13) | ||
Specific heat | Cal/g℃ | 8×10-2 | 9×10-2 | |
(J/kgK) | (335) | (377) | ||
Specific resistivity | Ω-cm | 8.6×10-5 | 5.3×10-5 | |
Mechanical characteristics | ||||
Deflection strength | Kg/mm2 | 15 | 18 | |
(N/m2) | (1.5×108) | (1.8×108) | ||
Compressive strength | Kg/mm2 | 82 | 102 | |
(N/m2) | (8×108) | (10×108) | ||
Tensile strength | Kg/mm2 | 3.6 | 4.1 | |
(N/m2) | (3.5×107) | (4×107) | ||
Young's modulus | Kg/mm2 | 1.2×104 | 1.6×104 | |
(N/m2) | (1.2×1011) | (1.6×1011) | ||
Vickers hardness | Hv | 500 to 600 | 450 to 500 | |
Temperature Characteristics
Reversible temperature coefficient
Temperature | -100℃ to -20℃ | 20℃ to 100℃ | 100℃ to 200℃ |
Sm2Co17 XG32 30 28 26 24 22 | -0.030%/℃ | -0.030%/℃ | -0.035%/℃ |
SmCo5 24 22 20 18 | -0.045 | -0.045 | -0.050 |
FAQ
Q: How can I get a sample to check your quality?
A: After price confirmation, you can require samples to check our quality.
Q: How long can I expect to get the sample?
A: After we fix all the sample details, it will be ready for delivery in 6-8 days.
The samples will be sent to you via express and arrive in 3-5 days.
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