Alnico alloys basically consist of aluminum,nickel,cobalt,copper,iron and titanium.In some grades cobalt and/or titanium are omitted.Also these alloys may contain additions of silicon,columbium,zirconium or other elements which enhance heat treatment response of one of the magnetic characteristics.
They are manufactured through either a casting or sintering process. Cast magnets may be manufactured in complex shapes, such as horseshoes, not possible with other magnet materials.Sintered Alnicos offer slightly lower magnetic properties but better mechanical characteristics than cast Alnicos. |
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