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Carbon fiber preform densification by pitch infiltration followed by resin transfer molding
Carbon fiber preform densification by pitch infiltration followed by resin transfer molding
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机译:碳纤维预成型件通过沥青渗透致密化,然后进行树脂传递模塑
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摘要
Method of manufacturing dense carbon-carbon composite material by: infiltrating a fibrous preform with pitch to form pitch-infiltrated preform; carbonizing the pitch-infiltrated preform; injecting resin or pitch into the preform in a mold; oxygen stabilizing the filled preform and carbonizing and heat-treating the oxygen-stabilized impregnated preform; and subjecting the preform to a single final cycle of chemical vapor deposition. This process reduces densification time as compared to comparable conventional carbon-carbon composite manufacturing procedures.
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