Atomic-level study of twin nucleation from face-centered-cubic/body- centered-cubic interfaces in nanolamellar composites

W. Z. Han; J. S. Carpenter; J. Wang; I. J. Beyerlein; N. A. Mara

doi:10.1063/1.3675447

Atomic-level study of twin nucleation from face-centered-cubic/body- centered-cubic interfaces in nanolamellar composites

W. Z. Han
, J. S. Carpenter
, J. Wang
, I. J. Beyerlein
, N. A. Mara

Computational Earth Science, Earth and Environmental Sciences Division, Los Alamos National Laboratory

Research output: Contribution to journal › Article › peer-review

83 Scopus citations

Abstract

We report deformation twinning in Cu within accumulative roll-bonded Cu-Nb nanolamellar composites. Twins appear connected to the Nb{112}//Cu{112} interface with the Kurdjumov-Sachs orientation relationship, which we show to be ordered and faceted. The interface adopts a different faceted structure after twinning. Our analysis suggests that deformation twinning involves facet dissociation and slip-transfer from the Nb layer to the Cu layer due to a geometrically favorable slip transmission pathway.

Original language	English
Article number	011911
Journal	Applied Physics Letters
Volume	100
Issue number	1
DOIs	https://doi.org/10.1063/1.3675447
State	Published - 2 Jan 2012
Externally published	Yes

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10.1063/1.3675447

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title = "Atomic-level study of twin nucleation from face-centered-cubic/body- centered-cubic interfaces in nanolamellar composites",

abstract = "We report deformation twinning in Cu within accumulative roll-bonded Cu-Nb nanolamellar composites. Twins appear connected to the Nb\{112\}//Cu\{112\} interface with the Kurdjumov-Sachs orientation relationship, which we show to be ordered and faceted. The interface adopts a different faceted structure after twinning. Our analysis suggests that deformation twinning involves facet dissociation and slip-transfer from the Nb layer to the Cu layer due to a geometrically favorable slip transmission pathway.",

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AU - Han, W. Z.

AU - Carpenter, J. S.

AU - Wang, J.

AU - Beyerlein, I. J.

AU - Mara, N. A.

PY - 2012/1/2

Y1 - 2012/1/2

N2 - We report deformation twinning in Cu within accumulative roll-bonded Cu-Nb nanolamellar composites. Twins appear connected to the Nb{112}//Cu{112} interface with the Kurdjumov-Sachs orientation relationship, which we show to be ordered and faceted. The interface adopts a different faceted structure after twinning. Our analysis suggests that deformation twinning involves facet dissociation and slip-transfer from the Nb layer to the Cu layer due to a geometrically favorable slip transmission pathway.

AB - We report deformation twinning in Cu within accumulative roll-bonded Cu-Nb nanolamellar composites. Twins appear connected to the Nb{112}//Cu{112} interface with the Kurdjumov-Sachs orientation relationship, which we show to be ordered and faceted. The interface adopts a different faceted structure after twinning. Our analysis suggests that deformation twinning involves facet dissociation and slip-transfer from the Nb layer to the Cu layer due to a geometrically favorable slip transmission pathway.

UR - https://www.scopus.com/pages/publications/84862956420

U2 - 10.1063/1.3675447

DO - 10.1063/1.3675447

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Atomic-level study of twin nucleation from face-centered-cubic/body- centered-cubic interfaces in nanolamellar composites

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