Deformability of ultrahigh strength 5 nm Cu/Nb nanolayered composites

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

Research output: Contribution to journalArticlepeer-review

190 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 languageEnglish (US)
Article number231901
JournalApplied Physics Letters
Volume92
Issue number23
DOIs
StatePublished - Jun 20 2008

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