Effect of pulsed magnetic field on the Fe-based amorphous alloys | Zendy

Chao Yue-sheng | Zendy; Mingyang Li | Zendy; Geng Yan | Zendy; Jigang Liu | Zendy

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Effect of pulsed magnetic field on the Fe-based amorphous alloys

Author(s) -

Chao Yue-sheng,

Mingyang Li,

Geng Yan,

Jigang Liu

Publication year - 2004

Publication title -

acta physica sinica

Language(s) - English

Resource type - Journals

SCImago Journal Rank - 0.199

H-Index - 47

ISSN - 1000-3290

DOI - 10.7498/aps.53.3453

Subject(s) - materials science , amorphous solid , magnetic field , amorphous metal , grain size , field (mathematics) , spectroscopy , phase (matter) , nuclear magnetic resonance , condensed matter physics , analytical chemistry (journal) , metallurgy , crystallography , physics , chemistry , alloy , mathematics , chromatography , quantum mechanics , pure mathematics

Amorphous Fe78 Si9 B13alloys have been treated by pulsed magnetic field with lowe r frequency. The macrostructural change of amorphous specimens after treatment were observed by mssbauer spectroscopy and TEM etc.This investigation show that nanocrystallization of amorpous Fe78 Si9 B13occurs under the con ditions: pulsed fiel d 16—32kA/m,pulse frequency 20—25 Hz,acting time ≤2min. The grain size of nano crystalline phase Fe(Si) is about 10nm. And, the temperature rise of specimens during the course of the application of pulsed magnetic field is very low(ΔΤ≤20℃).

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