Alnico Magnets


Material Information

- Produce by casting or powder metallurgical techniques
- An alloy composed of matrix of Al-Ni-Fe-Co
- Very hard & brittle
- Poor resistance to demagnetization
- Produce good flux density at an reasonable cost
- Excellent stability over a wide temperature range

 


Typical Physical Properties
Parameter
Curie Temperature860
Maximum Operating Temperature525-550
Resistivity.cm47-54
HardnessHv520-630
Densityg/cm6.9-7.30
Relative Recoil Permeabilityrec1.70-4.70
Saturation Field StrengthkOe2.7-6.3
kA/m215-500
Temperature Coefficient of Br%/-0.025 ~ -0.02
Temperature Coefficient of iHc%/+0.01 ~ +0.03

Typical Magnetic Properties Click Here