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  • Title: Atomic-scale mechanisms of the glass-forming ability in metallic glasses.
    Author: Yang L, Guo GQ, Chen LY, Huang CL, Ge T, Chen D, Liaw PK, Saksl K, Ren Y, Zeng QS, LaQua B, Chen FG, Jiang JZ.
    Journal: Phys Rev Lett; 2012 Sep 07; 109(10):105502. PubMed ID: 23005298.
    Abstract:
    The issue, composition dependence of glass-forming ability (GFA) in metallic glasses (MG), has been investigated by systematic experimental measurements coupled with theoretical calculations in Cu-Zr and Ni-Nb alloy systems. It is found that the atomic-level packing efficiency strongly relates to their GFA. The best GFA is located at the largest difference in the packing efficiency of the solute-centered clusters between the glassy and crystal alloys in both MG systems. This work provides an understanding of GFA from atomic level and will shed light on the development of new MGs with larger critical sizes.
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