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|Title:||Glass formation, microstructure evolution and mechanical properties of Zr41.2Ti13.8Cu12.5Ni10Be 22.5 and its surrounding alloys|
|Citation:||Cheng, J.L., Chen, G., Fan, C., Li, Y. (2014). Glass formation, microstructure evolution and mechanical properties of Zr41.2Ti13.8Cu12.5Ni10Be 22.5 and its surrounding alloys. Acta Materialia 73 : 194-204. ScholarBank@NUS Repository. https://doi.org/10.1016/j.actamat.2014.04.003|
|Abstract:||Microstructure evolutions were studied as a function of withdrawal velocity and alloy composition for Zr41.2Ti13.8Cu 12.5Ni10Be22.5 and its surrounding alloys. The results demonstrate that there is a Zr(Ti)2Cu(Ni)-Zr(Ti)Be 2 pseudo-binary eutectic and a Zr(Ti)-Zr(Ti)2Cu(Ni)-Zr(Ti) Be2 pseudo-ternary eutectic in the Zr-Ti-Cu-Ni-Be alloy system. The best glass-forming region was identified to be in the pseudo-binary and pseudo-ternary eutectics. The bulk metallic glass composites with different primary phases can be obtained at the composition which lies in the region between the best glass former and the corresponding primary crystalline phase. This finding confirms that multi-component alloy systems can be considered as pseudo-binary or pseudo-ternary eutectics. A metallographic approach, based on phase selection of the glass over all the competing crystalline phases, can be used to identify the best glass formers and optimum composites in multi-component alloy systems. © 2014 Acta Materialia Inc. Published by Elsevier Ltd. All rights reserved.|
|Source Title:||Acta Materialia|
|Appears in Collections:||Staff Publications|
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