Journal of Applied Sciences ›› 1999, Vol. 17 ›› Issue (4): 411-415.
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YANG SHIQING, ZHANG WANLI, GONG JIE, PENG BIN, WANG HAOCAI
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Abstract: The amorphous Nd8.16Dy1Fe85.26Nb1B4.58 ribbons have been fabricated by means of melt-spun over quenching.Microstructure investigation by XRD and TEM of the amorphous and crystal ribbons is reported.the magnetic properties and their dependence of temperature were determined using vibrating sample magnetometer (V SM). The influence of annealing temperature,time and addition of Dy,Nb on the magnetic properties of nanostracture rare-ear th permanent magnet has been also investigated. The nanostructure exchange-coupling permanent magnet with higher Curie temperatue and higher coercivity and positive remanence temperature coefficient have been obtained.
Key words: nanostructure exchange-coupling perm anent magnet, melt-spun over quenching, Curie temperature, magnetic properties
YANG SHIQING, ZHANG WANLI, GONG JIE, PENG BIN, WANG HAOCAI. Preparation and Magnetic Properties of Nanocrystalline Exchange-coupling Rare-earth Permanent Magnet[J]. Journal of Applied Sciences, 1999, 17(4): 411-415.
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https://www.jas.shu.edu.cn/EN/Y1999/V17/I4/411
