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Other Injection Molding Magnets
In addition to conventional magnets, there are also magnets of special composition used in some special occasions and equipment, such as FeCoW alloy, CoFeNi alloy, SmFeN magnet and so on.
SmFeN magnet is an anisotropic magnet that is mixed and granulated by SmFeN magnetic powder and PA12, then injected and molded in an oriented magnetic field. SmFeN material does not contain metallic Co and other HRE elements which is cheaper than NdFeB. Its oxidation resistance and corrosion resistance are better than NdFeB, which is 2 to 3 times that of similar NdFeB materials. Products are mainly used in sensors, motors, etc.
The injected samarium cobalt magnet is an anisotropic magnet that is mixed and granulated by SmCo magnetic powder and PA12, and then injected and molded in an oriented magnetic field. The injected samarium cobalt magnet has better magnetic properties and temperature stability, and the temperature resistance and irreversible loss of magnetic flux are better than injected NdFeB. Products are mainly used in motors, sensors, etc.