期刊
ACTA MATERIALIA
卷 155, 期 -, 页码 279-285出版社
PERGAMON-ELSEVIER SCIENCE LTD
DOI: 10.1016/j.actamat.2018.05.068
关键词
Magnetic microwires; Domain wall propagation; Magnetic softness; Annealing; Internal stresses; Induced anisotropy
资金
- Spanish MINECO [MAT2013-47231-C2-1-P]
- Basque Government under Elkartek grant by the UPV/EHU under the scheme of Ayuda a Grupos Consolidados [RTM 4.0, PPG17/35]
- Russian Foundation for Basic Research [16-53-48012]
- Act 211 Government of the Russian Federation [02.A03.21.0011]
- ERDF
- ESF
- Basque Government under Program of Mobility of the Investigating Personnel [MV-2017-1-0025, MV-2017-1-0030]
We have studied the magnetic properties and domain wall dynamics in Fe-rich microwires subjected to stress-annealing. The hysteresis loops of Fe-rich microwires were considerably affected by stress annealing. We obtained drastic decrease in coercivity and change in the character of hysteresis loops from rectangular to linear in stress-annealed Fe-rich microwires. For the wires after stress-annealing at variable temperatures we obtained a graded magnetic behavior with local hysteresis loops shapes and features (coercivity, remanent magnetization) changing along the sample length. In the samples subjected to local stress-annealing we created an artificial source of domain wall injection allowing the manipulation of domain wall dynamics. The observed stress-induced anisotropy could be related to the internal stress relaxation after annealing and the interplay of compressive back-stresses arisen after stress annealing and axial internal stresses. (C) 2018 Acta Materialia Inc. Published by Elsevier Ltd. All rights reserved.
作者
我是这篇论文的作者
点击您的名字以认领此论文并将其添加到您的个人资料中。
推荐
暂无数据