A new Cu-Hf-Al ternary bulk metallic glass with high glass forming ability and ductility

Please use this identifier to cite or link to this item: https://doi.org/10.1016/j.scriptamat.2006.02.042

Title:	A new Cu-Hf-Al ternary bulk metallic glass with high glass forming ability and ductility
Authors:	Jia, P. Guo, H. Li, Y. Xu, J. Ma, E.
Keywords:	Bulk amorphous alloys Copper Ductility Glass-forming ability Metallic glasses Plasticity
Issue Date:	Jun-2006
Citation:	Jia, P., Guo, H., Li, Y., Xu, J., Ma, E. (2006-06). A new Cu-Hf-Al ternary bulk metallic glass with high glass forming ability and ductility. Scripta Materialia 54 (12) : 2165-2168. ScholarBank@NUS Repository. https://doi.org/10.1016/j.scriptamat.2006.02.042
Abstract:	We have discovered a new Cu-based bulk metallic glass (BMG). Although of a simple Cu49Hf42Al9 ternary composition, the as-cast alloy is a monolithic, uniform BMG with a critical diameter as large as 10 mm. The width of the supercooled liquid region ΔTx and the reduced glass transition temperature Trg for this glass are 85 K and 0.62, respectively. In addition to its high glass-forming ability and high density of ∼11 g/cc, this BMG exhibits high ductility with a compressive plastic strain of 11-13%, making it a good candidate for applications as well as for studies of deformation behavior of Cu-based BMGs. © 2006.
Source Title:	Scripta Materialia
URI:	http://scholarbank.nus.edu.sg/handle/10635/86176
ISSN:	13596462
DOI:	10.1016/j.scriptamat.2006.02.042
Appears in Collections:	Staff Publications

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