Preparation and Magnetic Properties of Anisotropic SmCo5/Co Composite Particles

被引：0

作者：

Lin Lv

Feng-Qing Wang

Qiang Zheng

Juan Du

Xian-Lin Dong

Ping Cui

J. Ping Liu

机构：

[1] Ningbo Institute of Material Technology and Engineering,CAS Key Laboratory of Magnetic Materials and Devices

[2] Chinese Academy of Sciences,School of Materials and Chemical Engineering

[3] Ningbo University of Technology,Department of Physics

[4] University of Texas at Arlington,School of Physical Science and Technology

[5] University of Chinese Academy of Sciences,undefined

[6] Shanghai Institute of Ceramics,undefined

[7] CAS,undefined

[8] Shanghai Tech University,undefined

来源：

Acta Metallurgica Sinica (English Letters) | 2018年 / 31卷

关键词：

Nanocomposite; Permanent magnet; Coating; Nanosize; Exchange coupling;

D O I：

暂无

中图分类号：

学科分类号：

摘要：

Anisotropic SmCo5/Co nanocomposite powders have been prepared by electroless Co deposition on commercial SmCo5 powders with hydrazine as reducer. The Co particles are mainly in the range of 8–27 nm and form dense/continuous soft magnetic coatings on the surface of SmCo5 powders. Exchange coupling happened between the coated Co soft magnetic particles and the SmCo5 hard phase. As a result, SmCo5/Co nanocomposite powders with remanence of 73.58 emu/g and energy product of 13.74 MGOe were obtained in the optimum condition, as compared with those of 70.52 emu/g and 13.40 MGOe for uncoated SmCo5 powders. The effects of Co adding amount on Co particle size, coating morphology, and magnetic properties of SmCo5/Co products were investigated.

引用

页码：143 / 147

页数：4

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