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Silicon containing vapor grown carbon fibers have been rapidly produced from a mixture of benzene and phenyl silane, using the liquid pulse injection technique. Fibers with lengths up to 20 mm were obtained within 1 min at a carbon yield of 0.23. The inclusion of silicon led to the improvement in the oxidation resistivity of the fibers. Moreover, the obtained fibers possessed tensile strengths and...
Multiwalled carbon nanotubes have been produced from H 2 -C 2 H 4 mixtures on Fe-SiO 2 catalysts by a fluidized bed catalytic chemical vapor deposition process. Various parameters such as the catalyst preparation, the residence time, the run duration, the temperature, the H 2 :C 2 H 4 ratio, the amount of metal deposited on the support have been...
The chemical vapor deposition of the pyrocarbon from a CH 4 +H 2 mixture is investigated using nanofilamentous substrates. The process consists of growing carbon nanotubes via a catalytic process, which then are thickened by pyrolytic carbon deposition to reach diameters in the nanometer to micrometer range. A key characteristic of the experimental reactor used was the long length...
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