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  4. Scratching Cu|Au Nanolaminates
 
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2019
Journal Article
Title

Scratching Cu|Au Nanolaminates

Abstract
We used molecular dynamics simulations to study the scratching of Cu|Au nanolaminates of 5 nm layer thickness with a nanoscale indenter of 15 nm radius at normal forces between 0.5m N and 2m N. Our simulations show that Au layers wear quickly while Cu layers are more resistant to wear. Plowing was accompanied by the roughening of the Cu|Au heterointerface that lead to the folding of the nanolaminate structure at the edge of the wear track. Our explorative simulations hint at the complex deformation processes occurring in nanolaminates under tribological load.
Author(s)
Gola, A.
Pastewka, L.
Journal
Lubricants  
Open Access
DOI
10.3390/lubricants7050044
Additional full text version
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English
Fraunhofer-Institut für Werkstoffmechanik IWM  
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