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Ferrite Magnets
Product Brief Introduction Hard ferrite magnet, made by molding powder mixture of about 80% Fe2O3 and about 20% either BaCo3 or SrO3, is also called ceramic magnet. Along with deepening of research, s..
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Description:
Product Brief Introduction
 
Hard ferrite magnet, made by molding powder mixture of about 80% Fe2O3 and about 20% either BaCo3 or SrO3, is also called ceramic magnet. Along with deepening of research, some additives such as cobalt (Co) and lanthanum (La) are mixed together to improve the magnetic performance. The molded powder metallic green is sintered inside a temperature controlled furnace what is heated with electricity or coal. Though hard ferrite magnet is with low magnetic property, it is still a preferable choice to engineer in their design due to several factors: abundantly available raw material，the cheapest cost among permanent magnet family, low density, excellent stability of chemistry, high maximum working temperature and Curie temperature.
 
Product Feature
 
Produced via powder metallurgy 
Chemical composition include: Ba/Sro-Fe2O3
Hard to be de-magnetized, with good anti-corrosion property
Widely applied in many fields with low price
Barium hard ferrite magnet and Strontium hard ferrite magnet divided
Wet & Dry Anistropic and Dry Isotropic provided
 
Production Flow Chart for Wet Anistropic Ferrite
 
Raw material preparation---Mixing---Pre-sintering---Powder milling---Press under magnetic field---Sintering---Machining---Cleaning---Magnetizing---Final inspection---Packing---Warehousing
 
Production Flow Chart for Dry Anistropic Ferrite
 
Raw material preparation---Mixing---Pre-sintering---Powder milling---Drying & Granulating---Press under magnetic field---Sintering---Machining---Cleaning---Magnetizing---Final inspection---Packing---Warehousing
 
Production Flow Chart for Dry Isotropic Ferrite
 
Raw material preparation---Mixing---Pre-sintering---Powder milling---Press without magnetic field---Sintering---Machining---Cleaning---Magnetizing---Final inspection---Packing---Warehousing
 
For technical parameters, please go to  Technical Data center to download.
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Ferrite Magnets