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2D carbon allotropes under confinement Matthew Becton, University of Georgia, United States |
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Assessing MWCNT-graphene surface energy through in situ SEM peeling Michael R. Roenbeck, Northwestern University, United States |
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Deformation mechanisms in bulk nanostructured metals and strategies to improve their ductility Enrique Lavernia, University of California, Davis, United States |
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Effects of solutes on migration of incoherent twin boundary in FCC metals Mikhail Mendelev, Ames Laboratory US DOE, United States |
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Fracture of 2D crystalline nanomaterials: effect of hydrogen functionalization and complex loading Dibakar Datta, Brown University |
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Dibakar Datta, Brown University, United States |
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Gradient-based constitutive model to predict size effect in the response of SMA thin films James Boyd, Texas A&M University, United States |
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Abigail Hunter, Los Alamos National Laboratory, United States |
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Investigation of indentation size effects in elastomers Gurudutt Chandrashekar, University of Wyoming, United States |
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Molecular dynamics simulation of multiphysics Jiaoyan Li, The George Washington University, United States |
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Nanomechanical characterization of carbon nanotube-polymer interfacial strength Xiaoming Chen, State University of New York at Binghamton, United States |
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Nanoscale mechanics of focused ion beam processing Kallol Das, University of Illinois at Urbana-Champaign, United States |
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Objectivity in molecular dynamics Zidong Yang, The George Washington University, United States |
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Strain mediated nanoscale transport in nanostructured carbon materials Md Hossain, California Institute of Technology |
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The size and rate dependence of the large deformation response of polystyrene nanofibers Pavan Kolluru, University of Illinois, Urbana-Champaign, United States |
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A survey of the scientific literature on mechanics of materials reveals significant research efforts carried out in the past decade or so on mechanical properties of nanoscale materials. In this context, nanoscale refers to materials with at least one length scale less than ~500 nm, such as metallic nanowires and carbon nanotubes. These studies generally point to significant size-effects in mechanical properties, such as the enhancement of strength of nanowires with a reduction in diameter. These trends are generally explained in terms of classical size-effects, which could be simply put as “less material will have less critical defects”, or surface effects, such as the effect of surface tension on mechanical properties in nanoscale or the effect of surface tension on reorganizing atoms towards an energetically more favorably configuration. This symposium is interested in the development of deeper insight into mechanical size-effects in nanoscale materials, computational work on mechanical size-effect, and the identification of relationships between size-effect in mechanical properties of materials and the microstructure of the material. In this context, mechanical properties will entail not only properties of structural materials, such as strength and toughness, but also mechanics of active materials, such as the recovery stress of actuators. The materials of interest include, but are not limited to, carbon-based nanomaterials, such as carbon nanotubes and nanofibers, metallic nanowires and thin film actuators, and polymeric nanofibers. This symposium will emphasize sharing new understandings on the lessons that can be learned from nanoscale materials to make mechanically superior materials and actuators.