Magnetic properties of melt spun mischmetals-Fe-Ti-B nanocomposite ribbons

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题名:	Magnetic properties of melt spun mischmetals-Fe-Ti-B nanocomposite ribbons
作者:	Chang, H.W., Chen, C.H., Hsieh, C.C., Chang, W.C.
贡献者:	Department of Physics, Tunghai University
关键词:	Intermetallics;Magnetic properties;Melt spinning
日期:	2011
上传时间:	2013-05-15T09:09:45Z (UTC)
摘要:	Magnetic properties and phase evolution of melt spun R 9.5Fe bal.Ti 2B 10 (R = MM(A), MM(B), MM(C), Pr, Nd, Ce, and La) nanocomposites have been investigated. Based on the results for the X-ray diffraction and thermal magnetic analysis, only 2:14:1 and α-Fe phases appear for R = MM(A) and Pr, and an additional Fe 3B phase is present for R = MM(B), MM(C), Nd, and Ce. Besides, the uniform fine grain size of 20-40 nm is almost unchanged for the ribbons with various rare earth elements. Accordingly, magnetic properties of MM 9.5Fe bal Ti 2B 10 nanocomposites are mainly dominated by the composition of Mischmetals or the rare earth elements adopted, and are consistent with the outcome for the combinations of magnetic properties of their corresponding R 9.5Fe bal Ti 2B 10 nanocomposites. In this study, the optimum magnetic properties of B r = 9.3 kG, iH c= 12.1 kOe and (BH) max = 18.0 MGOe can be achieved for MM(B) 9.5Fe bal Ti 2B 10 nanocomposites. They not only exhibit comparable magnetic properties to the commercial available powders but also reduce the original material cost effectively. ? 2011 American Scientific Publishers.
關聯:	Journal of Nanoscience and Nanotechnology 11 (3) , pp. 2756-2760
显示于类别:	[應用物理學系所] 期刊論文

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