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Author:

Yue, Ming (Yue, Ming.) (Scholars:岳明) | Tian, Meng (Tian, Meng.) | Liu, Weiqiang (Liu, Weiqiang.) (Scholars:刘卫强) | Zhang, Jiuxing (Zhang, Jiuxing.)

Indexed by:

EI Scopus

Abstract:

The Nd2Fe14B/ α -Fe bulk exchange-spring magnets have been prepared by spark plasma sintering melt spun Nd 9.8Dy0.4Fe78.4Co5.6B5.8 flakes under different temperatures and pressures. It was found that higher sintering temperature improved the densification of the magnets, while deteriorated their magnetic properties simultaneously. An increased compressive pressure can restrain the grain growth remarkably and then leads to better magnetic properties and higher density for the magnet at same sintering temperature. XRD analysis showed that with the increase of sintering pressure, some peaks indicating c-axis texture such as (006) and (105) became dominant. As a result, the bulk magnet exhibited higher remanence and maximum energy product than starting powders. © 2005 Trans Tech Publications, Switzerland.

Keyword:

Sintering Melt spinning Plasma applications Magnets Microstructure Magnetic properties Crystal structure Neodymium compounds X ray diffraction analysis Magnetometers Densification

Author Community:

  • [ 1 ] [Yue, Ming]Key Lab. of Adv. Funct. Materials, Ministry of Education, Beijing University of Technology, Beijing 100022, China
  • [ 2 ] [Tian, Meng]Key Lab. of Adv. Funct. Materials, Ministry of Education, Beijing University of Technology, Beijing 100022, China
  • [ 3 ] [Liu, Weiqiang]Key Lab. of Adv. Funct. Materials, Ministry of Education, Beijing University of Technology, Beijing 100022, China
  • [ 4 ] [Zhang, Jiuxing]Key Lab. of Adv. Funct. Materials, Ministry of Education, Beijing University of Technology, Beijing 100022, China

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Source :

ISSN: 0255-5476

Year: 2005

Issue: III

Volume: 475-479

Page: 2161-2164

Language: English

JCR Journal Grade:4

Cited Count:

WoS CC Cited Count: 0

SCOPUS Cited Count: 4

ESI Highly Cited Papers on the List: 0 Unfold All

WanFang Cited Count:

Chinese Cited Count:

30 Days PV: 10

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