Structure change of the Cu sub(64)Zr sub(36) metallic glass in the conditions of uniaxial deformation

It is shown on the basis of analysis of the Delaunay simplices of the atomic structure of the Cu sub(64)Zr sub(36) metallic glass in the process of plastic deformation that the density distribution of the basic structure units of tetrahedrons and quartoctahedrons in the system is practically unchang...

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Published inGlass physics and chemistry Vol. 39; no. 2; pp. 155 - 161
Main Authors Dunaev, D G, Kosilov, A T, Evteev, A V, Levchenko, E V
Format Journal Article
LanguageEnglish
Published 01.03.2013
Subjects
Amorphous materials
Atomic structure
Company structure
Glass
Metallic glasses
Plastic deformation
Tetrahedrons
Vices
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Summary:It is shown on the basis of analysis of the Delaunay simplices of the atomic structure of the Cu sub(64)Zr sub(36) metallic glass in the process of plastic deformation that the density distribution of the basic structure units of tetrahedrons and quartoctahedrons in the system is practically unchanging. The elementary acts of plastic deformation are reduced to restructuring of local atomic configurations of tetrahedrons into quartoctahedrons and, vice versa, quartoctahedrons into tetrahedrons, while preserving the quantitative relation between the structural units.
Bibliography:ObjectType-Article-2
SourceType-Scholarly Journals-1
content type line 23
ObjectType-Feature-1
ISSN:1087-6596
1608-313X
DOI:10.1134/S1087659613020065