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Effect of Surface Stress on the Deformation of an Elastic Half-Plane Containing a Nano-Cylindrical Hole Under a Surface Loading

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Considering the importance of surface stress in controlling mechanical response of nanoscale structures, the effect of surface stresses on the elastic field around a nano-cylindrical hole in an elastic half-plane was analyzed. An analytical solution of the size-dependent stress field around the nanocylindrical hole was obtained when the surface of the elastic half-plane was subjected to a surface loading. The results revealed strong size-dependence of the stress field and the surface deformation on the surface stress. The surface displacement directly above the cylindrical hole was a function of the surface stress, and shallow sink-in of the surface occurred for negative surface stress.


Document Type: Research Article

Publication date: February 1, 2011

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  • Journal of Computational and Theoretical Nanoscience is an international peer-reviewed journal with a wide-ranging coverage, consolidates research activities in all aspects of computational and theoretical nanoscience into a single reference source. This journal offers scientists and engineers peer-reviewed research papers in all aspects of computational and theoretical nanoscience and nanotechnology in chemistry, physics, materials science, engineering and biology to publish original full papers and timely state-of-the-art reviews and short communications encompassing the fundamental and applied research.
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