On the optimization of soft magnetic properties of high Bs Fe 83.7B14.8Cu1.5 nanocrystalline alloy

S. N. Kane, Kalpana Singh, Nandkishor Ghodke, A. Gupta, L. K. Varga

Research output: Contribution to journalConference article

1 Citation (Scopus)

Abstract

Influence of thermal annealing as a function of temperature and time, in Fe83.7B14.8Cu1.5 alloy was monitored using magnetic measurements, differential scanning calorimetery (DSC), X- ray diffraction (XRD) to get information on correlation between structure, formed nano-crystalline phases and soft magnetic properties. Thermal annealing dependence of coercivity (Hc) and saturation magnetization (B 2000) shows that these values are affected by the structural relaxation and the presence of the precipitated nanocrystals in the amorphous phase. For the studied samples lowest coercivity of 14.6 A/m and rather high saturation induction value of 1.99 Tesla was obtained after annealing at 390 °C/1h. Activation energy of crystallization is 1.82 ± 0.48 eV. Grain diameter and volume fraction of the nanograins varies between 16.5 - 29 nm and between 2 - 56 % respectively. Lattice parameter suggests the presence of α-Fe and Fe23B6 phase.

Original languageEnglish
Article number012015
JournalJournal of Physics: Conference Series
Volume365
Issue number1
DOIs
Publication statusPublished - Jan 1 2012
EventInternational Conference on Recent Trends in Physics, ICRTP 2012 - Indore, India
Duration: Feb 4 2012Feb 5 2012

ASJC Scopus subject areas

  • Physics and Astronomy(all)

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