Characteristics and Application Range of Samarium Cobalt Permanent Magnet
Release time:
2025-06-19
1. Samarium cobalt permanent magnets have high magnetic energy product and high coercivity, and their magnetic properties are superior to aluminum nickel cobalt permanent magnets and ferrite permanent magnets. The maximum magnetic energy product can reach 239kj/m3 (30mgoe), which is three times that of aluminum nickel cobalt permanent magnets and eight times that of ferrite permanent magnets (y40). Therefore, permanent magnet components made of SMCO permanent magnets are small in size, light in weight, and stable in performance. They can be used in electroacoustic telecommunications devices, motors, measuring instruments, gyroscopes, electronic clocks, microwave devices, magnetic machinery, sensors, and other static or dynamic magnetic circuits.
2. Samarium cobalt permanent magnet has a high Curie temperature and a small temperature coefficient, and can be used at high temperatures of 300 ℃.
3. Samarium cobalt permanent magnets have high hardness, brittleness, low bending strength, tensile strength, and compressive strength, and should not be used as structural components.
4. The main component of samarium cobalt permanent magnets is metallic cobalt (CO ≥ 99.95%), so the price is relatively expensive.
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