Deformability of ultrahigh strength 5 nm Cu/Nb nanolayered composites

N. A. Mara; D. Bhattacharyya; P. Dickerson; R. G. Hoagland; A. Misra

doi:10.1063/1.2938921

Deformability of ultrahigh strength 5 nm Cu/Nb nanolayered composites

N. A. Mara, D. Bhattacharyya, P. Dickerson, R. G. Hoagland, A. Misra

Chemical Engineering and Materials Science

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

235 Scopus citations

Abstract

In this work, micropillar compression testing has been used to obtain stress-strain curves for sputter-deposited Cu-Nb nanolaminate composites with nominal bilayer thickness of 10 nm. In addition to the extremely high flow strength of 2.4 GPa, the 5 nm Cu/5 nm Nb nanolaminate exhibits significant ductility, in excess of 25% true strain.

Original language	English (US)
Article number	231901
Journal	Applied Physics Letters
Volume	92
Issue number	23
DOIs	https://doi.org/10.1063/1.2938921
State	Published - 2008

Bibliographical note

Funding Information:
The authors gratefully acknowledge fruitful discussions with Professor John P. Hirth, Michael D. Uchic, Michael J. Demkowicz, and J. Greg Swadener. This research is supported by the Department of Energy, Office of Science, Office of Basic Energy Sciences.

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title = "Deformability of ultrahigh strength 5 nm Cu/Nb nanolayered composites",

abstract = "In this work, micropillar compression testing has been used to obtain stress-strain curves for sputter-deposited Cu-Nb nanolaminate composites with nominal bilayer thickness of 10 nm. In addition to the extremely high flow strength of 2.4 GPa, the 5 nm Cu/5 nm Nb nanolaminate exhibits significant ductility, in excess of 25% true strain.",

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AU - Dickerson, P.

AU - Hoagland, R. G.

AU - Misra, A.

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PY - 2008

Y1 - 2008

N2 - In this work, micropillar compression testing has been used to obtain stress-strain curves for sputter-deposited Cu-Nb nanolaminate composites with nominal bilayer thickness of 10 nm. In addition to the extremely high flow strength of 2.4 GPa, the 5 nm Cu/5 nm Nb nanolaminate exhibits significant ductility, in excess of 25% true strain.

AB - In this work, micropillar compression testing has been used to obtain stress-strain curves for sputter-deposited Cu-Nb nanolaminate composites with nominal bilayer thickness of 10 nm. In addition to the extremely high flow strength of 2.4 GPa, the 5 nm Cu/5 nm Nb nanolaminate exhibits significant ductility, in excess of 25% true strain.

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Deformability of ultrahigh strength 5 nm Cu/Nb nanolayered composites

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