Please use this identifier to cite or link to this item: http://hdl.handle.net/10397/11095
Title: Formation of metastable phases and their effect on the glass-forming ability of Cu-Hf binary alloys
Authors: Xia, L
Chan, KC 
Kwok, SK
Dong, YD
Keywords: Bulk metallic glass
Metastable phase
Thermodynamic modeling
Issue Date: 2010
Publisher: Japan Institute of Metals
Source: Materials transactions, 2010, v. 51, no. 1, p. 68-71 How to cite?
Journal: Materials transactions 
Abstract: In this work, the glass-forming ability (GFA) of Cu-Hf binary alloys was systematically studied and some metastable phases were observed in the rapidly quenched samples. The microstructure of a Cu 50Hf 50 as-cast rod between the surface and the central region was carefully examined, and the composition of the unknown metastable phase was identified to be about Cu 42Hf 58. The formation mechanism of metastable phases and their effect on the GFA of Cu-Hf binary alloys was also investigated. Taking the metastable phases into account, the parameter γ * was revised, and its prediction of the GFA of Cu-Hf binary alloys was found to be roughly in accordance with the experimental results.
URI: http://hdl.handle.net/10397/11095
ISSN: 1345-9678
EISSN: 1347-5320
DOI: 10.2320/matertrans.M2009228
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