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Ceramic Ring Magnet

Country/Region china
Company Hangzhou Lanyatu Magnetic Materials Co., Ltd
Categories Rare Earth Magnets
Telephone +86-571-82713478,+8613758112098
ICP License Issued by the Chinese Ministry
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    Ceramic Ring Magnet

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    Ceramic Ring Magnet

    Ceramic Ring Magnet Model No. LYT18-CR-0001 Description Material: Ceramic Grade: C5,C8,Y30,Y30BH, Dimensions: Outer-Diameter x Inner-Diameter x Height Tolerance: +/-0.13 Coating: N/M Magnetized direction. Application Ceramic Magnets Ceramic (ferrite) magnets are composed of strontium carbonate...
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    Description

    Ceramic Ring Magnet

    Model No. LYT18-CR-0001

    Description

    Material: Ceramic

    GradeC5,C8,Y30,Y30BH,

    Dimensions: Outer-Diameter x Inner-Diameter x Height

    Tolerance: +/-0.13

    Coating: N/M

    Magnetized direction.

    Application

    Speaker magnets

    Magnetos

    DC brushless motors

    Reed switches

    Separators

    Magnetic Resonance Imaging (MRI)

    Ceramic Magnets

    Ceramic (ferrite) magnets are composed of strontium carbonate and iron oxide. They are charcoal gray in color and usually appear in the forms of discs, rings, blocks, cylinders, and sometimes arcs for motors.

    They are generally formed by a compression or extrusion molding technique which is then followed by sintered. The material to be molded can be in either a dry powder or wet slurry form. Ferrite has higher coercive force and higher resistance to be demagnetized and oxidized than other non-rare earth permanent magnets.

    Applications of Ceramic Magnets

    Speaker magnets

    DC brushless motors

    Magnetic Resonance Imaging(MRI)

    Magnetos used on lawnmowers and outboard motors

    DC permanent magnet motor (used in cars)

    Separators

    Used in magnetic assemblies designed for lifting, holding, retrieving and separating.

    Attributes of Ceramic Material

    High intrinsic coercive force

    Tooling is expensive

    Limited to simple shapes due to manufacturing process

    Finishing requires diamond cutting or grinding wheel

    Ceramic Magnets Grades & Properties

    Grade

    Br
    [mT]
    [Gs]

    HcB
    [KA/m]
    [Oe]

    HcJ
    [KA/m]
    [Oe]

    (BH)max
    [KJ/m3]
    [MGOe]]

    Curie Temp.
    [℃]

    Temp.Coe
    [%/℃]

    IEC standard
    IEC
    Equivalent

    Y10T

    200

    125

    210

    6.5

    450

    0.2

    Ceramic 1

    2000

    1600

    2600

    0.8

    Y20

    360

    135

    140

    20

    450

    0.2

    /

    3600

    1700

    1760

    2.5

    Y25

    380

    144

    150

    24

    450

    0.2

    /

    3800

    1800

    1880

    3

    Y30

    390

    200

    188

    27.6

    450

    0.2

    Ceramic 5

    3900

    2500

    2350

    3.4

    Y33

    410

    208

    212

    30.4

    450

    0.2

    /

    4100

    2600

    2660

    3.8

    Y35

    415

    240

    244

    31.8

    450

    0.2

    /

    4150

    3000

    3050

    4

    Y30BH

    390

    240

    256

    27.6

    450

    0.2

    Ceramic 8

    3900

    3000

    Quality Ceramic Ring Magnet for sale
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