MATERIALS TRANSACTIONS
Online ISSN : 1347-5320
Print ISSN : 1345-9678
Control of a Nanocomposite Structure in Fe86Nd9B5 Alloy by Electron Irradiation
Akihiro NinoTakeshi NagaseYukichi Umakoshi
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2006 Volume 47 Issue 2 Pages 335-340

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Abstract

Change in nanocomposite structure in rapidly solidified Fe86Nd9B5 alloy during electron irradiation was investigated. Nanocrystalline structure composed of α-Fe, Fe3B, Nd2Fe14B and Nd2Fe23B3 crystalline phases was formed by rapid solidification. Electron irradiation can introduce amorphization of intermetallic compounds and crystallization of an amorphous phase, resulting in the formation of a novel nanocomposite structure in which α-Fe and Nd2Fe14B nanocrystals are embedded in the amorphous matrix. The mechanism of nanocomposite structure formation was discussed based on the phase stability of amorphous and crystalline phases under electron irradiation.

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© 2006 The Japan Institute of Metals and Materials
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