Fatigue properties of nanoscale Cu/Nb multilayers

Fatigue properties of magnetron sputtered Cu/Nb composite laminates with 40 nm individual layer thickness were determined. Compared to bulk Cu, over an order of magnitude increase in the stress to failure was observed. The ratio of the fatigue endurance limit to the ultimate tensile strength was abo...

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Bibliographic Details
Published in:Scripta materialia 2006-05, Vol.54 (9), p.1593-1598
Main Authors: Wang, Y.-C., Misra, A., Hoagland, R.G.
Format: Article
Language:English
Subjects:
Applied sciences
COMPOSITES
Copper
Exact sciences and technology
Fatigue
Fatigue (materials)
FATIGUE PROPERTIES
INTERLAYERS
LAMINATES
Mechanical properties and methods of testing. Rheology. Fracture mechanics. Tribology
Metals. Metallurgy
MICROSTRUCTURES
Multilayer thin films
Multilayers
Nanocomposite
Nanocomposites
Nanomaterials
Nanostructure
Niobium
Resonant frequency
Sputtering deposition
TENSILE STRENGTH
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Summary:Fatigue properties of magnetron sputtered Cu/Nb composite laminates with 40 nm individual layer thickness were determined. Compared to bulk Cu, over an order of magnitude increase in the stress to failure was observed. The ratio of the fatigue endurance limit to the ultimate tensile strength was about 0.35.
ISSN:1359-6462
0956-716X
1872-8456
DOI:10.1016/j.scriptamat.2006.01.027