The Study on Exchange-Coupled between Nd2Fe14B Hard Magnetic Phase and α-Fe Soft Magnetic Phase

Article Preview

Abstract:

The uniform of the heat treatment process and NdFeB alloy powder metallurgy technology on the α-Fe soft phase effects. Experimental results show that the uniform of the heat treatment process can significantly reduce the α-Fe soft phase of the content, and the thinning, also found that the remaining α-Fe soft phase sintering and after annealing and hard to deal with after the occurrence of magnetic exchange coupling And its magnetic properties can have a greater impact, so this experiment for the Development of the fourth generation of rare earth permanent magnets laid the foundation.

You might also be interested in these eBooks

Info:

Periodical:

Pages:

73-76

Citation:

Online since:

July 2012

Export:

Price:

Permissions CCC:

Permissions PLS:

Сopyright:

© 2012 Trans Tech Publications Ltd. All Rights Reserved

Share:

Citation:

[1] Fastenau R H J, Loenen E J. Applications of rare earth permanent magnets J. J. Magn. Magn. Mater., 1996, 157/158: 1-6.

Google Scholar

[2] Kaneko Y, Ishigaki N. Recent developments of high-performance NEOMAX magn-ets J. J. Mater. Engin. perfor., 1994, 3(2): 228.

Google Scholar

[3] Skomski R, Coey J M D. Giant energy product in nanostructured two-phase magnets J. J. Phys. Rev. B., 1993, 48: 15812-15816.

DOI: 10.1103/physrevb.48.15812

Google Scholar

[4] Kneller E F, Hawig R. The Exchange spring magnet: a new material principle for per-manent magnets J. IEEE Trans. On Magn., 1991, 27(4): 3588-3600.

DOI: 10.1109/20.102931

Google Scholar

[5] Meiklejohn W H, Bean C P. Modification of the exchange bias effect by He ion irradiation J. Phys. Rev., 1956, 102: 1413.

Google Scholar