Thermal and mechanical properties of Cu60-xZr25Ti15Nix bulk metallic glasses with x=0, 1, 3, 5, 7, 9 and 11 at.%

Lee, M. W., Shin, H. J., Hong, S. H., Kim, J. T., Choi-Yim, H., Seo, Y., Lee, W. H., Yu, P., Qian, M., Lee, J. K. and Kim, K. B. (2014) Thermal and mechanical properties of Cu60-xZr25Ti15Nix bulk metallic glasses with x=0, 1, 3, 5, 7, 9 and 11 at.%. Metals and Materials International, 20 1: 1-5. doi:10.1007/s12540-013-1024-3


Author Lee, M. W.
Shin, H. J.
Hong, S. H.
Kim, J. T.
Choi-Yim, H.
Seo, Y.
Lee, W. H.
Yu, P.
Qian, M.
Lee, J. K.
Kim, K. B.
Title Thermal and mechanical properties of Cu60-xZr25Ti15Nix bulk metallic glasses with x=0, 1, 3, 5, 7, 9 and 11 at.%
Formatted title
Thermal and mechanical properties of Cu60-xZr25Ti15Nix bulk metallic glasses with x=0, 1, 3, 5, 7, 9 and 11 at.%
Journal name Metals and Materials International   Check publisher's open access policy
ISSN 1598-9623
2005-4149
Publication date 2014-01-01
Year available 2014
Sub-type Article (original research)
DOI 10.1007/s12540-013-1024-3
Volume 20
Issue 1
Start page 1
End page 5
Total pages 5
Place of publication Seoul, Korea
Publisher Daehan Geumsog Jae'lyo Haghoe / Korean Institute of Metals and Materials
Language eng
Formatted abstract
Systematic investigation on thermal and mechanical properties of Cu60−xZr25Ti15Nix bulk metallic glasses with x = 0, 1, 3, 5, 7, 9 and 11 at.% points out that monolithic Cu53Zr25Ti15Ni7 and Cu51Zr25Ti15Ni9 bulk metallic glasses containing optimum Ni content of 7 and 9 at.% are effective to enhance both thermal stability of amorphous structure up to 716 K and plastic strain of 2.4% at room temperature. This indicates that a selection of additional elements such as Ni by considering a mixing enthalpy to the constituent elements is very important to control the thermal stability and plasticity. Moreover, it is believed that the addition of minor Ni can be a trigger to form the chemical heterogeneity upon solidification. Such chemical heterogeneity formed by the selection of the minor elements has a strong influence to cause the oscillation of the shear stress by wavy propagation of the shear bands thus leading the improvement of macroscopic plasticity of the bulk metallic glasses.
Keyword Amorphous materials
Precipitation
Mechanical properties
Thermal analysis
Plasticity
Q-Index Code C1
Q-Index Status Confirmed Code
Institutional Status UQ

Document type: Journal Article
Sub-type: Article (original research)
Collections: School of Mechanical & Mining Engineering Publications
Official 2015 Collection
 
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