MATERIALS TRANSACTIONS
Online ISSN : 1347-5320
Print ISSN : 1345-9678
ISSN-L : 1345-9678
Nanocrystallization of Cu50Zr45Ti5 Metallic Glass Induced by Electron Irradiation
Guoqiang XieQingsheng ZhangDmitri V. Louzguine-LuzginWei ZhangAkihisa Inoue
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2006 Volume 47 Issue 8 Pages 1930-1933

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Abstract

The effect of electron irradiation on the structure of melt-spun Cu50Zr45Ti5 metallic glass was investigated. Microstructural evolution during electron irradiation was examined by means of conventional and high-resolution transmission electron microscopy (CTEM and HRTEM) equipped with X-ray energy dispersive spectroscopy (EDS). The glassy phase was not stable under electron irradiation and crystalline nanoparticles with the monoclinic CuZr structure were formed. The volume fraction of the nanocrystalline phase increased with the electron dose while the average grain size remained at about 7 nm. This result indicates that electron irradiation is effective in producing nanocrystalline structures from the metallic glass.

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© 2006 The Japan Institute of Metals and Materials
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