Effects of drawing and tension stress annealing on the structure and magnetic properties of Co-based amorphous wire

被引：5

作者：

Mu, Chunyang ^{[1
,2
]}

Hu, Limeng ^{[1
,2
]}

Zhu, Fangliang ^{[3
]}

Cui, Zhen ^{[3
]}

He, Aina ^{[1
,2
]}

Dong, Yaqiang ^{[1
,2
]}

Man, Qikui ^{[1
,2
]}

Ma, Haoran ^{[1
,2
]}

Li, Jiawei ^{[1
,2
]}

机构：

[1] Chinese Acad Sci, CAS Key Lab Magnet Mat & Devices, Zhejiang Prov Key Lab Magnet Mat & Applicat Techn, Ningbo Inst Mat Technol & Engn, Ningbo 315201, Zhejiang, Peoples R China

[2] Chinese Acad Sci, Ningbo Inst Mat Technol & Engn, Zhejiang Prov Key Lab Magnet Mat & Applicat Techno, Ningbo 315201, Zhejiang, Peoples R China

[3] Ningbo Innovat Ctr Appl Magnet Co Ltd, Ningbo 315201, Zhejiang, Peoples R China

来源：

JOURNAL OF MAGNETISM AND MAGNETIC MATERIALS | 2024年 / 589卷

关键词：

Amorphous wire; Tension stress annealing; Magnetic domain structure; Magnetic properties; Giant magneto-impedance effect; GMI PROPERTIES; MICROWIRES; MICROSTRUCTURE; ANISOTROPY; FIELD; DOMAINS;

D O I：

10.1016/j.jmmm.2023.171569

中图分类号：

T [工业技术];

学科分类号：

08 ;

摘要：

Cold drawing significantly improves the size uniformity of the amorphous wire, but leads to wire curling. Tensile stress annealing (TSA) is the key to regulating the straightness and magnetic properties of Co-based amorphous wires, but their intrinsic correlation is still unclear. Herein, the effects of TSA on the morphology, microstructure, soft magnetic properties and longitudinal driven giant magneto-impedance (LD-GMI) effect of cold drawn Cobased amorphous wires have been studied in detail. It was found that increasing tensile stress can effectively straighten the drawn amorphous wire, yet at the cost of decreasing fracture strength, increasing coercivity and deteriorating GMI effect. Furthermore, appropriate annealing can restore the magnetic properties of the TSA amorphous wire. The variation of magnetic properties is relative to the change of circular anisotropic field and magnetic domain structure.

引用

页数：7

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