期刊
APPLIED PHYSICS LETTERS
卷 107, 期 1, 页码 -出版社
AMER INST PHYSICS
DOI: 10.1063/1.4926370
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资金
- Australian Microscopy & Microanalysis Research Facility node at the University of Sydney
- Faculty of Engineering and IT, University of Sydney
- University of Sydney
- Australian Research Council [DP120100510]
- European Research Council under ERC [267464-SPDMETALS]
- National Science Foundation of the United States [DMR-1104667]
We report an atomic-scale investigation of interface-facilitated deformation twinning behaviour in Ag-Cu nanolamellar composites. Profuse twinning activities in Ag supply partial dislocations to directly transmit across the Ag-Cu lamellar interface that promotes deformation twinning in the neighbouring Cu lamellae although the interface is severely deformed. The trans-interface twin bands change the local structure at the interface. Our analysis suggests that the orientation relationship and interfacial structure between neighbouring Ag-Cu lamellae play a crucial role in such special interface-facilitated twinning behaviour. (C) 2015 AIP Publishing LLC.
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