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SmCo Magnets
SmCo Material Grade
Demagnetization Curves
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SmCo Magnets - Samarium Cobalt Magnets
 

Material Information

  • An alloy compose of SmCo5/Sm2Co17 produce by powder metallurgical method
  • Extremely hard & brittle
  • High demagnetization resistance
  • Excellent anti-corrosion properties
  • More expensive than SmCo magnets because of limited raw material supply
  • Outstanding thermal stability


Typical Physical Properties

Curie Temperature (C) 700-800
Maximum Operating Temperature (C) 250 for SmCo5, 350 for Sm2Co17
Resistivity (µ ohm.cm) 50-90
Hardness (Hv) 450-600
Density (g/cm3) 8.0-8.5
Relative Recoil Permeability (µrec) 1.10
Saturation Field Strength, kOe (kA/m) 37.5 (3000)
Temperature Coefficient of Br (%/C) -0.05 ~ -0.03
Temperature Coefficient of iHc (%/C) -0.25 ~ -0.19




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