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Item
Parameters
Reference Value
Additional magnetic properties
Temp. Coeff. of Br (α(Br))/(%/K)
-0.08-0.12
Temp. Coeff. of Hcj (α(Hcj)/%/K)
-0.42-0.70
Curie Temperature (Tc)/K
310380
Recoil Permeability (μrec) [ - ]
1.05
Mechanical and physical properties
Density (g/cm3)
7.507.70
Vickers Hardness (Hv)
650
Electrical Resistivity (μΩ•m)
1.4
Compressive Strength MPa
1050
Tensile Strength MPa
80
Bending Strength
290
Thermal Conductivity (W/(m•K) )
68
Young’s Modulus GPa
160
Coefficient of Thermal Expansion (C∥)  (10-6/K)
6.5
 Coefficient of Thermal Expansion (C⊥)  (10-6/K)
-1.5



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     Keyword:NdFeB SmCo permanent magnet material Magnet Magnetite production