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Intrinsic correlation between elastic modulus and atomic bond stiffness in metallic glasses.
- Source :
-
Materials Letters . Jul2016, Vol. 175, p227-230. 4p. - Publication Year :
- 2016
-
Abstract
- Zr x Cu 100−x (x=15–70) metallic glass (MG) models were constructed by molecular dynamics simulations to explore the intrinsic correlation between elastic modulus and atomic bond stiffness in MGs. The elastic modulus and atomic mole fraction of MGs approximately behave parabolically, and their maxima location shifts to lower Zr mole fraction. This phenomenon is due to the variation of their atomic bond percentages, which suggests that elastic modulus reflects the inherent stiffness of atomic bonds. The “rule of mixture”, which uses atomic bonds as the components, is more applicable than that in which atoms are used as the components to explain the inheritance of elastic modulus. [ABSTRACT FROM AUTHOR]
Details
- Language :
- English
- ISSN :
- 0167577X
- Volume :
- 175
- Database :
- Academic Search Index
- Journal :
- Materials Letters
- Publication Type :
- Academic Journal
- Accession number :
- 115213204
- Full Text :
- https://doi.org/10.1016/j.matlet.2016.03.037