Evidence of a two--dimensional grain sliding regime in the plastic deformation of micron and sub--micron films

Details Evidence of a two--dimensional grain sliding regime in the plastic deformation of micron and sub--micron films Evidence of a two--dimensional grain sliding regime in the plastic deformation of micron and sub--micron films

2012-03-07

arxiv.org/abs/1203.1549v1

Physics

Condensed Matter

Materials Science

Mechanical properties of nanomaterials, 5 pages, 7 figures

Scientific paper

Copper and aluminium sub-micron films are structured as columnar arrays of grains traversing the entire film, and hence are virtual two-dimensional polycrystalline solids. A closed-form solution for the two-dimensional plastic flow is obtained assuming that grain boundary sliding is the dominating mechanism for deformation. The theoretical results obtained here are in close agreement with experimental data appeared in the literature, which suggests further work on the subject.

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