Neodymium Iron Boron (NdFeB)Neodymium magnets (Nd-Fe-B) are composed of neodymium, iron, and a few transition metals. Samarium Cobalt magnets (SmCo) are composed of samarium, cobalt and iron. We develop these rare earth magnets that are extremely strong for their small size, metallic in appearance and available in simple shapes as rings, blocks and discs.
Manufacturing Rare Earth MagnetsUsually the elements are melted together and milled into a power that is dry-pressed to shape in the presence of a magnetic filed. The materials are then sintered, aged, ground to dimension, magnetism and tested and tested. They are called “rare earth” magnets because the elements of neodymium and samarium are classified as such in the lanthanides section of the periodic table of the elements.
Neodymium
Attributes of Neodymium- Very high resistances to demagnetization
- High energy for size
- Good in ambient temperature
- High priced
- Material is corrosive and should be coated for long term maximum energy output
- Low working temperature for heat applications
Application Of NeodymiumMagnetic separator, linear actuators, microphone assemblies, servomotors, DC Motors (automotive starters), computer rigid disc drives, hammer bank printers, and speakers.
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