Intrinsic size effect of CuTa/Cu nanolaminates with unequal modulation ratios. (15th March 2017)

• Record Type: Journal Article
• Authors: Gu, C; Huang, P; Liu, M B; Xu, K W; Wang, F; Lu, T J
• Is Part Of: Scripta materialia. Number 130(2017)
• Page Start: 100
• Page End: 104
• Publication Date: 2017-03-15
• Subjects: Amorphous -- Interface -- Shear band -- Nanoindentation -- Size effect; Materials -- Periodicals; Metallurgy -- Periodicals; Metalen; Legeringen; Materiaalkunde; Metals, metalworking and machinery industries; Metals; Electronic journals; 620.11
• DOI: 10.1016/j.scriptamat.2016.11.026
• Languages: English
• ISSNs: 1359-6462

Abstract

Abstract: In order to study the intrinsic size effect of nanolaminates with unequal modulation ratios, CuTa/Cu nanolaminates with identical Cu layer volume fraction but different Cu layer thicknesses were prepared by varying the number of Cu layers. The hardness and indentation morphology of each CuTa/Cu nanolaminate was characterized by means of nanoindentation and scanning electron microscope. Furthermore, the microstructures of CuTa/Cu nanolaminates with different interfacial configurations were examined under high resolution transmission electron microscopy. The deformation of CuTa/Cu nanolaminates was found to be dominated by the thickness ratio between CuTa and Cu layers as well as the interfacial microstructure. Graphical abstract: