are composed of strontium carbonate and iron oxide. They are charcoal gray in color and usually we saw different sharp of ceramic(ferrite) magnets:discs ferrite magnets, rings ferrite magnets, blocks ceramic magnets, cylinders ferrite magnets, and sometimes arcs ferrite magnets for motors.
Ceramic (Ferrite) magnets are chemical compounds consisting of ceramic materials with iron(III) oxide (Fe2O3) as their principal component. Many of them are magnetic materials and they are used to make permanent magnets, ferrite cores for transformers, and in various other applications.Ferrites are, like most other ceramics, hard and brittle. In terms of the magnetic properties, ferrites are often classified as "soft Ceramic (Ferrite) magnets" and "hard Ceramic (Ferrite) magnets" which refers to their low or high coercivity of their magnetism, respectively.
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Attributes of Ceramic Magnet
·Least expensive material compared to alnico and
rare earth magnets
·High intrinsic coercive force
·Available in simple shapes only due to
manufacturing process
·Lower service temperature than alnico, greater than
rare earth
·Lower energy product than alnico and rare earth
magnets
·Most common grades of Y25,Y30,Y30H-1,Y30H-2,
Y32,Y33 ceramic are 1, 5 and 8 (1-8 possible)
·Least expensive material compared to alnico and
rare earth magnets
·High intrinsic coercive force
·Available in simple shapes only due to
manufacturing process
·Lower service temperature than alnico, greater than
rare earth
·Lower energy product than alnico and rare earth
magnets
·Most common grades of Y25,Y30,Y30H-1,Y30H-2,
Y32,Y33 ceramic are 1, 5 and 8 (1-8 possible)
