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Deformation and fatigue resistance of Al/a-Si core-shell nanostructures subjected to cyclic nanoindentation

Jason G. Steck,Robert A. Fleming,Josue A. Goss,Min Zou

Applied Surface Science（2018）

Cited 13|Views1
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Abstract
•The fatigue properties of Al/a-Si core-shell nanostructures were studied.•Changes in contact stiffness are used as indicators of damage formation.•Al nanodots and Al/a-Si layered thin films fail due to cyclic nanoindentation.•Hardening occurs due to dislocation nucleation in Al and a-Si densification.•Al/a-Si core-shell nanostructures exhibit prolonged fatigue life.
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Key words
Core-shell nanostructure,Nanoindentation,Fatigue,Dynamic mechanical analysis,Continuous stiffness measurement
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