Journal
SCRIPTA MATERIALIA
Volume 69, Issue 10, Pages 760-763Publisher
PERGAMON-ELSEVIER SCIENCE LTD
DOI: 10.1016/j.scriptamat.2013.08.022
Keywords
Metallic glass; Bulk modulus; Molar volume; Power law
Categories
Funding
- NSFC [11002144, 11372315, 11132011, 11023001]
- Alexander von Humboldt Foundation
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We report a universal power law between bulk modulus and molar volume that holds for metallic glasses (MGs) and most polycrystalline metals, which demonstrates that the volumetric derivative of energy minima can be determined by the average atomic volume. Our findings reveal a characteristic size rang of the short-range order of 0.23-0.32 nm in MGs that is closest to that in face-centered cubic metals. More interestingly, the short-range order in noncrystalline and crystalline metals seem to be self-similar from a viewpoint of the compressibility. (C) 2013 Acta Materialia Inc. Published by Elsevier Ltd. All rights reserved.
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