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The electrochemical erosion of a graphite cathode during the electrolysis of molten lithium chloride salt may be used for the preparation of nano-structured carbon materials. It has been found that the structures and morphologies of these carbon nanomaterials are dependent on those of the graphite cathodes employed. A combination of tubular and spherical carbon nanostructures has been produced from...
Microstructures of W-80vol%Cu composite before and after plastic deformation at room temperature were observed using a scanning electron microscope. First, effects of deformation on the size and shape of W-particle and pore were examined. Secondly, effects of deformation on the fractions of W-phase, Cu-phase and pore were examined. Lastly, localized deformation behavior in the composite was investigated...
Using sodium silicate as precursors and mixed surfactants of cetyltrimethylammonium bromide (CTAB) and cetyltrimethylammonium chloride (CTAC) as templates, rod-like mesoporous silica with hexagonal appearance were synthesized by controlling the pH value of solution during hydrolysis of ethylacetate. Results showed that at a molar ratio of 9:1 (CTAB to CTAC), regular rod-like shapes were obtained,...
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