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March 2009

March 2009 Image Atomistic Simulations of Mechanics of Nanostructures
Volume 34, No. 3
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Guest Editors: Hanchen Huang and Helena Van Swygenhoven

Nanostructures can be in the form of nanoparticles or nanograins, nanowires or nanotubes, and nanoplates or multilayers. Their small dimensions minimize or even eliminate the presence of defects, leading to materials stronger than their bulk counterparts and eventual realization of ideal strength. Nanostructures also contain large surface or interface areas, which may either reduce or increase the strength. Atomistic simulations can provide insight into the deformation mechanism at the atomic and electronic level, something that is very difficult to obtain from experiments. This issue addresses what can be gained through simulations of zero-, one-, and two-dimensional nanostructures to understand the interesting mechanical properties of a range of nanostructures. In this issue, these simulation techniques are applied to ultra strengths of nanostructures, the strengthening role of nanoparticles, elastic and plastic responses of nanowires, plastic deformation of nanoscale multilayers and nanograins, and advancements in mechanics-driven synthesis of nanostructures.

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