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Nanocrystalline Ribbons

Iron-based Nanocrystalline Alloy ribbons

Composition (at%): 0-1.0 Co, 0.5-1.5 Cu, 2-4 Nb, 20-25 Si+B, bal. Fe

Ribbon Thickness: 18-30 μm
Ribbon Width: 2-75 mm   
Initial Permeability:  (15 - 22) x 104
Max. Permeability:  ~ 100 x 104


Fe-based Nanocrystalline Ribbons can be used to replace  silicon steel,  Permalloy,  and ferriteas excellent materials to maketransformer cores for high-frequency switch mode power supplies, current transformer cores, transformer cores for ground-fault-interrupters, cores for filters, storage inductors, and reactors, EMC common mode chokes, sensor cores, cores for saturable reactors, magnetic amplifiers, beads, and pulse compressors.

--High saturation induction—minimizing the volume of transformers
--High permeability and low coercivity—increasing the efficiency of transformers and reducing distributional capacitance
--Low core loss—minimizing the temperature rise of transformers
--Excellent thermal stability—serving at 130

Physical Properties:

Saturation induction BS
1.25 T
Vickers hardness HV
880 kg/mm2
Curie temperature TC
560 oC
Density d
7.2 g/cm3
Crystallization temperature TX
510 oC
Resistivity ρ
130 µΩ·cm
Saturation magnetostriction coefficient λS

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