MATEC Web Conf.
Volume 67, 2016International Symposium on Materials Application and Engineering (SMAE 2016)
|Number of page(s)||5|
|Section||Chapter 3 Information Technology|
|Published online||29 July 2016|
Relation of Structure, Composition and Glass Forming Ability in Zr-Cu Binary Amorphous Alloys
1 School of Materials Science and Engineering, Beihang University, Beijing 100191, PR China
2 School of Materials Science and Engineering, Beijing Institute of Technology, Beijing 100081, PR China
Molecular dynamics simulation was used to simulate Zr-Cu binary system, in which the relationship between structure, composition and glass forming ability was study. Atomic local structures were analyzed from view of chemical and topological short range order. Reduction fraction of full icosahedra (Bc) was developed to establish the relation of structure-composition and glass forming ability(GFA) in Zr-Cu binary system. Obviously peaks were observed at some certain compositions which own the good GFA. As a structure factor, Bc could be a indicator of GFA of Zr-Cu alloys. Our works contributed to further understanding the effect of atomic structures on glass forming.
© The Authors, published by EDP Sciences, 2016
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