Please use this identifier to cite or link to this item: http://hdl.handle.net/10397/8020
Title: Strengthening and toughening by interface-mediated slip transfer reaction in nanotwinned copper
Authors: Zheng, YG
Lu, J
Zhang, HW
Chen, Z
Keywords: Ductility
Molecular dynamics simulations
Nanotwinned copper
Plastic deformation
Strength
Issue Date: 2009
Publisher: Pergamon Press
Source: Scripta materialia, 2009, v. 60, no. 7, p. 508-511 How to cite?
Journal: Scripta materialia 
Abstract: Molecular dynamics simulation of tensile deformation shows that the high strength of nanotwinned copper is initially the result of the twin boundary pinning effect on dislocation motion, and that interface-mediated slip transfer mechanisms operate in the later stages of deformation. These mechanisms include the complete transmission of screw dislocations across twin boundaries via Fleischer and Friedel-Escaig mechanisms, the incomplete transmission of non-screw dislocations and transmission-induced jog formation. These factors are effective at maintaining the material's high strength and good ductility.
URI: http://hdl.handle.net/10397/8020
ISSN: 1359-6462
EISSN: 1872-8456
DOI: 10.1016/j.scriptamat.2008.11.039
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