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The Effect of Pt Addition on the Structure and Magnetic Properties of Melt-Spun Fe80–xPtxB20 Alloys

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Abstract:

The structure and magnetic properties of the melt-spun Fe80–xPtxB20 (x = 0 – 20) alloys have been investigated. The amorphous phase was obtained for the alloys with x = 0 and 5, while the mixed structure consisting of amorphous and fcc-FePt phases was formed for the alloys with x = 10, 15 and 20. The annealed alloys consist of α-Fe + Fe3B phases for x = 0 and 5, Fe3B + Fe2B + fcc-FePt phases for x=10, and Fe2B + fcc-FePt + L10-FePt phases for x = 15 and 20, respectively. The alloys with x = 15 and 20 exhibited hard magnetic characterization after annealing. The coercivity increased with increasing Pt content.

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Periodical:

Materials Science Forum (Volume 750)

Pages:

311-315

DOI:

https://doi.org/10.4028/www.scientific.net/MSF.750.311

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Online since:

March 2013

Authors:

C.L. Yin, Yan Hui Li, X.J. Jia, Wei Zhang

Keywords:

Annealing, Coercivity, Fe-Pt-B Alloys, L10-FePt Phase, Melt Spinning

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© 2013 Trans Tech Publications Ltd. All Rights Reserved

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