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The Research of Influence on Fe-N Alloy Magnetism from Experiment Parameters

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Abstract:

Fe-N amorphous alloy and ε- FexN alloy were prepared by mechanical ball milling with Fe and solid hexagonal boron nitride (h-BN) as nitrogen resource. The microstructural and magnetic transforming rules of different volume ratios of mixtures of Fe and h-BN (1:12.5, 1:5.4, 1:1.2, and 1:0.38) was studied under different ball-to-powder weight ratios. phase transition and magnetism were characterized with X-ray diffraction and vibrating sample magnetometer (VSM). According to the results, samples of the first three volume ratios have similar phase transition rules in different ball-to-powder weight ratios, and the sample with smaller ball-to-powder weight ratio costs more time in alloy formation. The changing rules and mechanisms of coercivity of four ratio samples with the extension of ball milling time has been clarified.

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Periodical:

Advanced Materials Research (Volumes 690-693)

Pages:

470-474

DOI:

https://doi.org/10.4028/www.scientific.net/AMR.690-693.470

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Online since:

May 2013

Authors:

Xiu Zhi Guo, Ruo Hui Chen, Wen Fu Song

Keywords:

Coercivity, Fe-N Amorphous Alloy, Mechanical Alloying, ε-FexN Alloy

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© 2013 Trans Tech Publications Ltd. All Rights Reserved

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