Ferrite disc magnets can be fixed in place using adhesive or can be pushed into circular drilled holes in wood or plastic. Ferrite as a material has a very good resistance to corrosion and has a high maximum operating temperature making it a very versatile magnetic material. Ferrite disc magnets are commonly used in fridge magnets and for craft making.
The
working temperatur of ceramic magntes is between the working temperatures of
NdFeB magnet and SmCo/AlNiCo magnets. They have lower energy than NdFeB, SmCo
and alnico magnets.
Ceramic or hard ferrite magnets come in discs, cylinders, rings,
blocks,arcs/segment, ball and ellipses etc.
magnetic
ceramics, oxide materials that exhibit a certain type of permanent
magnetization called ferrimagnetism. Commercially prepared magnetic ceramics
are used in a variety of permanent magnet, transformer, telecommunications, and
information recording applications. This article describes the composition and
properties of the principal magnetic ceramic materials and surveys their main
commercial applications.
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