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Journal of Materials Science: Materials in Electronics
Erschienen in: Journal of Materials Science: Materials in Electronics 4/2016

17.12.2015

Improvement of magnetic properties, microstructure and magnetic structure of Fe73.5Cu1Nb3Si15.5B7 nanocrystalline alloys by two-step annealing process

verfasst von: Yabin Han, Anding Wang, Aina He, Chuntao Chang, Fushan Li, Xinmin Wang

Erschienen in: Journal of Materials Science: Materials in Electronics | Ausgabe 4/2016

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Abstract

Fe73.5Cu1Nb3Si15.5B7 nanocrystalline alloys were prepared by using conventional one-step annealing process and two-step annealing process. It was found that two-step annealing process can effectively improve soft magnetic properties and optimize microstructure. By separately controlling the formation of Cu clusters and further optimize the nanocrystalline structure, Bcc α-Fe with the grain size of 13 nm is formed in samples pretreated at 400 °C and nanocrystallized at 560 °C for 1 h. The samples exhibit excellent magnetic properties, such as lower coercive force of 0.7 A/m, higher initial permeability of 9.16 × 104, lower core loss of 0.18 W/kg at 0.7 T and 400 Hz, and 0.5 W/kg at 0.7 T and 1 kHz, respectively. The microstructure and magnetic structure evolution during different annealing processes were investigated. Correlation among the magnetic properties, magnetic structures and the microstructures changes in two different crystallization processes was studied systematically.
Vorheriger Artikel Synthesis and characterization of uniform spherical shape nanoparticles of indium oxide
Nächster Artikel Effect of Nd on tin whisker growth in Sn–Zn soldered joint

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Metadaten
Titel
Improvement of magnetic properties, microstructure and magnetic structure of Fe73.5Cu1Nb3Si15.5B7 nanocrystalline alloys by two-step annealing process
verfasst von
Yabin Han
Anding Wang
Aina He
Chuntao Chang
Fushan Li
Xinmin Wang
Publikationsdatum
17.12.2015
Verlag
Springer US
Erschienen in
Journal of Materials Science: Materials in Electronics / Ausgabe 4/2016
Print ISSN: 0957-4522
Elektronische ISSN: 1573-482X
DOI
https://doi.org/10.1007/s10854-015-4216-4

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