NdFeB

NdFeB

Sintered NdFeB Sintered NdFeB is a most general permanent magnet of rare earth,which possesses high maximum magnetic energy and high intrinsic coercive forve.It is widely used in motor,speakers,magnetic separator,magnetic therapeutics and other high-tech fields. NdFeB Physical Properties

Sintered NdFeB

Sintered NdFeB is a most general permanent magnet of rare earth,which possesses high maximum magnetic energy and high intrinsic coercive forve.It is widely used in motor,speakers,magnetic separator,magnetic therapeutics and other high-tech fields.

NdFeB Physical Properties

Temp.coeff.of.Br    -0.1%/?

Temp.Coeff.of.Hcj       -0.60%/?

Density           7.4-7.8 g/cm3

Electrical Resistivity      144µO

Vickers Hardness   600Hv

Flexural Strength         25kg/mm

Tensile Strength    8.0kg/m m3

Coeff of Thermal Expansion 4*10-6/?

Specific Heat    0.12kCal(kg·?)

Thermal Conductivity 7.7kCal(m·h·?)

Young’s Modullus  1.6x1011 N/m3

Rigidity                 0.64 N/m3

Poisson’s Ratio     0.24

Compressibility         9.8*10-12 m2 /N

Curie Temperature   310-340?

Relativerecoil permeability µrev  1.05

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