通过改进的制备工艺提高FINEMET纳米晶磁粉芯的磁性能及其机理<sup>*</sup>

doi:10.11896/j.issn.1005-023X.2017.016.006

Abstract
Figure/Table
References
Related Citation (15)

Download:

Full Text ( PDF ) (1513KB)
Export: BibTeX | EndNote (RIS)

Abstract The magnetic property of FINEMET nanocrystalline magnetic powder core prepared by a revamped process was studied through comparative experiments, and the corresponding physical mechanism was observed. Scanning electron microscopy, transmission electron microscopy and X-ray diffraction were used to characterize the morphology, internal structure and lattice deformation of magnetic powders, B-H analyzer was used to characterize magnetic properties of magnetic powder core. The results showed that the revamped process could effectively reduce the loss of the magnetic powder core, and promote magnetic permeability and frequency range. The hysteresis loss and eddy current loss could be decreased by increasing milling time, and the optimum mil-ling time was 8 h. Our experiments found that the magnetic powders produced by the revamped process possess a relatively low lattice deformation, which means that the effective release of the remnant internal stress leads to the improve of magnetic powder core′s performance.

Key words： FINEMET magnetic powder core annealing loss permeability revamped process

Published: 07 May 2018

CLC number:	TM271.2
	TM272

	Service
	E-mail this article
	Add to my bookshelf
	Add to citation manager
	E-mail Alert
	RSS
	Articles by authors
	LI Qingda
	GUO Jianyong
	HU Jun
	WANG Hongli
	LIAN Fazeng
	LU Caowei

Cite this article:

LI Qingda,GUO Jianyong,HU Jun, et al. Improving the Performance of FINEMET Nanocrystalline Magnetic Powder Core by a Revamped Process and the Corresponding Mechanism[J]. Materials Reports, 2017, 31(16): 26-30.

URL:

http://www.mater-rep.com/EN/10.11896/j.issn.1005-023X.2017.016.006 OR http://www.mater-rep.com/EN/Y2017/V31/I16/26

1 Muller M, Novy A, Brunner M, et al. Powder composite core of nanocrystalline soft magnetic FeSiBCuNb alloys[J]. J Magn Magn Mater,1999,196-197:357.
2 Iqbal Y, Daes H A, Gibbs M R, et al. Nanocrystalline powder cores for high frequency applications[J]. J Magn Magn Mater,2002,242-245:282.
3 Kim G H, Nof T H. Magnetic properties of FeCuNbSiB nanocrystalline alloy powder cores using ball-milled powder[J]. J Appl Phys,2008,93(10):7211.
4 Wang Xiangyue, Lu Caowei, Guo Feng, et al. New Fe-based amorphous compound powder cores with superior DC-bias properties and low loss characteristics[J]. J Magn Magn Mater,2013,347:1.
5 Tang Zhenjie, Zhu Zhenghou. Research on magnetic properties of Fe_73.5Cu₁Nb₃Si_13.5B₉ nanocrystalline dust core[J]. J Funct Mater,2008,39(8):1268 (in Chinese).
汤振杰,朱正吼. Fe_73.5Cu₁Nb₃Si_13.5B₉纳米晶磁粉芯磁性能研究[J]. 功能材料,2008,39(8):1268.
6 Li Changquan. Preparation and properties of Fe_73.5Cu₁Nb₃Si_13.5B₉ nanocrystalline powder core [J]. Electron Compon Mater,2006,25(5):36(in Chinese).
李长全. FeCuNbSiB纳米晶磁粉芯制备及其性能研究[J].电子元件与材料,2006,25(5):36.
7 Lu Caowei, Lu Zhichao, Guo Feng, et al. Magnetic properties of amorphous Fe₆₉Ni₅Al₄Sn₂P₁₀C₂B₄Si₄ powder prepared by water atomization and powder core using same[J]. J Iron Steel Res,2007,19:33.
8 Molodov D A, Bhaumik S, Molodova X. Annealing behaviour of cold rolled aluminum alloy in high magnetic field[J]. Scr Mater,2006,54:2161.
9 Shokrollahi H, Janghorban K. Effect of warm compaction on the magnetic and electrical properties of Fe-based soft magnetic compo-sites[J]. J Magn Magn Mater,2007,313:182.
10 Matsumoto H, Urata A, Yamada Y, et al. FePBNbCr soft magnetic glassy alloys with low loss characteristics for inductor cores[J]. J Alloys Compd,2010,504S:S139.
11 Shokrollahi H, Janghorban K. Different annealing treatments for improvement of magnetic and electrical properties of soft magnetic composites[J]. J Magn Magn Mater,2007,317: 61.
12 Li Qingda, Lian Fazeng, Sun Yun, et al. Study on preparing process of Fe-Si-Al composite magnetic powder cores [J].J Mater Eng,2011(2):65(in Chinese).
李庆达,连法增,孙陨,等. Fe-Si-Al复合磁粉芯制备工艺的研究[J].材料工程,2011(2):65.
13 Yin Fuzheng, Yang Yuting, Cui Jianmin, et al. Effect of heat-treatment of iron powder on magnetic properties of iron-based soft magnetic material[J]. Trans Mater Heat Treatment, 2010, 31(6): 45 (in Chinese).
尹福正,杨钰婷,崔建民,等. 铁粉热处理对铁基软磁材料性能的影响 [J].材料热处理学报,2010,31(6): 45.
14 Kim Yoon B, Jang D H, Seok H K, et al.Fabrication of Fe-Si-B based amorphous powder cores by cold pressing and their magnetic properties[J]. Mater Sci Eng A,2007,449-451:389.
15 Xu Hui, He Kaiyuan, Qiu Yuqing, et al.Investigation of the magnetic properties of Fe_73.5Cu₁Nb₃Si_13.5B₉ nanocrystalline dust core [J]. J Funct Mater,2000,31(1):42.
16 Manivcl Raja M, Ponpandian N,Majumdar B, et al. Soft magnetic properties of nanostructured FINEMET alloy powder cores[J]. Mater Sci Eng A,2001,304-306:1062.