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Shock response of Cu/graphene nanolayered composites is investigated with molecular dynamics simulations, including deformation and spall damage of Cu, and delamination of the nanolaminates, as well as wrinkling, fracture and perforation of graphene, for parallel and normal shock loading. The Cu (111)/graphene interface is the source of dislocations in Cu and barrier to their propagation, and nucleation...
Atomistic simulations were performed to investigate the deformation behavior of single-walled carbon nano-tubes (SWCNTs) under torsional loading. The evolutions of the potential energy and stresses were presented. Radial distribution functions (RDFs) were calculated to analyze structural evolution during torsional deformation. The results show that during torsion, the tensile stress component along...
Surface roughness, porosity and contact angles of different carbon paper materials (TORAY paper with PTFE from 0% to 60% of and SGL paper with 0% and 20% of PTFE) suitable as electrodes in microbial fuel cells were investigated. The changes of contact angle between dry and clean anode surfaces and the ones after exposure to wastewater were measured using different liquids (pure water and sodium acetate...
The influence of low cost, commercially oxidized carbon nanofibers (ox-CNFs) on the morphological, thermal, mechanical and electrical properties of polycarbonate (PC) composites was examined. Using a simple solution mixing process leads to good dispersion and high packing density of CNFs in the resultant composites. The composite materials exhibit a dramatic improvement in the DC conductivity; for...
The natural resonance appears at 16GHz for (Fe, Ni)/C nanocapsules with (Fe, Ni) alloys as cores and graphite as shells. Reflection loss (RL) exceeding −10dB was obtained in the whole Ku-band (12.4–18GHz) for an absorber thickness of 2.0mm, while it exceeds −20dB over the 13.6–16.6GHz range. In addition, the bandwidth does not change dramatically for the thicknesses of 1.87–2.1mm for the RL values...
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