Correlations between elastic moduli and molar volume in metallic glasses
- Institute of Physics, Chinese Academy of Sciences, Beijing 100190 (China)
We report clear correlations between bulk modulus (K) and average molar volume V{sub m}, and between Poisson's ratio {nu} and V{sub m} for various bulk metallic glasses. The origin for the correlations between elastic moduli and V{sub m} are discussed. The established correlation, associated with Poisson's ratio {nu}, and since the {nu} correlates with plasticity of metallic glasses, indicates that the average molar volume is important factor to be considered for plastic metallic glasses searching. The found correlations also suggest a close relation between the mechanical properties and the short-range atomic bonding, and assist in understanding deformation behavior in metallic glasses.
- OSTI ID:
- 21176054
- Journal Information:
- Applied Physics Letters, Journal Name: Applied Physics Letters Journal Issue: 12 Vol. 94; ISSN APPLAB; ISSN 0003-6951
- Country of Publication:
- United States
- Language:
- English
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