Abstract
Mesocarbon microbeads were molded at 100 MPa pressure, and then heat-treated. In order to seek optimum seal effect, the graphite from MCMBs were impregnated with pitch and resins, and then carbonizated at 500 °C The resulting graphite from MCMBs/pitch-based carbon/phenolic-based carbon composites were evaluated in terms of physical properties, textures and the seal properties to determine their potential of using this material in liquid rocket motor. Results indicated that the bending strength of the composites were elevated and the leakage of 60 Pa/min was obtained after treated by cycles of impregnation/carbonization with pitch and phenolic resins.
Published Version
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