Nano Archive

Structural evolution and magnetic properties of mechanically alloyed metastable Fe-Ni-Zr-B system

Saravanan, T. T. and Kumaran, S and Rao, T. Srinivasa (2009) Structural evolution and magnetic properties of mechanically alloyed metastable Fe-Ni-Zr-B system. Materials Letters, 63 (9-10). 780 - 782.

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Official URL: http://www.sciencedirect.com/science/article/B6TX9...

Abstract

Present investigation focuses on synthesizing metastable Fe52Ni26B18Zr4 (at.%) soft magnetic material through mechanical alloying. Mechanical alloying was employed to achieve nanocrystalline phase under optimized milling parameters such as milling speed, milling time, composition, etc. The effects of milling time on structural evolution and magnetic properties of Fe52Ni26B18Zr4 powders were analyzed using x-ray diffraction (XRD), transmission electron microscope (TEM) and vibrating sample magnetometer (VSM). Nano crystallization was achieved during the early stages of milling. The crystallite size of Fe52Ni26B18Zr4 was decreased with increasing milling time. The minimum grain size was found to be about 6 nm. The appreciable magnetic softening, in terms of coercivity values, observed as the milling progresses in amorphous phase at 25 h milling.

Item Type:Article
Uncontrolled Keywords:Magnetic material; Mechanical alloying; X-ray technique; Magnetic softening; Amorphous phase
Subjects:Material Science > Nanostructured materials
ID Code:6607
Deposited By:SPI
Deposited On:10 Feb 2010 17:47
Last Modified:10 Feb 2010 17:47

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