Method for manufacturing pitch-densified carbon-carbon composite brake discs from carbon fiber preforms, by the following sequential steps: (a) providing a carbon-carbon composite brake disc preform; (b) heat treating the preform; (c) subjecting the heat-treated preform to Chemical Vapor Deposition/Chemical...http://www.google.es/patents/US7938992?utm_source=gb-gplus-sharePatente US7938992 - CVI followed by coal tar pitch densification by VPI
CVI followed by coal tar pitch densification by VPI
