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neodymium magnet

neodymium magnet

Supply Ability : 60 Ton/Tons per Month
Price : Get Latest Price
Packaging Details : sea or air standard shipping cartons
Delivery Time : 10-30 days
Port : Ningbo
Payment Terms : L/C,T/T,Western Union
MOQ : 500 Piece/Pieces MOQ according to the size
Place of Origin : Zhejiang
Brand Name : zhong shi
Composite : Neodymium Magnet
coating : Ni, Zn,Au
Model Number : N30~N33EH
Application : Industrial Magnet
Shape : Block
Type : Permanent
Category : Magnetic Materials
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neodymium magnet
high (Br), high (Hcj) and high (BH), various sizes, block shape, grade from N30 to N33EH
neodymium-magnet description--

At present time, Sintered NdFeB is one of the strongest magnet materials available. It contributes to the development of many small and flat motors used in the high-tech industry. It is high residual induction (Br), high intrinsic Coercive force (Hcj) and high Energy Product (BH), and is easily formed into various sizes, shapes. So they have been widely used in commercially available fields since the mid 1980's. makes it suitable for servo motors, disk brushless motors, stepping motors, IT industry, MRI, and audio products. For NdFeB, NdFeB Magents are prone to corrosion in humid environments, It usually need surface treatment according to customer's requirements to protect magnet. The surface treatment method include Zine,Nickel,Tin,Silver,Gold plating,Phosphor and Spray Epoxy Resin etc

-NdFeB Physical Properties

Temp.Coeff.of Br:


Temp.Coeff.of iHc:




Curie Temperature:


Vickers Hardness:


Electrical Resistivity:


Tensile Strength:


Flexural Strength:


Specific Heat:


Coef.of Thermal Expansion:


Thermal conductivity:


Young's Modulus:




Poisson's Ratio:



9.8x10-12 m2/N

Temperature Effects

Magnetic properties of NdFeB deteriorate rapidly above about 130 Centigrade, depending on the grade of material, and the permeance coefficient of the magnet in operation. The higher the permeance coefficient the magnet operates at, the higher the temperature it will withstand. High Hci NdFeB materials operating at a high permeance coefficient can operate to about 210 Centigrade.

Common Applications for Neodymium Iron Boron Magnets

Holding systems requiring very high holding forces, high field yoke magnets, high performance stepper, DC, servo, linear, and voice coil motors, magnetic bearings, magnetic couplings, loudspeakers, Halbach arrays, headphones, microphones, magnetic separation, instrumentation, switches, relays, magnetic resonance, sputtering, vacuum deposition, charged particle beam guidance, particle accelerators, Undulators, Wigglers, and others

Shapes, Sizes, and Grades Available

In addition to the stock shapes, sizes, and grades listed, others are available. Please inquire. Non-standard shapes and sizes can be fabricated to blueprint specifications from raw stock.

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