Large strain deformation of bimodal layer thickness Cu/Nb nanolamellar composites

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dc.contributor.authorWynn, TAen_AU
dc.contributor.authorBhattacharyya, Den_AU
dc.contributor.authorHammon, DLen_AU
dc.contributor.authorMisra, Aen_AU
dc.contributor.authorMara, NAen_AU
dc.date.accessioned2015-11-01T02:29:49Zen_AU
dc.date.available2015-11-01T02:29:49Zen_AU
dc.date.issued2013-03-01en_AU
dc.date.statistics2015-10-28en_AU
dc.description.abstractNanolayered composites have garnered much attention due to their ability to withstand deformation to large strains, shock deformation, and irradiation induced microstructural damage. These behaviors have been attributed to high densities of bimetal interfacial content. Although they exhibit yield strengths approaching theoretical limits, multilayered materials with layer thicknesses less than 10 nm have shown limited ductility in rolling. In this study, bimodal 4 nm/40 nm Cu/Nb multilayers are rolled to 30% thickness reduction without the onset of shear instability. The stacking order used allows focus to be drawn specifically to the ductility by the boundary crossing mechanism exhibited in multilayered materials with layer thicknesses below 10 nm. Through the geometric constraint offered by alternating 4 nm and 40 nm layer thickness modes, the onset of localized shear is avoided and the 4 nm layers can be rolled to large strains. © 2015, Elsevier B.V.en_AU
dc.identifier.citationWynn, T. A., Bhattacharyya, D., Hammon, D. L., Misra, A., & Mara, N. A. (2013). Large strain deformation of bimodal layer thickness Cu/Nb nanolamellar composites. Materials Science and Engineering: A, 564, 213-217. doi:10.1016/j.msea.2012.11.114en_AU
dc.identifier.govdoc6228en_AU
dc.identifier.issn0921-5093en_AU
dc.identifier.journaltitleMaterials Science and Engineering: Aen_AU
dc.identifier.pagination213-217en_AU
dc.identifier.urihttp://dx.doi.org/10.1016/j.msea.2012.11.114en_AU
dc.identifier.urihttp://apo.ansto.gov.au/dspace/handle/10238/6380en_AU
dc.identifier.volume564en_AU
dc.language.isoenen_AU
dc.publisherElsevieren_AU
dc.subjectElectron microscopyen_AU
dc.subjectInterfacesen_AU
dc.subjectDeformationen_AU
dc.subjectThicknessen_AU
dc.subjectStainless steelsen_AU
dc.subjectBimetalsen_AU
dc.titleLarge strain deformation of bimodal layer thickness Cu/Nb nanolamellar compositesen_AU
dc.typeJournal Articleen_AU
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