Discrete dislocation analysis of size effects in thin films
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A discrete dislocation plasticity analysis of plastic deformation in metal thin films was investigated. A two-dimensional plane-strain formulation with only edge dislocations was used in the calculation. The analysis showed that a hard boundary layer forms at the interface between the film and the substrate, which does not scale with the film thickness giving rise to a size effect.
author list (cited authors)
Nicola, L., Van der Giessen, E., & Needleman, A.