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Atomic-scale investigation of interface-facilitated deformation twinning in severely deformed Ag-Cu nanolamellar composites

Atomic-scale investigation of interface-facilitated deformation twinning in severely deformed Ag-Cu nanolamellar composites
Atomic-scale investigation of interface-facilitated deformation twinning in severely deformed Ag-Cu nanolamellar composites
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.
0003-6951
11901
An, X. H.
e99e82b5-2505-4fee-acc6-b3c0a9930bb2
Zhu, S. M.
c0f74b46-eb4f-4081-8d9c-9a646e8533e0
Cao, Y.
2a06c7de-86c5-4804-ab45-20266cbea4cf
Kawasaki, M.
d0ce18b9-8403-4db2-9cb2-3a6165f288a6
Liao, X. Z.
8059e424-5c43-44fa-b381-e51d040622fe
Ringer, S. P.
efde4593-1f69-4845-88da-a0997de34cb0
Nie, J. F.
c4dc6a93-14fa-4a52-aa35-8ba7bf17c8f7
Langdon, T. G.
86e69b4f-e16d-4830-bf8a-5a9c11f0de86
Zhu, Y. T.
45a29583-b6ba-4884-9349-bff9e7c16f80
An, X. H.
e99e82b5-2505-4fee-acc6-b3c0a9930bb2
Zhu, S. M.
c0f74b46-eb4f-4081-8d9c-9a646e8533e0
Cao, Y.
2a06c7de-86c5-4804-ab45-20266cbea4cf
Kawasaki, M.
d0ce18b9-8403-4db2-9cb2-3a6165f288a6
Liao, X. Z.
8059e424-5c43-44fa-b381-e51d040622fe
Ringer, S. P.
efde4593-1f69-4845-88da-a0997de34cb0
Nie, J. F.
c4dc6a93-14fa-4a52-aa35-8ba7bf17c8f7
Langdon, T. G.
86e69b4f-e16d-4830-bf8a-5a9c11f0de86
Zhu, Y. T.
45a29583-b6ba-4884-9349-bff9e7c16f80

An, X. H., Zhu, S. M., Cao, Y., Kawasaki, M., Liao, X. Z., Ringer, S. P., Nie, J. F., Langdon, T. G. and Zhu, Y. T. (2015) Atomic-scale investigation of interface-facilitated deformation twinning in severely deformed Ag-Cu nanolamellar composites. Applied Physics Letters, 107 (1), 11901. (doi:10.1063/1.4926370).

Record type: Article

Abstract

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.

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Published date: 2015
Organisations: Engineering Mats & Surface Engineerg Gp

Identifiers

Local EPrints ID: 382397
URI: https://eprints.soton.ac.uk/id/eprint/382397
ISSN: 0003-6951
PURE UUID: 53ba27c9-34b5-4057-88ba-8bf1a74dffbd
ORCID for T. G. Langdon: ORCID iD orcid.org/0000-0003-3541-9250

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Date deposited: 27 Oct 2015 10:25
Last modified: 20 Jul 2019 01:03

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Contributors

Author: X. H. An
Author: S. M. Zhu
Author: Y. Cao
Author: M. Kawasaki
Author: X. Z. Liao
Author: S. P. Ringer
Author: J. F. Nie
Author: T. G. Langdon ORCID iD
Author: Y. T. Zhu

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