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Deformation mechanism of kink-step distorted coherent twin boundaries in copper nanowire

Xing, Bobin; Yan, Shaohua; Jiang, Wugui; Qin, Qing Hua


In the construction of nanotwinned (NT) copper, inherent kink-like steps are formed on growth twin boundaries (TBs). Such imperfections in TBs play a crucial role in the yielding mechanism and plastic deformation of NT copper. Here, we used the molecular dynamic (MD) method to examine the influence of kink-step characteristics in depth, including kink density and kink-step height, on mechanical behavior of copper nanowire (NW) in uniaxial tension. The results showed that the kink-step, a...[Show more]

CollectionsANU Research Publications
Date published: 2017
Type: Journal article
Source: AIMS Materials Science
DOI: 10.3934/matersci.2017.1.102
Access Rights: Open Access


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