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Neodymium Magnet

Country/Region china
Company China Ningbo Hilan Magnets Factory
Categories Sintered Neodymium Magnets
Telephone +86-512-66026079
ICP License Issued by the Chinese Ministry
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    Neodymium Magnet

    A neodymium magnet, also known as NdFeB magnet, NIB magnet, or Neo magnet, the most widely-used type of rare-earth magnet, is a permanent magnet made from an alloy of neodymium, iron, and boron to form the Nd2Fe14B tetragonal crystalline structure. Developed in 1982 by General Motors and Sumitomo Special Metals, neodymium magnets are the strongest type of permanent magnet ever made. They have replaced other types of magnet in the many applications in modern products that require strong permanent magnets, such as motors in cordless tools, hard disk drives, High quality Sound system and magnetic fasteners.

    Neodymium Magnet Feature:
    Neodymium magnets are easy to be corrosive. Coating or Plating applied to prevent corrosion and mechanical damage, such as colorful Zinc, Single Nickel, Double Nickel, NiCuNi, Gold, Silver,Black Epoxy, Nickel+Epoxy.

    1. Super strong Br Resident induction.
    2. Excellent demagnetization resistance capability.
    3. Reasonable Price relative to its high magnetic properties.
    4. Coating application is necessary for Neodymium Magnet.

    Neodymium Magnet are available in sintered as well as bonded forms. Sintered Neodymium Magnet will produce the highest magnetic properties. NdFeB is sensitive to heat and should not be used in the environments that exceed 200 degree centigrade. Neodymium Magnet are brittle (though not as brittle as the SmCo types), and machining operations should be performed prior to magnetization, using diamond tools. We are equipped to fabricate these materials to blueprint specifications.

    Physical and Mechanical Properties of Sintered Neodymium magnet :

    Thermal Conductivity7.7 kcal/m-h-°C
    Young’s Modulus1.7 x 104 kg/mm2
    Bending Strength24 kg/mm2
    Compressive Strength80 kg/mm2
    Electrical Resistivity160 -ohm-cm/cm2
    Density7.4-7.55 g/cm3
    Vickers Hardness500 600

    Magnetic properties of Sintered Neodymium magnet :

    Grade
    Remanence
    Coercive Force
    Intrinsic Coercive Force
    Max. energy product
    Max.
    Operating
    Temperature
    Br mT (kGs)
    Hcb kA/m (kOe)
    Hcj kA/m (kOe)
    ( BH )max
    kJ/m3 (MGOe)
    Tw
    N27
    1030-1080(10.3-10.8)
    ≥ 796(10.0)
    ≥ 955 (12)
    199-231(25-29)
    80 ℃
    N30
    1080-1130(10.8-11.3)
    ≥ 796(10.0)
    ≥ 955(12)
    223-247(28-31)
    80 ℃
    N33
    1130-1170(11.3-11.7)
    ≥ 836(10.5)
    ≥ 955(12)
    247-271(31-34)
    80 ℃
    N35
    1170-1220(11.7-12.2)
    ≥ 868(10.9)
    ≥ 955(12)
    263-287(33-36)
    80 ℃
    N38
    1220-1250(12.2-12.5)
    ≥ 899(11.3)
    ≥ 955(12)
    287-310(36-39)
    80 ℃
    N40
    1250-1280(12.5-12.8)
    ≥ 907(11.4)
    ≥ 955(12)
    302-326(38-41)
    80 ℃
    N42
    Quality Neodymium Magnet for sale
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