NdFeB

Sintered NdFeBSintered NdFeB is a most general permanent magnet of rare earth,Website:http://www.ceramic-metal-parts.com,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 PropertiesTemp.coeff.of.Br    -0.1%/℃Temp.Coeff.of.Hcj       -0.60%/℃Density           7.4-7.8 g/cm3Electrical Resistivity      144μΩVickers Hardness   600HvFlexural Strength         25kg/mmTensile Strength    8.0kg/m m3Coeff of Thermal Expansion 4*10-6/℃Specific Heat    0.12kCal(kg·℃)Thermal Conductivity 7.7kCal(m·h·℃)Young’s Modullus  1.6x1011 N/m3Rigidity                 0.64 N/m3Poisson’s Ratio     0.24Compressibility         9.8*10-12 m2 /NCurie Temperature   310-340℃Relativerecoil permeability μrev  1.05