Hard Ferrite Magnets Ceramic Magnet Round Disk

Ceramic Magnets Hard Ferrite Magnet

Commonly, Hard Ferrite Magnet is compund by ceramic Fe2O3,BaCO3 or SrCo3 powders.Soft ferrite magnets are compunded by Fe2O4,Zinc,Nickel and Manganess.The density of ferrite magnets about 5g/cm3,They are both electrically nonconductive and ferrimagnetic.  Hard ferrites have higher coercivity and higher remanence after magnetization.  Ferrite magnets are cheap and widely applied in house hold appliance like horse shoe shaped 
magnets, metric motors, loud speakers, earphones .Soft ferrite magnets have been extensively used in the cores
of RF tranformers , 
inductors, magnetic recorders.

Due to the low cost, ferrite magnets is a widely applied permanent magnet materials.
Hard Ferrite Magnets Ceramic Magnet Round Disk
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