Compositional optimization of high induction (>1.7T) FeCo-based nanocomposite alloys with enhancement of thermo-physical and magnetic properties

Compositional optimization of high induction (>1.7T) FeCo-based nanocomposite alloys with enhancement of thermo-physical and magnetic properties

The substitution of Fe with Co and B with Si is investigated in a series of high induction Fe84B13Nb2Cu1 amorphous alloys. The as-quenched melt-spun alloys are structurally amorphous in wheel side and a mild crystallites alongwith amorphous phase in air side. The alloy with 35 at% Co addition depict...

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Veröffentlicht in:Physica. B, Condensed matter Condensed matter, 2019-08, Vol.566, p.71-76
Hauptverfasser: Roy, Rajat K., Murugaiyan, Premkumar, Panda, Ashis K., Mitra, Amitava
Format: Artikel
Sprache:eng
Schlagworte:
Alloys
Amorphous alloys
Annealing
Coercivity
Crystallites
Crystallization
Curie temperature
Ferromagnetic
Magnetic properties
Magnetism
Melt spinning
Metallic glasses
Nanocomposite
Nanocomposites
Nanocrystallites
Optimization
Saturation induction
Thermal stability
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Zusammenfassung:The substitution of Fe with Co and B with Si is investigated in a series of high induction Fe84B13Nb2Cu1 amorphous alloys. The as-quenched melt-spun alloys are structurally amorphous in wheel side and a mild crystallites alongwith amorphous phase in air side. The alloy with 35 at% Co addition depicts improved thermal stability, saturation induction and coercivity, and the optimal combination of soft magnetic properties is achieved for an extended annealing temperature range. The additional 10 at% Si deteriorates soft magnetic properties.
ISSN:0921-4526
1873-2135
DOI:10.1016/j.physb.2019.04.034