Alnico Magnet
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Alnico Magnets (Aluminium-Nickel-Cobalt Magnets)
 

Catalogue of Alnico Magnets (pdf)
Magnetic Properties (Material grades) of Alnico Magnets
Typical Demagnetization Curves
Customer Specific Magnets
Direction of Magnetization
More Information on Alnico Magnets
Other Magnetic Materials
Purchase Order Form for Alnico Magnets (Doc File)
Payment Terms (PDF Datei)
Form for Payment with Credit Card (Doc Datei)


Material Information
  • Production by casting or powder metallurgical techniques
  • An alloy composed of matrix of Al-Ni-Fe-Co
  • Excellent stability over a wide temperature range higher than 500C
  • Strong corrosion resistance capability without coating for surface protection
  • Good resistance to demagnetization from vibration and shock
  • Good flux density at an reasonable cost
  • Very hard & brittle

Typical Physical Properties
Curie Temperature (C) 860
Maximum Operating Temperature (C) 525-550
Resistivity (µ ohm.cm) 47-54
Hardness (Hv) 520-630
Density (g/cm3) 6.90-7.30
Relative Recoil Permeability (µrec) 1.70-4.70
Saturation Field Strength, kOe (kA/m) 2.7-6.3 (215-500)
Temperature Coefficient of Br (%/C) -0.025 ~ -0.02
Temperature Coefficient of iHc (%/C) +0.01 ~ +0.03


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