Precipitation and high temperature magnetic properties of FeCo-based alloys

R. H. Yu; J. Zhu

doi:10.1063/1.1857057

Precipitation and high temperature magnetic properties of FeCo-based alloys

R. H. Yu^*
, J. Zhu

^*此作品的通讯作者

Tsinghua University
University of Science and Technology Beijing

科研成果: 期刊稿件 › 文章 › 同行评审

18 引用（Scopus）

摘要

The microstructure and high temperature magnetic properties of Fe-Co-2V and Fe-Co-2V-0.3Nb alloys have been investigated. Aging at 600°C, γ2 phases precipitate whose size and volume fraction increase with increasing aging time. A roughly linear relationship between magnetic coercivity Hc and volume fraction of the γ2 precipitates was observed. Addition of Nb facilitates nucleation and growth of the γ2 precipitates, resulting in a dramatic deterioration of soft magnetic properties of the alloys. A pinning effect of the γ2 precipitates on the magnetic domain wall has been observed by Lorenz electron microscopy.

源语言	英语
文章编号	053905
期刊	Journal of Applied Physics
卷	97
期	5
DOI	https://doi.org/10.1063/1.1857057
出版状态	已出版 - 2005
已对外发布	是

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abstract = "The microstructure and high temperature magnetic properties of Fe-Co-2V and Fe-Co-2V-0.3Nb alloys have been investigated. Aging at 600°C, γ2 phases precipitate whose size and volume fraction increase with increasing aging time. A roughly linear relationship between magnetic coercivity Hc and volume fraction of the γ2 precipitates was observed. Addition of Nb facilitates nucleation and growth of the γ2 precipitates, resulting in a dramatic deterioration of soft magnetic properties of the alloys. A pinning effect of the γ2 precipitates on the magnetic domain wall has been observed by Lorenz electron microscopy.",

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AB - The microstructure and high temperature magnetic properties of Fe-Co-2V and Fe-Co-2V-0.3Nb alloys have been investigated. Aging at 600°C, γ2 phases precipitate whose size and volume fraction increase with increasing aging time. A roughly linear relationship between magnetic coercivity Hc and volume fraction of the γ2 precipitates was observed. Addition of Nb facilitates nucleation and growth of the γ2 precipitates, resulting in a dramatic deterioration of soft magnetic properties of the alloys. A pinning effect of the γ2 precipitates on the magnetic domain wall has been observed by Lorenz electron microscopy.

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Precipitation and high temperature magnetic properties of FeCo-based alloys

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