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An experiment on the process for producing vapor growth carbon fiber by thermal decomposition of benzene in an atmosphere of hydrogen as carrier gas was carried out using a vertical quartz tubular rea...ctor of 900mm in length and 15.5mm in inner diameter, the heating zone of which was 500mm long. The effects of the reactor temperature and the flow rates of benzene and hydrogen on the yield of carbon fiber were examined, and the produced carbon fiber were observed with SEM to evaluate its quality and radial growth speed. One dimensional numerical analysis was also carried out using the model of carbon formation proposed by Matsumoto et al. The numerical result, however, showed the different trend from the experimental one.show more
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KJ00004507702