Sintered NdFeB Magnet
Magnet Material
Sintered rare neodymium magnet
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Sintered NdFeB
Known as the Third Generation of Rare Earth magnets, Neodymium-Iron-Boron (NdFeB) magnets are the most powerful and advanced commercialized permanent magnets today.
NdFeB magnets offer the best value when comparing performance, size and cost. They are moderate in price, very strong magnetically, and typically allow for dimensional reductions. They have poor resistance to corrosion and should have a coating or plating applied. Neodymium Iron Boron has good resistance to external demagnetization fields because of its high intrinsic Intrinsic Coercive Force (Hci). This resistance makes Neodymium magnets an excellent choice for electromechanical applications.
Why Choose Sintered NdFeB Magnet?
1. Chemical Composition: Nd2Fe14B.
Neodymium magnets are hard, brittle and easily corrode.
2. Moderate Temperature Stability.
Neodymium magnets lose -0.09 ~ -0.13% of Br/°C. They are working stability under 80°C for low Hci and can reach 200°C highest working temperature for high Hci.
3. Excellent strength value.
The highest (BH)max reaches up to 51MGOe .
4. Advanced Technology.
It choose Strip casting and HDDR technology allows us to make high performance NdFeB over N52 possible.
5. Effective Surface Treatment to Prevent Corrosion.
Surface treatments have been developed that allow them to be used in most applications. The treatments include gold, nickel, zinc, tin plating and epoxy resin coating.
6. Application for Sintered NdFeB Magnet Uses in Different Fields:
- Security systems Magnetic separators
- Magnetic resonance imaging Magnetic Chuck
- Specialty door catches Filters & strainers
- Sensors Speakers
- Microphone/earphone High performance motors
- Brushless motor Micromotor / servo motor
- VCM(voice coil motor) Automobiles
- Magnetic coupling Other magnetic applications
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