Ferrite magnets

Available since the mid-1950s, ferrite magnets are used in many applications due to their relatively low manufacturing cost. 

Ferrite magnets are made of more than 80% of iron oxide and contain strontium or barium depending on the desired magnetic properties and are available in isotropic and anisotropic versions. The machining of this type of magnet requires diamond tools. Relatively brittle, this material is very resistant to corrosion, acids and solvents, and its magnetic properties are maintained under widely varying temperatures (-40 to + 250°C).

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