Structure-property-functionality of bimetal interfaces

I. J. Beyerlein; N. A. Mara; J. Wang; J. S. Carpenter; S. J. Zheng; W. Z. Han; R. F. Zhang; K. Kang; T. Nizolek; T. M. Pollock

doi:10.1007/s11837-012-0431-0

Structure-property-functionality of bimetal interfaces

I. J. Beyerlein, N. A. Mara, J. Wang, J. S. Carpenter, S. J. Zheng, W. Z. Han, R. F. Zhang, K. Kang, T. Nizolek, T. M. Pollock

Research output: Journal Publications and Reviews › RGC 21 - Publication in refereed journal › peer-review

158 Citations (Scopus)

Abstract

Interfaces, such as grain boundaries, phase boundaries, and surfaces, are important in materials of any microstructural size scale, whether the microstructure is coarse-grained, ultrafine-grained, or nano-grained. In nanostructured materials, however, they dominate material response and as we have seen many times over, can lead to extraordinary and unusual properties that far exceed those of their coarse-grained counterparts. In this article, we focus on bimetal interfaces. To best elucidate interface structure-property- functionality relationships, we focus our studies on simple layered composites composed of an alternating stack of two metals with bimetal interfaces spaced less than 100 nm. We fabricate these nanocomposites by either a bottom-up method (physical vapor deposition) or a top-down method (accumulative roll bonding) to produce two distinct interface types. Atomic-scale differences in interface structure are shown to result in profound effects on bulk-scale properties. © 2012 TMS.

Original language	English
Pages (from-to)	1192-1207
Journal	JOM
Volume	64
Issue number	10
DOIs	https://doi.org/10.1007/s11837-012-0431-0
Publication status	Published - Oct 2012
Externally published	Yes

Bibliographical note

Publication details (e.g. title, author(s), publication statuses and dates) are captured on an “AS IS” and “AS AVAILABLE” basis at the time of record harvesting from the data source. Suggestions for further amendments or supplementary information can be sent to <a href="mailto:[email protected]">[email protected]</a>.

Funding

Modeling work by I.J.B., R.F.Z. and K.K. was supported by the Center for Materials at Irradiation and Mechanical Extremes, an Energy Frontier Research Center funded by the U.S. Department of Energy, Office of Science, Office of Basic Energy Sciences under Award Number 2008LANL1026. Modeling and experimental work by N.A.M., J.S.C., S.J.Z., W.Z.H., and J.W. was supported by a Los Alamos National Laboratory (LANL) Directed Research and Development (LDRD) project DR20110029. T.N. was supported by the Department of Defense (DoD) through the National Defense Science & Engineering Graduate Fellowship (NDSEG) Program. Nanomechanical testing for this work was performed at the Center for Integrated Nanotechnologies, a U.S. Department of Energy, Office of Basic Energy Sciences user facility. Los Alamos National Laboratory, an affirmative action equal opportunity employer, is operated by Los Alamos National Security, LLC, for the National Nuclear Security Administration of the U.S. Department of Energy under contract DE-AC52-06NA25396.

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title = "Structure-property-functionality of bimetal interfaces",

abstract = "Interfaces, such as grain boundaries, phase boundaries, and surfaces, are important in materials of any microstructural size scale, whether the microstructure is coarse-grained, ultrafine-grained, or nano-grained. In nanostructured materials, however, they dominate material response and as we have seen many times over, can lead to extraordinary and unusual properties that far exceed those of their coarse-grained counterparts. In this article, we focus on bimetal interfaces. To best elucidate interface structure-property- functionality relationships, we focus our studies on simple layered composites composed of an alternating stack of two metals with bimetal interfaces spaced less than 100 nm. We fabricate these nanocomposites by either a bottom-up method (physical vapor deposition) or a top-down method (accumulative roll bonding) to produce two distinct interface types. Atomic-scale differences in interface structure are shown to result in profound effects on bulk-scale properties. {\textcopyright} 2012 TMS.",

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AU - Mara, N. A.

AU - Wang, J.

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AU - Han, W. Z.

AU - Zhang, R. F.

AU - Kang, K.

AU - Nizolek, T.

AU - Pollock, T. M.

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N2 - Interfaces, such as grain boundaries, phase boundaries, and surfaces, are important in materials of any microstructural size scale, whether the microstructure is coarse-grained, ultrafine-grained, or nano-grained. In nanostructured materials, however, they dominate material response and as we have seen many times over, can lead to extraordinary and unusual properties that far exceed those of their coarse-grained counterparts. In this article, we focus on bimetal interfaces. To best elucidate interface structure-property- functionality relationships, we focus our studies on simple layered composites composed of an alternating stack of two metals with bimetal interfaces spaced less than 100 nm. We fabricate these nanocomposites by either a bottom-up method (physical vapor deposition) or a top-down method (accumulative roll bonding) to produce two distinct interface types. Atomic-scale differences in interface structure are shown to result in profound effects on bulk-scale properties. © 2012 TMS.

AB - Interfaces, such as grain boundaries, phase boundaries, and surfaces, are important in materials of any microstructural size scale, whether the microstructure is coarse-grained, ultrafine-grained, or nano-grained. In nanostructured materials, however, they dominate material response and as we have seen many times over, can lead to extraordinary and unusual properties that far exceed those of their coarse-grained counterparts. In this article, we focus on bimetal interfaces. To best elucidate interface structure-property- functionality relationships, we focus our studies on simple layered composites composed of an alternating stack of two metals with bimetal interfaces spaced less than 100 nm. We fabricate these nanocomposites by either a bottom-up method (physical vapor deposition) or a top-down method (accumulative roll bonding) to produce two distinct interface types. Atomic-scale differences in interface structure are shown to result in profound effects on bulk-scale properties. © 2012 TMS.

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Structure-property-functionality of bimetal interfaces

Abstract

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